{"id":65352,"date":"2026-01-24T21:24:20","date_gmt":"2026-01-24T13:24:20","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/65352.html"},"modified":"2026-01-24T21:24:20","modified_gmt":"2026-01-24T13:24:20","slug":"cortex-m3%e9%87%8d%e5%90%af%e6%b5%81%e7%a8%8b-%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/65352.html","title":{"rendered":"Cortex-M3\u91cd\u542f\u6d41\u7a0b\u2014\u2014\u7b14\u8bb0"},"content":{"rendered":"<p>\u4e2a\u4eba\u5b66\u4e60\u7684\u7b14\u8bb0&#xff0c;\u5e0c\u671b\u5e2e\u52a9\u7684\u548c\u6211\u4e00\u6837\u9605\u8bfbCortex-M3\u6743\u5a01\u6307\u5357Cn\u9047\u5230\u56f0\u96be\u7684\u4eba\u3002 Cortex-M3\u91cd\u542f\u6d41\u7a0b\u2014\u2014\u7b14\u8bb0<\/p>\n<hr \/>\n<hr \/>\n<h2>\u5728cortex m3 \u4e2d&#xff0c;\u542f\u52a8\u4e0e\u91cd\u6620<\/h2>\n<p>\u5728Cortex-M3\u4e2d&#xff0c;\u542f\u52a8\u4e0e\u91cd\u6620\u5c04\u662f\u4e00\u5957\u7d27\u5bc6\u914d\u5408\u7684\u673a\u5236&#xff0c;\u5b83\u51b3\u5b9a\u4e86\u5904\u7406\u5668\u4e0a\u7535\u590d\u4f4d\u540e\u7b2c\u4e00\u6761\u6307\u4ee4\u4ece\u54ea\u91cc\u83b7\u53d6&#xff0c;\u4ee5\u53ca\u7cfb\u7edf\u5982\u4f55\u770b\u5f85\u5185\u5b58\u7684\u5e03\u5c40\u3002<\/p>\n<p>\u7b2c\u4e00\u90e8\u5206&#xff1a;\u542f\u52a8 \u9996\u5148Cortex-M3\u5185\u6838\u5b9a\u4e49\u4e86\u4e00\u4e2a\u56fa\u5b9a\u7684\u786c\u4ef6\u542f\u52a8\u6d41\u7a0b&#xff0c;\u6240\u6709\u57fa\u4e8e\u8be5\u5185\u6838\u7684\u82af\u7247\u90fd\u5fc5\u987b\u9075\u5b88\u3002 \u6838\u5fc3\u542f\u52a8\u6d41\u7a0b\u5904\u7406\u5668\u91ca\u653e\u590d\u4f4d\u540e&#xff0c;\u786c\u4ef6\u81ea\u52a8\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c&#xff0c;\u65e0\u9700\u4efb\u4f55\u8f6f\u4ef6\u6307\u4ee4&#xff1a;<\/p>\n<li>\u8bfb\u53d6\u521d\u59cb\u4e3b\u5806\u6808\u6307\u9488&#xff08;MSP&#xff09;&#xff1a;\n<ul>\n<li>\u4ece\u5730\u5740 0x0000 0000 \u8bfb\u53d6\u7b2c\u4e00\u4e2a32\u4f4d\u503c\u3002<\/li>\n<li>\u5c06\u8fd9\u4e2a\u503c\u52a0\u8f7d\u5230 \u4e3b\u5806\u6808\u6307\u9488&#xff08;MSP&#xff0c;R13&#xff09; \u5bc4\u5b58\u5668\u4e2d\u3002\u8fd9\u662f\u7cfb\u7edf\u5728\u7279\u6743\u6a21\u5f0f\u4e0b\u4f7f\u7528\u7684\u5806\u6808&#xff0c;\u4e3a\u5373\u5c06\u5f00\u59cb\u7684C\u4ee3\u7801\u548c\u5f02\u5e38\u5904\u7406\u63d0\u4f9b\u6808\u7a7a\u95f4\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u8bfb\u53d6\u590d\u4f4d\u5411\u91cf&#xff1a;\n<ul>\n<li>\u4ece\u5730\u5740 0x0000 0004 \u8bfb\u53d6\u7b2c\u4e8c\u4e2a32\u4f4d\u503c\u3002<\/li>\n<li>\u8fd9\u4e2a\u503c\u5c31\u662f\u590d\u4f4d\u5411\u91cf&#xff0c;\u5373 Reset_Handler \u51fd\u6570\u7684\u5165\u53e3\u5730\u5740\u3002<\/li>\n<li>\u786c\u4ef6\u5c06\u8fd9\u4e2a\u5730\u5740\u52a0\u8f7d\u5230\u7a0b\u5e8f\u8ba1\u6570\u5668&#xff08;PC&#xff0c;R15&#xff09; \u5bc4\u5b58\u5668\u4e2d\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5f00\u59cb\u6267\u884c&#xff1a;\n<ul>\n<li>\u5904\u7406\u5668\u8df3\u8f6c\u5230PC\u6307\u5411\u7684\u5730\u5740&#xff0c;\u6b63\u5f0f\u5f00\u59cb\u6267\u884c Reset_Handler \u51fd\u6570\u5185\u7684\u4ee3\u7801\u3002 \u8fd9\u4e2a\u4f4d\u4e8e 0x00000000 \u7684\u6570\u636e\u7ed3\u6784\u88ab\u79f0\u4e3a \u201c\u5411\u91cf\u8868\u201d \u3002\u5b83\u4e0d\u4ec5\u4ec5\u5305\u542bMSP\u548c\u590d\u4f4d\u5411\u91cf&#xff0c;\u540e\u7eed\u5730\u5740\u8fd8\u4f9d\u6b21\u6392\u5217\u7740\u6240\u6709\u5f02\u5e38&#xff08;\u5982NMI\u3001\u786c\u9519\u8bef&#xff09;\u548c\u4e2d\u65ad&#xff08;IRQ&#xff09;\u7684\u5904\u7406\u51fd\u6570\u5165\u53e3\u5730\u5740\u3002 \u5173\u952e\u6982\u5ff5&#xff1a;\u5411\u91cf\u8868 \u5411\u91cf\u8868\u662f\u8fde\u63a5\u786c\u4ef6\u5f02\u5e38\u4e0e\u8f6f\u4ef6\u5904\u7406\u7a0b\u5e8f\u7684\u6865\u6881\u3002\u5176\u524d\u51e0\u4e2a\u6761\u76ee\u662f\u56fa\u5b9a\u7684&#xff1a;<\/li>\n<\/ul>\n<\/li>\n<table>\n<tr>\u5730\u5740\u5185\u5bb9\u5907\u6ce8<\/tr>\n<tbody>\n<tr>\n<td>0x0000 0000<\/td>\n<td>\u521d\u59cbMSP\u503c<\/td>\n<td>\u4e3b\u5806\u6808\u7684\u8d77\u59cb\u5730\u5740<\/td>\n<\/tr>\n<tr>\n<td>0x0000 0004<\/td>\n<td>\u590d\u4f4d\u5411\u91cf<\/td>\n<td>Reset_Handler \u7684\u5730\u5740<\/td>\n<\/tr>\n<tr>\n<td>0x0000 0008<\/td>\n<td>NMI\u5904\u7406\u51fd\u6570\u5730\u5740<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>0x0000 000C<\/td>\n<td>\u786c\u9519\u8bef\u5904\u7406\u51fd\u6570\u5730\u5740<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>0x0000 0010<\/td>\n<td>\u5185\u5b58\u7ba1\u7406\u9519\u8bef\u5904\u7406\u51fd\u6570\u5730\u5740<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u2026<\/td>\n<td>\u2026<\/td>\n<td>\u540e\u7eed\u4e3a\u5176\u4ed6\u5f02\u5e38\u548c\u4e2d\u65ad\u5411\u91cf<\/td>\n<\/tr>\n<tr>\n<td>\u8fd9\u4e00\u5207\u7684\u524d\u63d0\u662f&#xff1a;\u786c\u4ef6\u4ece 0x00000000 \u5f00\u59cb\u53d6\u6570\u636e\u3002\u90a3\u4e48&#xff0c;\u8fd9\u4e2a\u5730\u5740\u5230\u5e95\u5bf9\u5e94\u82af\u7247\u91cc\u7684\u54ea\u5757\u7269\u7406\u5b58\u50a8\u5668\u5462&#xff1f;\u8fd9\u5c31\u662f\u91cd\u6620\u5c04\u8981\u89e3\u51b3\u7684\u95ee\u9898\u3002<\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7b2c\u4e8c\u90e8\u5206&#xff1a;\u91cd\u6620\u5c04 \u91cd\u6620\u5c04\u662f\u6307\u5728\u4e0d\u6539\u53d8CPU\u6307\u4ee4\u7684\u60c5\u51b5\u4e0b&#xff0c;\u901a\u8fc7\u786c\u4ef6\u914d\u7f6e&#xff0c;\u5c06CPU\u5bf9\u67d0\u6bb5\u903b\u8f91\u5730\u5740\u7684\u8bbf\u95ee&#xff0c;\u5b9a\u5411\u5230\u4e0d\u540c\u7684\u7269\u7406\u5b58\u50a8\u5668\u4e0a\u3002\u5bf9\u4e8e\u542f\u52a8\u6765\u8bf4&#xff0c;\u6700\u5173\u952e\u7684\u5c31\u662f\u91cd\u6620\u5c04 0x00000000 \u5f00\u59cb\u7684\u8fd9\u5757\u5730\u5740\u3002 \u5728Cortex-M3\u4e2d&#xff0c;\u91cd\u6620\u5c04\u4e3b\u8981\u901a\u8fc7\u4e24\u79cd\u65b9\u5f0f\u5b9e\u73b0&#xff0c;\u5b83\u4eec\u4f5c\u7528\u5728\u4e0d\u540c\u7684\u5c42\u7ea7\u3002 \u4e00&#xff1a;\u82af\u7247\u7ea7\u9759\u6001\u91cd\u6620\u5c04&#xff08;\u901a\u8fc7BOOT\u5f15\u811a&#xff09; \u8fd9\u662f\u7531\u82af\u7247\u5236\u9020\u5546&#xff08;\u5982ST\u3001NXP&#xff09;\u5b9e\u73b0\u7684\u786c\u4ef6\u7279\u6027\u3002\u4ee5STM32F1\u7cfb\u5217\u4e3a\u4f8b&#xff0c;\u5b83\u901a\u8fc7BOOT0\u548cBOOT1\u5f15\u811a\u7684\u7535\u5e73&#xff0c;\u5728\u590d\u4f4d\u65f6\u9009\u62e9\u5c06\u54ea\u4e00\u5757\u7269\u7406\u5b58\u50a8\u5668\u6620\u5c04\u52300x00000000\u8fd9\u4e2a\u903b\u8f91\u8d77\u59cb\u5730\u5740\u3002<\/p>\n<p><span class=\"token comment\">\/\/ \u793a\u4f8b&#xff1a;STM32F103\u7684\u542f\u52a8\u6a21\u5f0f\u9009\u62e9<\/span><br \/>\n<span class=\"token comment\">\/\/ BOOT1&#061;0, BOOT0&#061;0: \u4ece\u4e3bFlash\u542f\u52a8 (\u7528\u6237\u7a0b\u5e8f)<\/span><br \/>\n<span class=\"token comment\">\/\/     -&gt; \u7269\u7406Flash (0x08000000) \u88ab\u6620\u5c04\u5230 0x00000000<\/span><br \/>\n<span class=\"token comment\">\/\/     \u786c\u4ef6\u8bbf\u95ee0x00000000&#xff0c;\u5b9e\u9645\u8bfb\u53d6\u7684\u662f0x08000000\u7684\u5185\u5bb9\u3002<\/span><\/p>\n<p><span class=\"token comment\">\/\/ BOOT1&#061;0, BOOT0&#061;1: \u4ece\u7cfb\u7edf\u5b58\u50a8\u5668\u542f\u52a8 (\u5185\u7f6eBootloader)<\/span><br \/>\n<span class=\"token comment\">\/\/     -&gt; \u7cfb\u7edfBootloader ROM (0x1FFF0000) \u88ab\u6620\u5c04\u5230 0x00000000<\/span><br \/>\n<span class=\"token comment\">\/\/     \u7528\u4e8e\u901a\u8fc7\u4e32\u53e3\/USB\u4e0b\u8f7d\u7a0b\u5e8f\u3002<\/span><\/p>\n<p><span class=\"token comment\">\/\/ BOOT1&#061;1, BOOT0&#061;1: \u4ece\u5185\u7f6eSRAM\u542f\u52a8<\/span><br \/>\n<span class=\"token comment\">\/\/     -&gt; SRAM (0x20000000) \u88ab\u6620\u5c04\u5230 0x00000000<\/span><br \/>\n<span class=\"token comment\">\/\/     \u7528\u4e8e\u8c03\u8bd5\u6216\u8fd0\u884c\u4e34\u65f6\u6027\u4ee3\u7801\u3002<\/span><\/p>\n<p>\u8fd9\u4e2a\u8fc7\u7a0b\u53d1\u751f\u5728CPU\u6267\u884c\u7b2c\u4e00\u6761\u6307\u4ee4\u4e4b\u524d&#xff0c;\u7531\u82af\u7247\u5185\u90e8\u7684\u786c\u4ef6\u603b\u7ebf\u77e9\u9635\u5b8c\u6210\u3002\u5b83\u662f\u4e00\u79cd\u9759\u6001\u7684\u3001\u7531\u786c\u4ef6\u5f15\u811a\u51b3\u5b9a\u7684\u201c\u4e00\u6b21\u6027\u201d\u6620\u5c04\u3002<\/p>\n<p>\u4e8c&#xff1a;\u5185\u6838\u7ea7\u52a8\u6001\u91cd\u6620\u5c04&#xff08;\u901a\u8fc7VTOR\u5bc4\u5b58\u5668&#xff09; \u8fd9\u662fCortex-M3\u5185\u6838\u63d0\u4f9b\u7684\u8f6f\u4ef6\u53ef\u914d\u7f6e\u7684\u91cd\u6620\u5c04\u529f\u80fd&#xff0c;\u66f4\u52a0\u7075\u6d3b\u3002\u5b83\u901a\u8fc7\u4e00\u4e2a\u540d\u4e3a VTOR&#xff08;\u5411\u91cf\u8868\u504f\u79fb\u5bc4\u5b58\u5668&#xff09; \u7684\u7cfb\u7edf\u63a7\u5236\u5bc4\u5b58\u5668\u6765\u5b9e\u73b0\u3002<\/p>\n<ul>\n<li>VTOR\u5730\u5740&#xff1a; 0xE000ED08 &#xff08;\u5c5e\u4e8e\u5185\u6838\u7684SCB\u533a\u57df&#xff09;<\/li>\n<li>\u529f\u80fd&#xff1a; VTOR\u7684\u503c\u5b9a\u4e49\u4e86\u5411\u91cf\u8868\u7684\u65b0\u57fa\u5730\u5740\u3002\u91cd\u7f6e\u540e&#xff0c;\u5b83\u7684\u503c\u901a\u5e38\u662f0x00000000\u3002 \u5de5\u4f5c\u539f\u7406&#xff1a; \u5f53VTOR\u88ab\u8bbe\u7f6e\u4e3a\u4e00\u4e2a\u65b0\u5730\u5740&#xff08;\u5982 0x08010000&#xff09;\u540e&#xff0c;\u5185\u6838\u786c\u4ef6\u4f1a\u81ea\u52a8\u8fdb\u884c\u4ee5\u4e0b\u8ba1\u7b97&#xff1a; \u5f02\u5e38\u5411\u91cf\u5730\u5740 &#061; VTOR &#043; \u5f02\u5e38\u7f16\u53f7 \u00d7 4 \u4f8b\u5982&#xff0c;\u5f53\u53d1\u751f\u4e2d\u65ad10\u65f6&#xff1a;<\/li>\n<li>\u65e7\u65b9\u5f0f&#xff08;VTOR&#061;0&#xff09;&#xff1a;\u786c\u4ef6\u53bb 0x00000028 (0 &#043; 40) \u53d6\u5411\u91cf\u3002<\/li>\n<li>\u65b0\u65b9\u5f0f&#xff08;VTOR&#061;0x08010000&#xff09;&#xff1a;\u786c\u4ef6\u53bb 0x08010028 (0x08010000 &#043; 40) \u53d6\u5411\u91cf\u3002 \u8fd9\u662f\u771f\u6b63\u7684\u201c\u91cd\u6620\u5c04\u201d&#xff1a;\u4f60\u901a\u8fc7\u4fee\u6539VTOR&#xff0c;\u544a\u8bc9CPU&#xff1a;\u201c\u8bf7\u5230\u65b0\u7684\u5730\u5740\u53bb\u5bfb\u627e\u5411\u91cf\u8868\u201d\u3002CPU\u4e4b\u540e\u6240\u6709\u5bf9\u5f02\u5e38\u5411\u91cf\u7684\u67e5\u627e&#xff0c;\u90fd\u4f1a\u57fa\u4e8e\u8fd9\u4e2a\u65b0\u57fa\u5740\u3002<\/li>\n<\/ul>\n<p>\u7b2c\u4e09\u90e8\u5206&#xff1a;\u542f\u52a8\u4e0e\u91cd\u6620\u5c04\u7684\u914d\u5408\u6d41\u7a0b \u4e00\u4e2a\u5178\u578b\u7cfb\u7edf\u7684\u5b8c\u6574\u542f\u52a8\u65c5\u7a0b\u662f\u8fd9\u6837\u7684&#xff0c;\u6211\u4eec\u4ee5\u4ece\u4e3bFlash\u542f\u52a8\u5e76\u8fd0\u884c\u4e00\u4e2a\u5305\u542bBootloader\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u7cfb\u7edf\u4e3a\u4f8b&#xff1a;<\/p>\n<li>\u7b2c\u4e00\u9636\u6bb5&#xff1a;\u82af\u7247\u786c\u4ef6\u6620\u5c04\n<ul>\n<li>\u7cfb\u7edf\u4e0a\u7535&#xff0c;BOOT\u5f15\u811a\u8bbe\u7f6e\u4e3a\u4ece\u4e3bFlash\u542f\u52a8\u3002<\/li>\n<li>\u82af\u7247\u5185\u90e8\u603b\u7ebf\u5c06\u7269\u7406\u5730\u5740 0x08000000&#xff08;Flash\u8d77\u59cb&#xff09;\u786c\u4ef6\u6620\u5c04\u5230\u903b\u8f91\u5730\u5740 0x00000000\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u7b2c\u4e8c\u9636\u6bb5&#xff1a;\u5185\u6838\u56fa\u5b9a\u8bfb\u53d6\n<ul>\n<li>Cortex-M3\u5185\u6838\u4ece 0x00000000 \u8bfb\u53d6MSP&#xff0c;\u4ece 0x00000004 \u8bfb\u53d6PC\u3002<\/li>\n<li>\u7531\u4e8e\u786c\u4ef6\u6620\u5c04&#xff0c;\u5b83\u5b9e\u9645\u8bfb\u53d6\u7684\u662f 0x08000000 \u548c 0x08000004 \u7684\u5185\u5bb9\u3002<\/li>\n<li>\u5185\u6838\u8df3\u8f6c\u5230 Reset_Handler&#xff08;\u5047\u8bbe\u662fBootloader\u7684\u5165\u53e3&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u7b2c\u4e09\u9636\u6bb5&#xff1a;Bootloader\u8fd0\u884c\u4e0e\u91cd\u6620\u5c04\n<ul>\n<li>Bootloader\u5f00\u59cb\u6267\u884c\u3002\u5b83\u53ef\u80fd\u68c0\u67e5\u662f\u5426\u6709\u65b0\u56fa\u4ef6&#xff0c;\u6216\u76f4\u63a5\u8df3\u8f6c\u5230\u5e94\u7528\u7a0b\u5e8f\u3002<\/li>\n<li>\u5728\u8df3\u8f6c\u524d&#xff0c;Bootloader\u4f1a\u8ba1\u7b97\u5e94\u7528\u7a0b\u5e8f\u5411\u91cf\u8868\u7684\u5730\u5740&#xff08;\u4f8b\u5982&#xff0c;\u5e94\u7528\u7a0b\u5e8f\u5b58\u653e\u5728Flash\u7684 0x08010000 \u5904&#xff09;\u3002<\/li>\n<li>Bootloader\u5c06VTOR\u5bc4\u5b58\u5668\u7684\u503c\u8bbe\u7f6e\u4e3a 0x08010000\u3002\u8fd9\u4e2a\u64cd\u4f5c\u77ac\u95f4\u5b8c\u6210\u4e86\u5185\u6838\u7ea7\u7684\u91cd\u6620\u5c04\u3002<\/li>\n<li>\u7136\u540e&#xff0c;Bootloader\u4f7f\u7528\u4e00\u4e2a\u201c\u8df3\u8f6c\u5230\u5e94\u7528\u7a0b\u5e8f\u201d\u7684\u6280\u5de7&#xff1a;\u5b83\u6a21\u62df\u4e00\u6b21\u5f02\u5e38\u8fd4\u56de&#xff0c;\u5c06\u5e94\u7528\u7a0b\u5e8f\u7684MSP&#xff08;\u4ece\u65b0\u7684\u5411\u91cf\u8868 0x08010000 \u5904\u8bfb\u53d6&#xff09;\u548c\u590d\u4f4d\u5411\u91cf&#xff08;\u4ece 0x08010004 \u5904\u8bfb\u53d6&#xff09;\u52a0\u8f7d&#xff0c;\u4ece\u800c\u65e0\u7f1d\u5730\u5c06\u63a7\u5236\u6743\u3001\u5806\u6808\u548c\u5411\u91cf\u8868\u5168\u90e8\u79fb\u4ea4\u7ed9\u5e94\u7528\u7a0b\u5e8f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u7b2c\u56db\u9636\u6bb5&#xff1a;\u5e94\u7528\u7a0b\u5e8f\u8fd0\u884c\n<ul>\n<li>\u5e94\u7528\u7a0b\u5e8f\u7684\u4ee3\u7801\u5f00\u59cb\u8fd0\u884c\u3002<\/li>\n<li>\u6b64\u540e\u53d1\u751f\u7684\u4efb\u4f55\u4e2d\u65ad&#xff0c;CPU\u90fd\u4f1a\u6839\u636e\u65b0\u7684VTOR&#xff08;\u6307\u5411\u5e94\u7528\u7a0b\u5e8f\u7684\u5411\u91cf\u8868&#xff09;\u53bb\u5bfb\u627e\u6b63\u786e\u7684\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u3002<\/li>\n<\/ul>\n<\/li>\n<p>\u6ce8\u610f&#xff1a;<\/p>\n<li>Bootloader\u8bbe\u8ba1&#xff1a;\u8fd9\u662f\u91cd\u6620\u5c04\u6700\u7ecf\u5178\u7684\u5e94\u7528\u3002Bootloader\u548c\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u6709\u5404\u81ea\u72ec\u7acb\u3001\u4f4d\u7f6e\u4e0d\u540c\u7684\u5411\u91cf\u8868&#xff0c;\u901a\u8fc7VTOR\u5207\u6362\u5b9e\u73b0\u5e72\u51c0\u5229\u843d\u7684\u8df3\u8f6c\u3002<\/li>\n<li>\u56fa\u4ef6\u5347\u7ea7&#xff1a;\u65b0\u56fa\u4ef6\u53ef\u4ee5\u4e0b\u8f7d\u5230Flash\u7684\u53e6\u4e00\u533a\u57df&#xff08;\u5982 0x08020000&#xff09;&#xff0c;\u5347\u7ea7\u65f6\u53ea\u9700\u8ba9Bootloader\u5c06VTOR\u6307\u5411\u65b0\u5730\u5740\u5373\u53ef&#xff0c;\u5b9e\u73b0\u201c\u65e0\u611f\u201d\u5207\u6362\u3002<\/li>\n<li>\u5728RAM\u4e2d\u8c03\u8bd5&#xff1a;\u5c06\u7a0b\u5e8f\u52a0\u8f7d\u5230RAM&#xff08;0x20000000&#xff09;&#xff0c;\u5e76\u5c06VTOR\u6307\u5411RAM&#xff0c;\u53ef\u4ee5\u6781\u5feb\u5730\u4e0b\u8f7d\u548c\u8c03\u8bd5\u4ee3\u7801&#xff0c;\u65e0\u9700\u64e6\u5199Flash\u3002<\/li>\n<li>\u9ad8\u7ea7\u64cd\u4f5c\u7cfb\u7edf&#xff1a;RTOS\u5728\u8fdb\u884c\u4e0a\u4e0b\u6587\u5207\u6362\u65f6&#xff0c;\u53ef\u80fd\u4f1a\u4e3a\u4e0d\u540c\u4efb\u52a1\u8bbe\u7f6e\u4e0d\u540c\u7684\u5806\u6808\u3002\u901a\u8fc7\u4e34\u65f6\u4fee\u6539MSP\u548cVTOR&#xff08;\u5982\u679c\u9700\u8981&#xff09;&#xff0c;\u53ef\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u4efb\u52a1\u9694\u79bb\u3002 \u603b\u7ed3&#xff1a;<\/li>\n<ul>\n<li>\u82af\u7247\u7ea7\u9759\u6001\u91cd\u6620\u5c04&#xff08;BOOT\u5f15\u811a&#xff09;\u89e3\u51b3\u4e86\u201c\u4ece\u54ea\u91cc\u5f00\u59cb\u201d\u7684\u95ee\u9898&#xff0c;\u63d0\u4f9b\u4e86\u56fa\u4ef6\u6062\u590d\u548c\u4e0b\u8f7d\u7684\u7269\u7406\u624b\u6bb5\u3002<\/li>\n<li>\u5185\u6838\u7ea7\u52a8\u6001\u91cd\u6620\u5c04&#xff08;VTOR\u5bc4\u5b58\u5668&#xff09;\u89e3\u51b3\u4e86\u201c\u5982\u4f55\u7075\u6d3b\u5207\u6362\u201d\u7684\u95ee\u9898&#xff0c;\u4e3a\u73b0\u4ee3\u5d4c\u5165\u5f0f\u8f6f\u4ef6&#xff08;\u5c24\u5176\u662fBootloader\u548cRTOS&#xff09;\u63d0\u4f9b\u4e86\u81f3\u5173\u91cd\u8981\u7684\u7075\u6d3b\u6027\u3002<\/li>\n<\/ul>\n<hr \/>\n<p>\u5728\u82af\u7247\u7ea7\u9759\u6001\u91cd\u6620\u5c04\u65f6\u53ef\u4ee5\u901a\u8fc7BOOT0\u548cBOOT1\u5f15\u811a\u914d\u7f6e\u4e09\u79cd\u4e0d\u540c\u7684\u542f\u52a8\u65b9\u5f0f&#xff0c;\u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u9010\u4e00\u8bb2\u89e3\u4ed6\u4eec\u7684\u5728cortex m3\u4e2d\u7684\u6d41\u7a0b \u5728\u8bb2\u89e3\u6d41\u7a0b\u524d&#xff0c;\u5148\u660e\u786e\u4e09\u4f4d\u201c\u4e3b\u89d2\u201d&#xff1a;<\/p>\n<li>\u4e3b\u5806\u6808\u6307\u9488&#xff1a;MSP (Main Stack Pointer)&#xff0c;\u5373 R13 \u5bc4\u5b58\u5668\u5728\u7279\u6743\u6a21\u5f0f\u4e0b\u7684\u4e3b\u8981\u5f62\u6001\u3002\u5b83\u6307\u5411\u4e3b\u5806\u6808\u7684\u6808\u9876&#xff0c;\u7528\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u3001\u5f02\u5e38\u53ca\u4e2d\u65ad\u5904\u7406\u3002<\/li>\n<li>\u7a0b\u5e8f\u8ba1\u6570\u5668&#xff1a;PC (Program Counter)&#xff0c;\u5373 R15 \u5bc4\u5b58\u5668\u3002\u5b83\u5b58\u50a8\u7740\u4e0b\u4e00\u6761\u8981\u6267\u884c\u7684\u6307\u4ee4\u7684\u5730\u5740&#xff0c;\u662f\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u7684\u7edd\u5bf9\u6838\u5fc3\u3002<\/li>\n<li>\u5411\u91cf\u8868\u504f\u79fb\u5bc4\u5b58\u5668&#xff1a;VTOR (Vector Table Offset Register)&#xff0c;\u4e00\u4e2a\u4f4d\u4e8e\u7cfb\u7edf\u63a7\u5236\u5757&#xff08;SCB&#xff09;\u4e2d\u7684\u5185\u5b58\u6620\u5c04\u5bc4\u5b58\u5668&#xff08;\u5730\u5740 0xE000ED08&#xff09;\u3002\u5b83\u5b58\u50a8\u7740\u5411\u91cf\u8868\u7684\u57fa\u5730\u5740&#xff0c;\u662f\u52a8\u6001\u91cd\u6620\u5c04\u7684\u6307\u6325\u68d2\u3002<\/li>\n<p>\u4e3bFlash\u542f\u52a8&#xff08;\u5e94\u7528\u7a0b\u5e8f\u6807\u51c6\u6a21\u5f0f&#xff09; \u8fd9\u662f\u82af\u7247\u51fa\u5382\u540e\u8fd0\u884c\u7528\u6237\u7a0b\u5e8f\u7684\u6b63\u5e38\u6a21\u5f0f\u3002<\/p>\n<li>\u590d\u4f4d\u77ac\u95f4&#xff08;\u786c\u4ef6\u6620\u5c04&#xff09;&#xff1a;\n<ul>\n<li>\u64cd\u4f5c&#xff1a;\u82af\u7247\u7684\u5f15\u811a\u914d\u7f6e\u7535\u8def\u548c\u603b\u7ebf\u77e9\u9635\u6839\u636e BOOT0&#061;0 \u7684\u7535\u5e73&#xff0c;\u5efa\u7acb\u4e00\u6761\u7269\u7406\u8fde\u63a5&#xff1a;\u5c06 CPU \u5bf9\u903b\u8f91\u5730\u5740 0x00000000 \u7684\u8bbf\u95ee&#xff0c;\u91cd\u5b9a\u5411\u5230\u7269\u7406 Flash \u7684\u8d77\u59cb\u5730\u5740 0x08000000\u3002<\/li>\n<li>\u4f5c\u7528&#xff1a;\u8fd9\u662f\u4e00\u4e2a\u5730\u5740\u8f6c\u6362\u5f00\u5173\u3002\u5b83\u6b3a\u9a97\u4e86CPU&#xff0c;\u8ba9CPU\u4ee5\u4e3a\u5411\u91cf\u8868\u57280\u5730\u5740&#xff0c;\u4f46\u5b9e\u9645\u4e0a\u8bbf\u95ee\u7684\u662fFlash\u3002\u6b64\u9636\u6bb5\u6ca1\u6709\u4fee\u6539\u4efb\u4f55CPU\u5bc4\u5b58\u5668&#xff0c;\u53ea\u662f\u6539\u53d8\u4e86\u5185\u5b58\u8bbf\u95ee\u7684\u8def\u5f84\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5185\u6838\u542f\u52a8\u5e8f\u5217&#xff08;\u786c\u4ef6\u81ea\u52a8\u52a0\u8f7dSP\u548cPC&#xff09;\n<ul>\n<li>\u64cd\u4f5c&#xff1a; a. CPU\u5185\u6838\u4ece 0x00000000 \u8bfb\u53d64\u5b57\u8282 -&gt; \u7531\u4e8e\u786c\u4ef6\u6620\u5c04&#xff0c;\u5b9e\u9645\u4ece 0x08000000 \u8bfb\u53d6 -&gt; \u5c06\u8be5\u503c\u76f4\u63a5\u88c5\u5165MSP (R13)\u3002 b. CPU\u5185\u6838\u4ece 0x00000004 \u8bfb\u53d64\u5b57\u8282 -&gt; \u7531\u4e8e\u786c\u4ef6\u6620\u5c04&#xff0c;\u5b9e\u9645\u4ece 0x08000004 \u8bfb\u53d6 -&gt; \u5c06\u8be5\u503c\u76f4\u63a5\u88c5\u5165PC (R15)\u3002<\/li>\n<li>\u4f5c\u7528&#xff1a;\n<ul>\n<li>\u8bbe\u7f6eMSP&#xff1a;\u4e3a\u540e\u7eedC\u8bed\u8a00\u51fd\u6570\u8c03\u7528&#xff08;\u9700\u8981\u6808\u5e27&#xff09;\u548c\u5373\u5c06\u5230\u6765\u7684\u4efb\u4f55\u5f02\u5e38&#xff08;\u5f02\u5e38\u5904\u7406\u7b2c\u4e00\u4ef6\u4e8b\u5c31\u662f\u538b\u6808&#xff09;\u63d0\u4f9b\u4e86\u5408\u6cd5\u7684\u5806\u6808\u7a7a\u95f4\u3002\u6ca1\u6709\u8fd9\u4e00\u6b65&#xff0c;\u7cfb\u7edf\u65e0\u6cd5\u8fd0\u884c\u4efb\u4f55\u9ad8\u7ea7\u4ee3\u7801\u6216\u54cd\u5e94\u4e2d\u65ad\u3002<\/li>\n<li>\u8bbe\u7f6ePC&#xff1a;\u5f3a\u5236CPU\u8df3\u8f6c\u5230\u7528\u6237\u7a0b\u5e8f\u7684 Reset_Handler \u51fd\u6570\u3002\u8fd9\u662f\u8f6f\u4ef6\u4e16\u754c\u5f00\u59cb\u7684\u552f\u4e00\u5165\u53e3\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u8f6f\u4ef6\u521d\u59cb\u5316\u4e0e\u91cd\u6620\u5c04&#xff08;\u53ef\u9009&#xff0c;\u7531\u8f6f\u4ef6\u64cd\u4f5c&#xff09;&#xff1a;\n<ul>\n<li>\u64cd\u4f5c&#xff1a;\u5728 Reset_Handler \u6216\u540e\u7eed\u521d\u59cb\u5316\u4ee3\u7801\u4e2d&#xff0c;\u901a\u8fc7 LDR \u548c STR \u6307\u4ee4&#xff0c;\u5c06\u4e00\u4e2a\u65b0\u7684\u57fa\u5730\u5740&#xff08;\u5982 0x08020000&#xff09;\u5199\u5165VTOR\u5bc4\u5b58\u5668&#xff08;0xE000ED08&#xff09;\u3002<\/li>\n<li>\u4f5c\u7528&#xff1a;\u5199\u5165VTOR\u540e&#xff0c;CPU\u5185\u90e8\u7528\u4e8e\u8ba1\u7b97\u5f02\u5e38\u5411\u91cf\u7684\u57fa\u5740\u6307\u9488\u53d1\u751f\u4e86\u6539\u53d8\u3002\u6b64\u540e&#xff0c;\u5f53\u53d1\u751f\u4e2d\u65ad#n\u65f6&#xff0c;\u786c\u4ef6\u4e0d\u518d\u53bb 0x00000000 &#043; n*4 \u627e\u5411\u91cf&#xff0c;\u800c\u662f\u53bb VTOR &#043; n*4 \u627e\u3002\u8fd9\u4f7f\u5f97Bootloader&#xff08;\u5728 0x08000000&#xff09;\u548c\u5e94\u7528\u7a0b\u5e8f&#xff08;\u5728 0x08020000&#xff09;\u53ef\u4ee5\u62e5\u6709\u5404\u81ea\u72ec\u7acb\u7684\u5411\u91cf\u8868&#xff0c;\u5b9e\u73b0\u5e72\u51c0\u5207\u6362\u3002<\/li>\n<\/ul>\n<\/li>\n<p>\u8865\u5145&#xff1a;<\/p>\n<li>CPU\u786c\u4ef6\u52a8\u4f5c&#xff1a;\u590d\u4f4d\u540e&#xff0c;CPU\u56fa\u5b9a\u5730\u53bb\u903b\u8f91\u5730\u57400x00000004&#xff08;\u901a\u8fc7BOOT\u6620\u5c04&#xff0c;\u5b9e\u9645\u4e3a\u7269\u7406\u5730\u57400x08000004&#xff09;\u8bfb\u53d6\u4e00\u4e2a32\u4f4d\u6570\u3002<\/li>\n<li>\u8bfb\u53d6\u5230\u6307\u9488&#xff1a;\u5b83\u4ece0x08000004\u8bfb\u5230\u7684\u4e0d\u662f\u6307\u4ee4&#xff0c;\u800c\u662f\u4e00\u4e2a\u6570\u636e&#xff0c;\u6bd4\u59820x080000C1\u3002\u8fd9\u4e2a\u6570\u636e\u5c31\u662f\u201c\u6307\u9488\u201d\u3002<\/li>\n<li>\u8df3\u8f6c&#xff1a;CPU\u5c06\u8fd9\u4e2a\u8bfb\u53d6\u5230\u7684\u503c&#xff08;0x080000C1&#xff09;\u52a0\u8f7d\u5230\u7a0b\u5e8f\u8ba1\u6570\u5668&#xff0c;\u7136\u540e\u8df3\u8f6c\u5230\u90a3\u4e2a\u5730\u5740&#xff08;0x080000C1&#xff09;\u53bb\u6267\u884c\u3002<\/li>\n<li>\u6267\u884c\u51fd\u6570&#xff1a;\u5730\u57400x080000C1\u624d\u662fReset_Handler\u51fd\u6570\u7b2c\u4e00\u6761\u6307\u4ee4\u7684\u5b9e\u9645\u4f4d\u7f6e&#xff0c;CPU\u4ece\u8fd9\u91cc\u5f00\u59cb\u6267\u884c\u8be5\u51fd\u6570\u7684\u4ee3\u7801\u3002<\/li>\n<p>\u7cfb\u7edf\u5b58\u50a8\u5668\u542f\u52a8&#xff08;\u5185\u7f6eBootloader\u6a21\u5f0f&#xff09; \u6b64\u6a21\u5f0f\u7528\u4e8e\u901a\u8fc7\u4e32\u53e3\u7b49\u63a5\u53e3\u70e7\u5f55\u7528\u6237\u7a0b\u5e8f\u3002<\/p>\n<li>\u590d\u4f4d\u77ac\u95f4&#xff08;\u786c\u4ef6\u6620\u5c04&#xff09;&#xff1a;\n<ul>\n<li>\u64cd\u4f5c&#xff1a;BOOT0&#061;1 \u89e6\u53d1\u603b\u7ebf\u77e9\u9635&#xff0c;\u5c06CPU\u5bf9 0x00000000 \u7684\u8bbf\u95ee&#xff0c;\u91cd\u5b9a\u5411\u5230\u82af\u7247\u5185\u90e8\u53ea\u8bfb\u7684\u7cfb\u7edf\u5b58\u50a8\u5668&#xff08;\u5730\u5740\u5982 0x1FFF0000&#xff09;&#xff0c;\u8fd9\u91cc\u56fa\u5316\u7740\u5382\u5546\u63d0\u4f9b\u7684Bootloader\u4ee3\u7801\u3002<\/li>\n<li>\u4f5c\u7528&#xff1a;\u8ba9CPU\u7684\u201c\u7b2c\u4e00\u773c\u201d\u770b\u5230\u7684\u662f\u5382\u5546Bootloader&#xff0c;\u800c\u4e0d\u662f\u7528\u6237\u53ef\u80fd\u5df2\u7ecf\u635f\u574f\u7684Flash\u7a0b\u5e8f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5185\u6838\u542f\u52a8\u5e8f\u5217&#xff08;\u786c\u4ef6\u81ea\u52a8\u52a0\u8f7dSP\u548cPC&#xff09;&#xff1a;\n<ul>\n<li>\u64cd\u4f5c&#xff1a;\u4e0e\u4e0a\u8ff0\u8fc7\u7a0b\u5b8c\u5168\u4e00\u81f4&#xff0c;\u4f46\u6570\u636e\u6765\u6e90\u53d8\u6210\u4e86\u7cfb\u7edf\u5b58\u50a8\u5668\u7684 0x1FFF0000 \u548c 0x1FFF0004\u3002<\/li>\n<li>\u4f5c\u7528&#xff1a;MSP\u88ab\u8bbe\u7f6e\u4e3aBootloader\u6240\u9700\u7684\u6808\u9876&#xff1b;PC\u8df3\u8f6c\u5230Bootloader\u7684 Reset_Handler&#xff0c;\u5f00\u59cb\u6267\u884c\u70e7\u5f55\u903b\u8f91\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5185\u7f6eBootloader\u7684\u5de5\u4f5c\u4e0e\u5207\u6362&#xff1a;\n<ul>\n<li>\u64cd\u4f5c&#xff1a;Bootloader\u8fd0\u884c&#xff0c;\u901a\u8fc7\u4e32\u53e3\u63a5\u6536\u65b0\u7a0b\u5e8f\u6570\u636e&#xff0c;\u5e76\u5199\u5165\u7528\u6237Flash\u533a\u57df&#xff08;\u5982 0x08000000&#xff09;\u3002\u5b8c\u6210\u540e&#xff0c;\u5b83\u9700\u8981\u5c06\u63a7\u5236\u6743\u4ea4\u7ed9\u65b0\u7a0b\u5e8f\u3002<\/li>\n<li>\u5173\u952e\u5207\u6362\u64cd\u4f5c&#xff1a;Bootloader\u4e0d\u4f1a\u53bb\u5199VTOR&#xff08;\u56e0\u4e3a\u65b0\u7a0b\u5e8f\u57280\u5730\u5740&#xff09;\u3002\u5b83\u9700\u8981\u6a21\u62df\u4e00\u6b21\u201c\u65b0\u7684\u542f\u52a8\u201d&#xff1a; a. \u8bfb\u53d6\u7528\u6237\u7a0b\u5e8f\u7684\u6808\u6307\u9488&#xff1a;\u4ece 0x08000000 \u8bfb\u53d6\u4e00\u4e2a\u5b57&#xff0c;\u8fd9\u4e2a\u503c\u5c31\u662f\u65b0\u7a0b\u5e8f\u7684\u521d\u59cbMSP\u3002 b. \u8bfb\u53d6\u7528\u6237\u7a0b\u5e8f\u7684\u5165\u53e3\u5730\u5740&#xff1a;\u4ece 0x08000004 \u8bfb\u53d6\u4e00\u4e2a\u5b57&#xff0c;\u8fd9\u5c31\u662f\u65b0\u7a0b\u5e8f\u7684 Reset_Handler \u5730\u5740\u3002 c. \u6267\u884c\u8df3\u8f6c&#xff1a;\u901a\u5e38\u4f7f\u7528\u4e00\u6761 BX \u6307\u4ee4&#xff0c;\u6216\u8005\u66f4\u5e38\u89c1\u7684\u662f&#xff0c;\u5c06\u5165\u53e3\u5730\u5740\u52a0\u8f7d\u5230\u67d0\u4e2a\u5bc4\u5b58\u5668&#xff08;\u5982R0&#xff09;&#xff0c;\u7136\u540e\u4f7f\u7528 MSR \u8bbe\u7f6eMSP&#xff0c;\u6700\u540e BX R0\u3002\u6b64\u64cd\u4f5c\u76f4\u63a5\u4fee\u6539\u4e86MSP\u548cPC\u3002<\/li>\n<li>\u4f5c\u7528&#xff1a;\u901a\u8fc7\u8f6f\u4ef6\u624b\u52a8\u91cd\u590d\u4e86\u5185\u6838\u7684\u542f\u52a8\u52a0\u8f7d\u5e8f\u5217&#xff0c;\u5b9e\u73b0\u4e86\u4eceBootloader\u5230\u7528\u6237\u7a0b\u5e8f\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u3002\u6b64\u65f6&#xff0c;\u5411\u91cf\u8868\u81ea\u7136\u5730\u4f4d\u4e8e 0x08000000&#xff08;\u5373VTOR\u9ed8\u8ba4\u503c0\u6240\u6307\u5411\u7684\u4f4d\u7f6e&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<p>\u5d4c\u5165\u5f0fSRAM\u542f\u52a8&#xff08;\u8c03\u8bd5\u6a21\u5f0f&#xff09; \u6b64\u6a21\u5f0f\u7528\u4e8e\u5728RAM\u4e2d\u5feb\u901f\u8c03\u8bd5\u4ee3\u7801&#xff0c;\u65e0\u9700\u7f16\u7a0bFlash\u3002<\/p>\n<li>\u590d\u4f4d\u77ac\u95f4&#xff08;\u786c\u4ef6\u6620\u5c04&#xff09;&#xff1a;\n<ul>\n<li>\u64cd\u4f5c&#xff1a;BOOT0&#061;1, BOOT1&#061;1 \u89e6\u53d1\u603b\u7ebf\u77e9\u9635&#xff0c;\u5c06CPU\u5bf9 0x00000000 \u7684\u8bbf\u95ee&#xff0c;\u91cd\u5b9a\u5411\u5230\u5185\u90e8 SRAM\u7684\u8d77\u59cb\u5730\u5740 0x20000000\u3002<\/li>\n<li>\u4f5c\u7528&#xff1a;\u8ba9CPU\u4eceSRAM\u542f\u52a8\u3002\u4f46\u6b64\u65f6SRAM\u662f\u968f\u673a\u6216\u65e0\u610f\u4e49\u7684\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5185\u6838\u542f\u52a8\u5e8f\u5217&#xff08;\u786c\u4ef6\u81ea\u52a8\u52a0\u8f7dSP\u548cPC&#xff09;\u2014\u2014 \u4f46\u4f9d\u8d56\u8c03\u8bd5\u5668&#xff1a;\n<ul>\n<li>\u524d\u63d0\u64cd\u4f5c&#xff1a;\u5728CPU\u590d\u4f4d\u540e\u3001\u6267\u884c\u524d&#xff0c;\u8c03\u8bd5\u5668&#xff08;\u901a\u8fc7SWD\/JTAG\u63a5\u53e3&#xff09; \u5fc5\u987b\u5c06\u7f16\u8bd1\u597d\u7684\u7a0b\u5e8f&#xff08;\u5176\u94fe\u63a5\u5730\u5740\u88ab\u8bbe\u5b9a\u5728SRAM\u7a7a\u95f4&#xff0c;\u5982 0x20000000&#xff09;\u4e0b\u8f7d\u5230SRAM\u4e2d\u3002\u8fd9\u5305\u62ec\u5728 0x20000000 \u5904\u653e\u7f6e\u6b63\u786e\u7684\u521d\u59cbMSP\u503c&#xff0c;\u5728 0x20000004 \u5904\u653e\u7f6e Reset_Handler \u5730\u5740\u3002<\/li>\n<li>\u64cd\u4f5c&#xff1a;CPU\u968f\u540e\u6267\u884c\u6807\u51c6\u52a0\u8f7d&#xff1a;\u4ece 0x20000000 \u52a0\u8f7dMSP&#xff0c;\u4ece 0x20000004 \u52a0\u8f7dPC\u3002<\/li>\n<li>\u4f5c\u7528&#xff1a;MSP\u88ab\u8bbe\u7f6e\u4e3aSRAM\u4e2d\u9884\u7f6e\u7684\u6808\u9876&#xff1b;PC\u8df3\u8f6c\u5230\u4e5f\u5df2\u5b58\u653e\u5728SRAM\u4e2d\u7684 Reset_Handler \u4ee3\u7801\u3002\u6574\u4e2a\u8fc7\u7a0b\u5b8c\u5168\u5728RAM\u4e2d\u8fdb\u884c&#xff0c;\u901f\u5ea6\u6781\u5feb\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u8f6f\u4ef6\u8fd0\u884c&#xff1a;\n<ul>\n<li>\u64cd\u4f5c&#xff1a;\u7a0b\u5e8f\u5728SRAM\u4e2d\u6b63\u5e38\u8fd0\u884c\u3002VTOR\u901a\u5e38\u4fdd\u6301\u4e3a0&#xff0c;\u56e0\u4e3a\u5411\u91cf\u8868&#xff08;\u5728SRAM\u4e2d&#xff09;\u5df2\u7ecf\u88ab\u6620\u5c04\u5230\u4e860\u5730\u5740\u3002<\/li>\n<li>\u4f5c\u7528&#xff1a;\u6240\u6709\u4ee3\u7801\u6267\u884c\u3001\u53d8\u91cf\u5b58\u53d6\u3001\u4e2d\u65ad\u54cd\u5e94\u90fd\u53d1\u751f\u5728SRAM\u4e2d&#xff0c;\u5b9e\u73b0\u4e86\u96f6\u7b49\u5f85\u3001\u53ef\u53cd\u590d\u77ac\u65f6\u4e0b\u8f7d\u7684\u8c03\u8bd5\u4f53\u9a8c\u3002<\/li>\n<\/ul>\n<\/li>\n<p>\u4ece\u8fd9\u4e9b\u65b9\u6cd5\u6211\u4eec\u53ef\u4ee5\u770b\u51faCortex-M3\u6240\u6709\u542f\u52a8\u65b9\u6cd5&#xff0c;\u672c\u8d28\u4e0a\u662f\u786c\u4ef6\u4e3a\u8f6f\u4ef6\u642d\u5efa\u821e\u53f0\u5e76\u5f3a\u884c\u79fb\u4ea4\u63a7\u5236\u6743\u7684\u4e00\u4e2a\u786e\u5b9a\u3001\u4e0d\u53ef\u66f4\u6539\u7684\u4e09\u5c42\u9012\u8fdb\u8fc7\u7a0b\u3002\u65e0\u8bba\u4ece\u54ea\u79cd\u5b58\u50a8\u5668\u542f\u52a8&#xff0c;\u5176\u6838\u5fc3\u90fd\u9075\u5faa\u4ee5\u4e0b\u901a\u7528\u903b\u8f91&#xff1a;<\/p>\n<p>\u7b2c\u4e00\u9636\u6bb5&#xff1a;\u7269\u7406\u6620\u5c04\u5c42 \u2014\u2014 \u51b3\u5b9a\u201c\u6570\u636e\u4e4b\u6e90\u201d \u5728CPU\u5185\u6838\u884c\u52a8\u4e4b\u524d&#xff0c;\u7531\u82af\u7247\u5382\u5546\u7684\u786c\u4ef6&#xff08;\u901a\u8fc7BOOT\u5f15\u811a\u914d\u7f6e&#xff09;\u5b8c\u6210\u3002\u6b64\u9636\u6bb5\u7684\u6838\u5fc3\u64cd\u4f5c\u662f\u5730\u5740\u91cd\u5b9a\u5411&#xff1a;\u82af\u7247\u5185\u90e8\u7684\u5b58\u50a8\u5668\u63a7\u5236\u5668\u5c06CPU\u5185\u6838\u8981\u8bbf\u95ee\u7684\u903b\u8f91\u8d77\u59cb\u5730\u5740 0x00000000&#xff0c;\u9759\u6001\u5730\u5173\u8054\u5230\u67d0\u4e00\u5757\u7269\u7406\u5b58\u50a8\u5668\u7684\u57fa\u5730\u5740&#xff08;\u5982\u4e3bFlash\u76840x08000000\u3001\u7cfb\u7edfROM\u76840x1FFF0000\u6216SRAM\u76840x20000000&#xff09;\u3002 \u4f5c\u7528&#xff1a;\u6b64\u64cd\u4f5c\u5728\u7269\u7406\u5c42\u9762\u51b3\u5b9a\u4e86CPU\u201c\u7b2c\u4e00\u773c\u201d\u770b\u5230\u7684\u6570\u636e\u6765\u81ea\u4f55\u5904&#xff0c;\u4f46\u5b83\u4e0d\u6539\u53d8CPU\u5185\u90e8\u7684\u4efb\u4f55\u5bc4\u5b58\u5668&#xff0c;\u53ea\u662f\u4e3a\u540e\u7eed\u7684\u8bfb\u53d6\u94fa\u8bbe\u4e86\u4e00\u6761\u56fa\u5b9a\u7684\u6570\u636e\u901a\u8def\u3002\u8fd9\u662f\u542f\u52a8\u6a21\u5f0f\u5dee\u5f02\u6027\u7684\u552f\u4e00\u6765\u6e90\u3002<\/p>\n<p>\u7b2c\u4e8c\u9636\u6bb5&#xff1a;\u5185\u6838\u5f3a\u5236\u52a0\u8f7d\u5c42 \u2014\u2014 \u5efa\u7acb\u201c\u8fd0\u884c\u57fa\u77f3\u201d CPU\u91ca\u653e\u590d\u4f4d\u540e&#xff0c;Cortex-M3\u5185\u6838\u786c\u4ef6\u4e25\u683c\u6309\u7167\u67b6\u6784\u5b9a\u4e49&#xff0c;\u81ea\u52a8\u6267\u884c\u4ee5\u4e0b\u4e0d\u53ef\u6253\u65ad\u7684\u5e8f\u5217&#xff1a;<\/p>\n<li>\u52a0\u8f7d\u4e3b\u5806\u6808\u6307\u9488&#xff1a;\u4ece\u5730\u5740 0x00000000 \u8bfb\u53d64\u5b57\u8282\u6570\u636e&#xff0c;\u76f4\u63a5\u5199\u5165MSP\u5bc4\u5b58\u5668\u3002\u7531\u4e8e\u7b2c\u4e00\u9636\u6bb5\u7684\u91cd\u5b9a\u5411&#xff0c;\u6b64\u6570\u636e\u5b9e\u9645\u6765\u81ea\u88ab\u6620\u5c04\u7684\u7269\u7406\u5b58\u50a8\u5668\u3002<\/li>\n<li>\u52a0\u8f7d\u7a0b\u5e8f\u8ba1\u6570\u5668&#xff1a;\u4ece\u5730\u5740 0x00000004 \u8bfb\u53d64\u5b57\u8282\u6570\u636e&#xff0c;\u76f4\u63a5\u5199\u5165PC\u5bc4\u5b58\u5668\u3002\u540c\u6837&#xff0c;\u8be5\u6570\u636e\u5b9e\u9645\u6765\u81ea\u6620\u5c04\u7684\u7269\u7406\u5b58\u50a8\u5668\u3002 \u4f5c\u7528&#xff1a;\u8fd9\u4e24\u4e2a\u5f3a\u5236\u52a0\u8f7d\u52a8\u4f5c\u662f\u7cfb\u7edf\u542f\u52a8\u7684\u7edd\u5bf9\u6838\u5fc3\u3002MSP\u7684\u5efa\u7acb\u4e3a\u5373\u5c06\u6267\u884c\u7684C\u4ee3\u7801\u548c\u4efb\u4f55\u53ef\u80fd\u7acb\u5373\u53d1\u751f\u7684\u5f02\u5e38\u63d0\u4f9b\u4e86\u81f3\u5173\u91cd\u8981\u7684\u6808\u5185\u5b58\u7a7a\u95f4&#xff0c;\u8fd9\u662f\u51fd\u6570\u8c03\u7528\u548c\u5c40\u90e8\u53d8\u91cf\u5f97\u4ee5\u5b58\u5728\u7684\u57fa\u7840\u3002PC\u7684\u52a0\u8f7d\u5219\u7c97\u66b4\u5730\u593a\u8fc7\u4e86\u7a0b\u5e8f\u6267\u884c\u6d41&#xff0c;\u5c06\u5176\u8df3\u8f6c\u5230\u9884\u8bbe\u7684\u5165\u53e3\u51fd\u6570&#xff08;Reset_Handler&#xff09;&#xff0c;\u4ece\u800c\u5c06\u63a7\u5236\u6743\u4ece\u786c\u4ef6\u903b\u8f91\u79fb\u4ea4\u7ed9\u8f6f\u4ef6\u6307\u4ee4\u3002\u6b64\u9636\u6bb5\u8fc7\u540e&#xff0c;\u7cfb\u7edf\u5df2\u5177\u5907\u8fd0\u884c\u9ad8\u7ea7\u4ee3\u7801\u7684\u57fa\u672c\u6761\u4ef6\u3002<\/li>\n<p>\u7b2c\u4e09\u9636\u6bb5&#xff1a;\u8f6f\u4ef6\u521d\u59cb\u5316\u4e0e\u91cd\u5b9a\u5411\u5c42 \u2014\u2014 \u5b9e\u73b0\u201c\u52a8\u6001\u6269\u5c55\u201d \u63a7\u5236\u6743\u79fb\u4ea4\u81f3 Reset_Handler \u540e&#xff0c;\u5f00\u53d1\u8005\u8f6f\u4ef6\u5f00\u59cb\u4e3b\u5bfc\u3002\u6b64\u9636\u6bb5\u7684\u9996\u8981\u64cd\u4f5c\u901a\u5e38\u662f\u521d\u59cb\u5316\u7cfb\u7edf\u65f6\u949f\u3001\u5185\u5b58\u7b49\u3002\u800c\u5176\u6700\u6838\u5fc3\u7684\u7075\u6d3b\u6027\u4f53\u73b0\u5728&#xff1a;<\/p>\n<ul>\n<li>\u91cd\u5b9a\u5411\u5411\u91cf\u8868&#xff1a;\u901a\u8fc7\u5411VTOR\u5bc4\u5b58\u5668\u5199\u5165\u4e00\u4e2a\u65b0\u7684\u57fa\u5730\u5740&#xff0c;\u8f6f\u4ef6\u53ef\u4ee5\u52a8\u6001\u5730\u5c06\u6574\u4e2a\u5f02\u5e38\u5411\u91cf\u8868\u91cd\u5b9a\u4f4d\u5230\u5185\u5b58\u4e2d\u7684\u4efb\u4f55\u4f4d\u7f6e\u3002 \u4f5c\u7528&#xff1a;VTOR\u64cd\u4f5c\u6539\u53d8\u4e86CPU\u5185\u6838\u5185\u90e8\u7528\u4e8e\u67e5\u627e\u5f02\u5e38\u5904\u7406\u7a0b\u5e8f\u7684\u57fa\u51c6\u6307\u9488\u3002\u8fd9\u5b9e\u73b0\u4e86\u8fd0\u884c\u65f6\u5c42\u9762\u4e0a\u7684\u201c\u91cd\u6620\u5c04\u201d&#xff0c;\u4f7f\u5f97Bootloader\u4e0e\u5e94\u7528\u7a0b\u5e8f\u3001\u4e0d\u540c\u4efb\u52a1\u6216\u56fa\u4ef6\u7248\u672c\u53ef\u4ee5\u62e5\u6709\u5404\u81ea\u72ec\u7acb\u7684\u5f02\u5e38\u7ba1\u7406\u7cfb\u7edf\u3002\u8fd9\u662f\u6784\u5efa\u590d\u6742\u3001\u53ef\u5347\u7ea7\u5d4c\u5165\u5f0f\u7cfb\u7edf\u7684\u5173\u952e&#xff0c;\u5b83\u8d4b\u4e88\u4e86\u8f6f\u4ef6\u5728\u786c\u4ef6\u8bbe\u5b9a\u7684\u56fa\u5b9a\u8d77\u70b9\u4e4b\u4e0a&#xff0c;\u5b9a\u4e49\u672a\u6765\u8fd0\u884c\u65f6\u89c4\u5219\u7684\u5f3a\u5927\u80fd\u529b\u3002<\/li>\n<\/ul>\n<p>\u603b\u7ed3&#xff1a; Cortex-M3\u7684\u5171\u540c\u542f\u52a8\u6d41\u7a0b\u53ef\u7cbe\u70bc\u4e3a&#xff1a;\u201c\u786c\u4ef6\u56fa\u5b9a\u6620\u5c04\u6e90\u5934 \u2192 \u5185\u6838\u5f3a\u5236\u52a0\u8f7d\u6808\u4e0e\u5165\u53e3 \u2192 \u8f6f\u4ef6\u81ea\u7531\u91cd\u5b9a\u89c4\u5219\u201d\u3002<\/p>\n<hr \/>\n<hr \/>\n<h2>\u5728cortex m3\u4e2d&#xff0c;\u590d\u4f4d\u4fe1\u53f7<\/h2>\n<p>\u5728Cortex-M3\u7cfb\u7edf\u4e2d&#xff0c;\u590d\u4f4d\u662f\u8ba9\u6574\u4e2a\u82af\u7247\u4ece\u786e\u5b9a\u72b6\u6001\u91cd\u65b0\u5f00\u59cb\u7684\u6839\u672c\u673a\u5236\u3002\u4e3b\u8981\u5206\u4e3a\u7531\u82af\u7247\u5382\u5546\u5b9e\u73b0\u7684\u7269\u7406\u590d\u4f4d\u6e90\u548c\u7531ARM\u5185\u6838\u5b9a\u4e49\u4e0e\u54cd\u5e94\u7684\u590d\u4f4d\u7c7b\u578b\u3002<\/p>\n<p>\u4e3b\u8981\u7684\u590d\u4f4d\u4fe1\u53f7\u53ca\u5176\u4f5c\u7528 \u6839\u636eCortex-M3\u6280\u672f\u53c2\u8003\u624b\u518c&#xff0c;\u4ece\u5185\u6838\u89c6\u89d2\u770b&#xff0c;\u590d\u4f4d\u4e3b\u8981\u5206\u4e3a\u4e09\u7c7b&#xff0c;\u5b83\u4eec\u7684\u4f5c\u7528\u57df\u548c\u4e25\u683c\u7a0b\u5ea6\u4e0d\u540c\u3002 \u4e0a\u7535\u590d\u4f4d<\/p>\n<ul>\n<li>\u4fe1\u53f7\/\u6e90\u5934&#xff1a;\u901a\u5e38\u7531\u82af\u7247\u7684\u7535\u6e90\u7ba1\u7406\u7535\u8def\u6216\u5916\u90e8\u590d\u4f4d\u5f15\u811a&#xff08;\u5982nRST&#xff09;\u4ea7\u751f\u3002\u8fd9\u662f\u6700\u5f7b\u5e95\u3001\u6700\u6839\u672c\u7684\u590d\u4f4d\u3002<\/li>\n<li>\u4f5c\u7528&#xff1a;\u5c06\u82af\u7247\u6240\u6709\u6570\u5b57\u903b\u8f91\u548c\u6a21\u62df\u7535\u8def&#xff08;\u5982PLL\u3001\u7a33\u538b\u5668&#xff09;\u6062\u590d\u5230\u786e\u5b9a\u7684\u521d\u59cb\u72b6\u6001\u3002\u5b83\u53d1\u751f\u5728\u82af\u7247\u521a\u901a\u7535\u6216\u7535\u6e90\u7535\u538b\u8dcc\u843d\u5230\u5b89\u5168\u9608\u503c\u4ee5\u4e0b\u65f6\u3002<\/li>\n<li>\u786c\u4ef6\u5f71\u54cd&#xff1a;\u6240\u6709\u5bc4\u5b58\u5668\u3001\u5b58\u50a8\u5355\u5143\u3001\u72b6\u6001\u673a\u90fd\u88ab\u6e05\u96f6\u6216\u7f6e\u4e3a\u521d\u59cb\u503c\u3002 \u7cfb\u7edf\u590d\u4f4d<\/li>\n<li>\u4fe1\u53f7\/\u6e90\u5934&#xff1a;\n<ul>\n<li>\u5916\u90e8\u590d\u4f4d\u5f15\u811a&#xff08;nRST&#xff09;\u3002<\/li>\n<li>\u770b\u95e8\u72d7\u5b9a\u65f6\u5668\u8d85\u65f6&#xff08;\u72ec\u7acb\u770b\u95e8\u72d7\u6216\u7a97\u53e3\u770b\u95e8\u72d7&#xff09;\u3002<\/li>\n<li>\u7535\u6e90\u68c0\u6d4b&#xff08;\u5982\u6b20\u538b\u590d\u4f4dBOR&#xff09;\u3002<\/li>\n<li>\u8f6f\u4ef6\u8bf7\u6c42&#xff08;\u901a\u8fc7\u7f6e\u4f4d AIRCR.SYSRESETREQ \u5bc4\u5b58\u5668\u4f4d&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4f5c\u7528&#xff1a;\u590d\u4f4d\u5904\u7406\u5668\u5185\u6838\u548c\u51e0\u4e4e\u6240\u6709\u7684\u7247\u4e0a\u5916\u8bbe&#xff08;\u9664\u4e86\u4e00\u4e9b\u7279\u5b9a\u7684\u201c\u5907\u4efd\u57df\u201d\u5916\u8bbe&#xff0c;\u5982RTC\u3001\u5907\u4efd\u5bc4\u5b58\u5668&#xff09;\u3002\u5b83\u4e0d\u5f71\u54cd\u5904\u7406\u5668\u7684\u8c03\u8bd5\u903b\u8f91&#xff0c;\u4f7f\u5f97\u8c03\u8bd5\u5668\u5728\u7cfb\u7edf\u590d\u4f4d\u540e\u4ecd\u80fd\u4fdd\u6301\u8fde\u63a5\u548c\u63a7\u5236\u3002<\/li>\n<li>\u786c\u4ef6\u5f71\u54cd&#xff1a;MSP\u3001PC\u3001\u901a\u7528\u5bc4\u5b58\u5668\u3001\u7cfb\u7edf\u63a7\u5236\u5bc4\u5b58\u5668&#xff08;SCB&#xff09;\u4ee5\u53ca\u6240\u6709\u5916\u8bbe\u5bc4\u5b58\u5668&#xff08;\u9664\u5907\u4efd\u57df&#xff09;\u88ab\u91cd\u7f6e\u3002 \u5904\u7406\u5668\u5185\u6838\u590d\u4f4d<\/li>\n<li>\u4fe1\u53f7\/\u6e90\u5934&#xff1a;\u901a\u5e38\u7531\u8c03\u8bd5\u7cfb\u7edf&#xff08;\u901a\u8fc7JTAG\/SWD\u63a5\u53e3&#xff09;\u53d1\u8d77&#xff0c;\u4f8b\u5982\u5728\u8c03\u8bd5\u5668\u4e2d\u70b9\u51fb\u201cCPU Reset\u201d\u3002<\/li>\n<li>\u4f5c\u7528&#xff1a;\u4ec5\u590d\u4f4dCortex-M3\u5904\u7406\u5668\u5185\u6838&#xff08;\u5305\u62ec\u5bc4\u5b58\u5668\u3001\u6d41\u6c34\u7ebf\u3001\u5185\u90e8\u72b6\u6001\u673a&#xff09;&#xff0c;\u800c\u5b8c\u5168\u4e0d\u89e6\u52a8\u82af\u7247\u4e0a\u7684\u5b58\u50a8\u5668\u7cfb\u7edf\u548c\u5916\u8bbe\u3002<\/li>\n<li>\u786c\u4ef6\u5f71\u54cd&#xff1a;PC\u3001MSP\u3001\u901a\u7528\u5bc4\u5b58\u5668\u3001\u5185\u6838\u72b6\u6001\u5bc4\u5b58\u5668&#xff08;\u5982CONTROL, PRIMASK&#xff09;\u88ab\u91cd\u7f6e&#xff0c;\u4f46SRAM\u4e2d\u7684\u6570\u636e\u3001Flash\u5185\u5bb9\u3001\u5916\u8bbe\u7684\u914d\u7f6e\u548c\u72b6\u6001\u5168\u90e8\u4fdd\u6301\u539f\u6837\u3002\u8fd9\u662f\u8c03\u8bd5\u65f6\u975e\u5e38\u6709\u7528\u7684\u529f\u80fd&#xff0c;\u53ef\u4ee5\u53ea\u8ba9CPU\u91cd\u65b0\u5f00\u59cb\u6267\u884c&#xff0c;\u800c\u4e0d\u7834\u574f\u5f53\u524d\u7684\u7a0b\u5e8f\u8fd0\u884c\u73af\u5883\u3002 \u4e09\u8005\u5173\u7cfb\u603b\u7ed3&#xff1a;\u4e0a\u7535\u590d\u4f4d \u2283 \u7cfb\u7edf\u590d\u4f4d \u2283 \u5904\u7406\u5668\u5185\u6838\u590d\u4f4d\u3002\u4e0a\u7535\u590d\u4f4d\u8303\u56f4\u6700\u5e7f&#xff0c;\u5904\u7406\u5668\u5185\u6838\u590d\u4f4d\u8303\u56f4\u6700\u7a84\u3001\u6700\u7cbe\u786e\u3002<\/li>\n<\/ul>\n<p>\u786c\u4ef6\u4e0a\u7684\u8be6\u7ec6\u64cd\u4f5c\u6d41\u7a0b&#xff08;\u4ee5\u7cfb\u7edf\u590d\u4f4d\u4e3a\u4f8b&#xff09; \u4e0b\u9762\u63cf\u8ff0\u4e00\u6b21\u5178\u578b\u7684\u7cfb\u7edf\u590d\u4f4d&#xff08;\u5982\u6309\u4e0b\u5916\u90e8\u590d\u4f4d\u6309\u94ae&#xff09;\u5728\u786c\u4ef6\u5c42\u9762\u5f15\u53d1\u7684\u8fde\u9501\u53cd\u5e94\u3002 \u9636\u6bb5\u4e00&#xff1a;\u590d\u4f4d\u4fe1\u53f7\u7684\u4ea7\u751f\u4e0e\u4f20\u64ad&#xff08;\u7531\u82af\u7247\u7269\u7406\u903b\u8f91\u5b8c\u6210&#xff09;<\/p>\n<li>\u89e6\u53d1&#xff1a;\u7528\u6237\u6309\u4e0b\u590d\u4f4d\u6309\u94ae&#xff0c;\u5bfc\u81f4 nRST \u5f15\u811a\u88ab\u62c9\u4f4e\u3002<\/li>\n<li>\u540c\u6b65\u4e0e\u6d88\u6296&#xff1a;\u82af\u7247\u5185\u90e8\u7684\u590d\u4f4d\u53d1\u751f\u7535\u8def\u68c0\u6d4b\u5230\u8fd9\u4e2a\u4f4e\u7535\u5e73\u3002\u8be5\u7535\u8def\u901a\u5e38\u4f1a\u8fdb\u884c\u6d88\u6296&#xff08;\u8fc7\u6ee4\u6bdb\u523a&#xff09;\u548c\u65f6\u949f\u540c\u6b65&#xff08;\u5c06\u5f02\u6b65\u7684\u590d\u4f4d\u4fe1\u53f7\u540c\u6b65\u5230\u82af\u7247\u7684\u4e3b\u65f6\u949f\u57df&#xff09;&#xff0c;\u9632\u6b62\u4e9a\u7a33\u6001\u3002<\/li>\n<li>\u5e7f\u64ad&#xff1a;\u7ecf\u8fc7\u5904\u7406\u7684\u590d\u4f4d\u6709\u6548\u4fe1\u53f7\u6210\u4e3a\u4e00\u4e2a\u5168\u5c40\u7684 SYSRESETn \u4fe1\u53f7&#xff0c;\u88ab\u540c\u65f6\u5e7f\u64ad\u5230\u82af\u7247\u7684\u5404\u4e2a\u6a21\u5757&#xff1a;\n<ul>\n<li>Cortex-M3 \u5904\u7406\u5668\u5185\u6838<\/li>\n<li>\u6240\u6709\u6570\u5b57\u5916\u8bbe&#xff08;GPIO, UART, TIM\u7b49&#xff09;<\/li>\n<li>\u5b58\u50a8\u5668\u63a7\u5236\u5668&#xff08;Flash, SRAM\u63a5\u53e3&#xff09;<\/li>\n<li>\u603b\u7ebf\u77e9\u9635&#xff08;AHB, APB&#xff09; \u9636\u6bb5\u4e8c&#xff1a;\u5904\u7406\u5668\u5185\u6838\u7684\u54cd\u5e94&#xff08;Cortex-M3\u5185\u6838\u7684\u56fa\u5b9a\u884c\u4e3a&#xff09; \u5f53 SYSRESETn \u4fe1\u53f7\u6709\u6548&#xff08;\u4f4e\u7535\u5e73&#xff09;\u65f6&#xff0c;\u5185\u6838\u7acb\u5373\u505c\u6b62\u5f53\u524d\u6240\u6709\u64cd\u4f5c&#xff0c;\u8fdb\u5165\u590d\u4f4d\u72b6\u6001\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u51bb\u7ed3\u6267\u884c&#xff1a;\n<ul>\n<li>\u7acb\u5373\u7ec8\u6b62\u6b63\u5728\u6d41\u6c34\u7ebf\u4e2d\u6267\u884c\u7684\u6307\u4ee4\u3002<\/li>\n<li>\u6e05\u7a7a\u6574\u4e2a\u6307\u4ee4\u6d41\u6c34\u7ebf\u3002<\/li>\n<li>\u505c\u6b62\u9884\u53d6\u6307\u5355\u5143\u548c\u6240\u6709\u603b\u7ebf\u6d3b\u52a8\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u91cd\u7f6e\u5185\u90e8\u72b6\u6001&#xff1a;\n<ul>\n<li>\u5c06\u6240\u6709\u5185\u90e8\u72b6\u6001\u673a&#xff08;\u5982\u4e2d\u65ad\u5e8f\u5217\u5668\u3001\u603b\u7ebf\u63a5\u53e3\u72b6\u6001\u673a&#xff09;\u5f3a\u5236\u590d\u4f4d\u5230\u521d\u59cb\u72b6\u6001\u3002<\/li>\n<li>\u6e05\u9664\u5199\u7f13\u51b2\u4e2d\u6240\u6709\u672a\u5b8c\u6210\u7684\u6570\u636e\u3002<\/li>\n<li>&#xff08;\u5982\u679c\u5b58\u5728&#xff09;\u5c06MPU\u3001NVIC\u7b49\u5355\u5143\u6062\u590d\u5230\u7981\u7528\u6216\u9ed8\u8ba4\u72b6\u6001\u3002<\/li>\n<li>\u5c06\u8c03\u8bd5\u7ec4\u4ef6\u7f6e\u4e8e\u975e\u4fb5\u5165\u72b6\u6001&#xff08;\u5141\u8bb8\u8c03\u8bd5\u5668\u8fde\u63a5&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u521d\u59cb\u5316\u5173\u952e\u5bc4\u5b58\u5668&#xff1a;\n<ul>\n<li>\u7a0b\u5e8f\u8ba1\u6570\u5668\u88ab\u7f6e\u4e3a\u4e00\u4e2a\u672a\u5b9a\u4e49\u503c&#xff08;\u786c\u4ef6\u5185\u90e8\u72b6\u6001&#xff09;\u3002<\/li>\n<li>\u5806\u6808\u6307\u9488\u3001\u901a\u7528\u5bc4\u5b58\u5668\u7b49\u672a\u88ab\u521d\u59cb\u5316&#xff0c;\u4fdd\u6301\u968f\u673a\u503c&#xff0c;\u76f4\u5230\u4e0b\u4e00\u9636\u6bb5\u88ab\u8f6f\u4ef6\u52a0\u8f7d\u3002 \u9636\u6bb5\u4e09&#xff1a;\u590d\u4f4d\u4fe1\u53f7\u7684\u91ca\u653e\u4e0e\u7cfb\u7edf\u91cd\u542f \u5f53\u5916\u90e8\u590d\u4f4d\u6309\u94ae\u88ab\u91ca\u653e&#xff0c;nRST \u5f15\u811a\u53d8\u9ad8\u540e&#xff0c;\u82af\u7247\u5f00\u59cb\u542f\u52a8\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u540c\u6b65\u91ca\u653e&#xff1a;\u82af\u7247\u5185\u90e8\u7684\u590d\u4f4d\u53d1\u751f\u7535\u8def\u540c\u6837\u5c06\u91ca\u653e\u4fe1\u53f7\u540c\u6b65\u5230\u4e3b\u65f6\u949f&#xff0c;\u786e\u4fdd\u6240\u6709\u6a21\u5757\u5728\u540c\u4e00\u65f6\u949f\u8fb9\u6cbf\u8131\u79bb\u590d\u4f4d\u72b6\u6001\u3002<\/li>\n<li>\u7b49\u5f85\u65f6\u949f\u7a33\u5b9a&#xff1a;\u5982\u679c\u590d\u4f4d\u91ca\u653e\u4e0e\u7cfb\u7edf\u4e3b\u65f6\u949f&#xff08;\u5982\u5916\u90e8\u6676\u632f&#xff09;\u7684\u542f\u52a8\u540c\u65f6\u53d1\u751f&#xff0c;\u786c\u4ef6\u4f1a\u7b49\u5f85\u65f6\u949f\u7a33\u5b9a&#xff08;\u901a\u5e38\u7ecf\u8fc7\u82e5\u5e72\u632f\u8361\u5468\u671f&#xff09;&#xff0c;\u786e\u4fdd\u903b\u8f91\u5728\u53ef\u9760\u7684\u65f6\u949f\u4e0b\u542f\u52a8\u3002<\/li>\n<li>\u5185\u6838\u542f\u52a8\u5e8f\u5217&#xff1a;\u8fd9\u662fCortex-M3\u5185\u6838\u5f3a\u5236\u6027\u3001\u4e0d\u53ef\u66f4\u6539\u7684\u786c\u4ef6\u64cd\u4f5c&#xff1a;\n<ul>\n<li>\u7b2c\u4e00\u6b65&#xff1a;\u5185\u6838\u4ece\u5730\u5740 0x00000000 \u8bfb\u53d6\u7b2c\u4e00\u4e2a\u5b57&#xff08;4\u5b57\u8282&#xff09;&#xff0c;\u5e76\u5c06\u5176\u4f5c\u4e3a\u521d\u59cb\u4e3b\u5806\u6808\u6307\u9488\u503c\u52a0\u8f7d\u5230 MSP (R13) \u5bc4\u5b58\u5668\u4e2d\u3002\u6b64\u65f6&#xff0c;\u8be5\u5730\u5740\u7684\u5b9e\u9645\u7269\u7406\u4f4d\u7f6e\u7531\u82af\u7247\u7684BOOT\u5f15\u811a\u914d\u7f6e\u51b3\u5b9a&#xff08;\u6620\u5c04\u5230\u4e3bFlash\u3001\u7cfb\u7edf\u5b58\u50a8\u5668\u6216SRAM&#xff09;\u3002<\/li>\n<li>\u7b2c\u4e8c\u6b65&#xff1a;\u5185\u6838\u4ece\u5730\u5740 0x00000004 \u8bfb\u53d6\u7b2c\u4e8c\u4e2a\u5b57&#xff0c;\u8fd9\u4e2a\u503c\u5c31\u662f\u590d\u4f4d\u5411\u91cf\u2014\u2014Reset_Handler\u51fd\u6570\u7684\u5165\u53e3\u5730\u5740\u3002\u5185\u6838\u5c06\u8fd9\u4e2a\u5730\u5740\u52a0\u8f7d\u5230 PC (R15) \u5bc4\u5b58\u5668\u4e2d\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5916\u8bbe\u4e0e\u5b58\u50a8\u5668\u7684\u542f\u52a8&#xff1a;\u4e0e\u6b64\u540c\u65f6&#xff0c;\u603b\u7ebf\u77e9\u9635\u3001\u5b58\u50a8\u5668\u63a7\u5236\u5668\u548c\u5404\u5916\u8bbe\u5728\u8131\u79bb\u590d\u4f4d\u540e&#xff0c;\u4e5f\u8fdb\u884c\u5404\u81ea\u7684\u9ed8\u8ba4\u521d\u59cb\u5316\u3002Flash\u63a7\u5236\u5668\u53ef\u80fd\u8fdb\u5165\u8bfb\u53d6\u72b6\u6001&#xff0c;SRAM\u53d8\u5f97\u53ef\u8bbf\u95ee&#xff0c;\u6240\u6709\u5916\u8bbe\u5bc4\u5b58\u5668\u6062\u590d\u4e3a\u590d\u4f4d\u9ed8\u8ba4\u503c&#xff08;\u901a\u5e38\u4e3a0x00000000&#xff09;\u3002<\/li>\n<li>\u8f6f\u4ef6\u63a5\u7ba1&#xff1a;PC\u8df3\u8f6c\u5230 Reset_Handler&#xff0c;\u8f6f\u4ef6\u7684\u7b2c\u4e00\u6761\u6307\u4ee4\u5f00\u59cb\u6267\u884c\u3002\u8f6f\u4ef6\u968f\u540e\u4f1a&#xff1a;\n<ul>\n<li>\u521d\u59cb\u5316\u7cfb\u7edf\u65f6\u949f\u3002<\/li>\n<li>\u5c06 .data \u6bb5\u4eceFlash\u590d\u5236\u5230SRAM&#xff08;\u53d8\u91cf\u521d\u59cb\u5316&#xff09;\u3002<\/li>\n<li>\u5c06 .bss \u6bb5\u6e05\u96f6&#xff08;\u672a\u521d\u59cb\u5316\u5168\u5c40\u53d8\u91cf\u6e05\u96f6&#xff09;\u3002<\/li>\n<li>\u8bbe\u7f6e\u5411\u91cf\u8868\u504f\u79fb\u5bc4\u5b58\u5668&#xff08;VTOR&#xff09;\u3002<\/li>\n<li>\u6700\u7ec8\u8c03\u7528 main() \u51fd\u6570&#xff0c;\u5e94\u7528\u7a0b\u5e8f\u6b63\u5f0f\u5f00\u59cb\u8fd0\u884c\u3002<\/li>\n<\/ul>\n<\/li>\n<p>\u4ee5\u4e0b\u662fCortex-M3\u6743\u5a01\u6307\u5357Cn\u539f\u6587&#xff1a; \u57fa\u4e8eCM3\u7684\u5355\u7247\u673a\u5bf9\u590d\u4f4d\u7535\u8def\u6709\u7279\u5b9a\u7684\u8981\u6c42&#xff0c;\u5177\u4f53\u5185\u5bb9\u5728\u300aCortex\u2010M3 Technical Reference Manual(Ref1)\u300b\u4e2d\u7ed9\u51fa&#xff0c;\u5b83\u5217\u51fa\u4e86\u82e5\u5e72\u4e2a\u53ef\u4ee5\u4f7f\u7528\u7684\u590d\u4f4d\u4fe1\u53f7\u3002\u4e0d\u8fc7&#xff0c;\u5b9e\u73b0\u6210\u5355\u7247\u673a\u540e&#xff0c;\u5f80\u5f80\u53ea\u7528\u5230\u4e861\u81f32\u4e2a\u3002\u81f3\u4f59\u5176\u5b83\u7684&#xff0c;\u82af\u7247\u5382\u5546\u4f1a\u5728\u82af\u7247\u4e2d\u5e03\u8bbe\u590d\u4f4d\u4fe1\u53f7\u53d1\u751f\u5668&#xff0c;\u7531\u5b83\u5728\u5185\u90e8\u4ea7\u751f\u5269\u4f59\u7684\u590d\u4f4d\u4fe1\u53f7\u3002\u7ec6\u8282\u9700\u8981\u53c2\u8003\u5236\u9020\u5546\u63d0\u4f9b\u7684\u6570\u636e\u624b\u518c&#xff0c;\u4ee5\u83b7\u53d6\u5982\u4f55\u6b63\u786e\u590d\u4f4d\u5176\u82af\u7247\u7684\u4fe1\u606f\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260124132419-6974c8037193c.png\" alt=\"![[\u5178\u578b\u7684Cortex-M3\u82af\u7247\u5185\u90e8\u590d\u4f4d\u4fe1\u53f7\u548c\u5176\u4f5c\u7528\u8303\u56f4\u793a\u610f\u56fe.png]]\" \/><\/p>\n<hr \/>\n<hr \/>\n<h2>\u5728cortex m3 \u4e2d&#xff0c;VTOR\u7684\u91cd\u6620\u5c04\u4e0eBOOT\u5f15\u811a\u7684\u91cd\u6620\u5c04<\/h2>\n<p>\u53ef\u4ee5\u7528\u4e00\u4e2a\u7cbe\u51c6\u7684\u6bd4\u55bb\u6765\u5b9a\u4f4d&#xff1a;<\/p>\n<ul>\n<li>BOOT\u5f15\u811a\u91cd\u6620\u5c04&#xff0c;\u89e3\u51b3\u7684\u662f \u201c\u7269\u7406\u4f4d\u7f6e\u201d \u95ee\u9898\u3002\u5373&#xff1a;CPU\u7684\u5f15\u811a\u53d1\u51fa\u7684\u7535\u4fe1\u53f7&#xff0c;\u6700\u7ec8\u5230\u8fbe\u54ea\u4e00\u5757\u7269\u7406\u82af\u7247\u7684\u5f15\u811a\u3002<\/li>\n<li>VTOR\u91cd\u6620\u5c04&#xff0c;\u89e3\u51b3\u7684\u662f \u201c\u903b\u8f91\u5bfb\u5740\u201d \u95ee\u9898\u3002\u5373&#xff1a;CPU\u5185\u90e8\u6267\u884c\u6307\u4ee4\u65f6&#xff0c;\u7528\u4e8e\u8ba1\u7b97\u5730\u5740\u7684\u90a3\u4e2a\u57fa\u51c6\u6570\u503c\u662f\u4ec0\u4e48\u3002<\/li>\n<\/ul>\n<p>\u4e0b\u9762\u4ece\u56db\u4e2a\u6838\u5fc3\u7ef4\u5ea6\u8fdb\u884c\u5256\u6790&#xff1a; 1. \u64cd\u4f5c\u4e3b\u4f53\u4e0e\u63a7\u5236\u5c42\u7ea7<\/p>\n<ul>\n<li>BOOT\u5f15\u811a\u91cd\u6620\u5c04&#xff1a;\u8fd9\u662f\u82af\u7247\u5236\u9020\u5546&#xff08;\u5982ST\u3001NXP&#xff09;\u5728\u5176\u7845\u7247\u8bbe\u8ba1\u4e2d\u5b9e\u73b0\u7684\u7269\u7406\u7535\u8def\u529f\u80fd\u3002\u5b83\u4f4d\u4e8e\u5904\u7406\u5668\u5185\u6838\u4e4b\u5916&#xff0c;\u5c5e\u4e8e\u201c\u82af\u7247\u7ea7\u201d\u6216\u201c\u677f\u7ea7\u201d\u786c\u4ef6\u3002\u7528\u6237\u901a\u8fc7\u8bbe\u7f6e\u5f15\u811a\u7535\u5e73\u6765\u201c\u89e6\u53d1\u201d\u8fd9\u4e2a\u9884\u8bbe\u529f\u80fd&#xff0c;\u4f46\u65e0\u6cd5\u6539\u53d8\u5176\u7535\u8def\u903b\u8f91\u3002<\/li>\n<li>VTOR\u91cd\u6620\u5c04&#xff1a;\u8fd9\u662f\u5904\u7406\u5668\u67b6\u6784&#xff08;ARM Cortex-M3&#xff09;\u5b9a\u4e49\u5e76\u63d0\u4f9b\u7684\u4e00\u4e2a\u8f6f\u4ef6\u53ef\u7f16\u7a0b\u5bc4\u5b58\u5668\u3002\u5b83\u4f4d\u4e8e\u5904\u7406\u5668\u5185\u6838\u4e4b\u5185&#xff0c;\u5c5e\u4e8e\u201c\u5185\u6838\u67b6\u6784\u7ea7\u201d\u7279\u6027\u3002\u5f00\u53d1\u8005\u901a\u8fc7\u7f16\u5199SCB-&gt;VTOR &#061; xxxx\u8fd9\u6837\u7684\u6307\u4ee4\u6765\u201c\u547d\u4ee4\u201d\u5185\u6838\u6539\u53d8\u5176\u5185\u90e8\u884c\u4e3a\u3002 2. \u4f5c\u7528\u65f6\u673a\u4e0e\u53ef\u53d8\u6027<\/li>\n<li>BOOT\u5f15\u811a\u91cd\u6620\u5c04&#xff1a;\u5176\u4f5c\u7528\u53d1\u751f\u5728\u82af\u7247\u4e0a\u7535\u6216\u786c\u590d\u4f4d\u8fc7\u7a0b\u4e2d&#xff0c;\u5728CPU\u5185\u6838\u5f00\u59cb\u53d6\u6307\u4e4b\u524d\u5c31\u5df2\u7ecf\u5b8c\u6210\u3002\u4e00\u65e6\u590d\u4f4d\u7ed3\u675f&#xff0c;\u5728\u6574\u4e2a\u82af\u7247\u8fd0\u884c\u5468\u671f\u5185&#xff0c;\u8fd9\u4e2a\u6620\u5c04\u5173\u7cfb\u56fa\u5b9a\u4e0d\u53d8&#xff0c;\u9664\u975e\u518d\u6b21\u53d1\u751f\u786c\u4ef6\u590d\u4f4d\u5e76\u6539\u53d8\u5f15\u811a\u7535\u5e73\u3002<\/li>\n<li>VTOR\u91cd\u6620\u5c04&#xff1a;\u5176\u4f5c\u7528\u53d1\u751f\u5728CPU\u5df2\u7ecf\u5f00\u59cb\u6267\u884c\u8f6f\u4ef6\u6307\u4ee4\u4e4b\u540e\u3002\u4f60\u53ef\u4ee5\u5728\u7cfb\u7edf\u542f\u52a8\u65f6\u3001\u8fd0\u884c\u4e2d\u3001\u751a\u81f3\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u91cc\u968f\u65f6\u4fee\u6539\u5b83\u3002\u4fee\u6539\u540e&#xff0c;\u5176\u6548\u679c\u7acb\u5373\u751f\u6548&#xff0c;\u4e14\u53ef\u4ee5\u88ab\u518d\u6b21\u4fee\u6539\u3002 3. \u4f5c\u7528\u8303\u56f4\u4e0e\u5f71\u54cd\u5bf9\u8c61<\/li>\n<li>BOOT\u5f15\u811a\u91cd\u6620\u5c04&#xff1a;\u5b83\u5f71\u54cdCPU\u5bf9\u6574\u4e2a\u903b\u8f91\u5730\u5740\u7a7a\u95f4\u6700\u5f00\u5934\u4e00\u6bb5\u533a\u57df&#xff08;\u901a\u5e38\u662f\u6574\u4e2a\u4ee3\u7801\u533a\u6216SRAM\u533a&#xff09;\u7684\u6240\u6709\u8bbf\u95ee\u8bf7\u6c42&#xff0c;\u65e0\u8bba\u8fd9\u4e2a\u8bf7\u6c42\u662f\u53d6\u6307\u4ee4\u3001\u8bfb\u6570\u636e\u8fd8\u662f\u5199\u6570\u636e\u3002\u5b83\u50cf\u4e00\u4e2a\u900f\u660e\u7684\u5730\u5740\u8fc7\u6ee4\u5668&#xff0c;\u5168\u5c40\u751f\u6548\u3002<\/li>\n<li>VTOR\u91cd\u6620\u5c04&#xff1a;\u5b83\u53ea\u4e14\u4ec5\u5f71\u54cdCPU\u5185\u6838\u4e2d\u5f02\u5e38\u5904\u7406\u5355\u5143\u5728\u8fdb\u884c\u201c\u67e5\u627e\u5f02\u5e38\u5904\u7406\u51fd\u6570\u5730\u5740\u201d\u8fd9\u4e00\u7279\u5b9a\u64cd\u4f5c\u65f6\u6240\u4f7f\u7528\u7684\u57fa\u5730\u5740\u3002\u5b83\u5bf9\u666e\u901a\u7684LDR\u3001STR\u7b49\u6570\u636e\u8bbf\u95ee\u6307\u4ee4\u6beb\u65e0\u5f71\u54cd\u3002 4. \u6839\u672c\u76ee\u7684\u4e0e\u8bbe\u8ba1\u54f2\u5b66<\/li>\n<li>BOOT\u5f15\u811a\u91cd\u6620\u5c04&#xff1a;\u5176\u6839\u672c\u76ee\u7684\u662f\u63d0\u4f9b\u786c\u4ef6\u7ea7\u7684\u542f\u52a8\u5bb9\u9519\u548c\u6a21\u5f0f\u9009\u62e9\u3002\u5b83\u8ba9\u4e00\u5757\u7269\u7406\u82af\u7247\u80fd\u7075\u6d3b\u5e94\u5bf9\u4e0d\u540c\u573a\u666f&#xff1a;\u6b63\u5e38\u6a21\u5f0f&#xff08;\u4ece\u7528\u6237Flash\u542f\u52a8&#xff09;\u3001\u6551\u63f4\u6a21\u5f0f&#xff08;\u4ece\u5185\u7f6eBootloader\u542f\u52a8&#xff09;\u3001\u8c03\u8bd5\u6a21\u5f0f&#xff08;\u4eceSRAM\u542f\u52a8&#xff09;\u3002\u8fd9\u662f\u82af\u7247\u5382\u5546\u63d0\u4f9b\u7ed9\u7528\u6237\u7684\u786c\u4ef6\u5de5\u5177\u7bb1\u3002<\/li>\n<li>VTOR\u91cd\u6620\u5c04&#xff1a;\u5176\u6839\u672c\u76ee\u7684\u662f\u5b9e\u73b0\u8f6f\u4ef6\u5c42\u7684\u6a21\u5757\u5316\u89e3\u8026\u4e0e\u52a8\u6001\u8c03\u5ea6\u3002\u5b83\u8ba9\u4e0d\u540c\u7684\u8f6f\u4ef6\u6a21\u5757&#xff08;\u5982Bootloader\u548cApp&#xff09;\u80fd\u62e5\u6709\u5404\u81ea\u5b8c\u5168\u72ec\u7acb\u3001\u4e92\u4e0d\u5e72\u6270\u7684\u4e2d\u65ad\u7ba1\u7406\u7cfb\u7edf&#xff0c;\u5e76\u80fd\u5b9e\u73b0\u8fd0\u884c\u65f6\u7684\u65e0\u7f1d\u5207\u6362\u3002\u8fd9\u662f\u5904\u7406\u5668\u67b6\u6784\u8d4b\u4e88\u8f6f\u4ef6\u7684\u7cfb\u7edf\u63a7\u5236\u6743\u3002<\/li>\n<\/ul>\n<p>\u6838\u5fc3\u5173\u8054&#xff1a;\u5b83\u4eec\u5982\u4f55\u534f\u540c\u5de5\u4f5c \u7406\u89e3\u5b83\u4eec\u5e76\u975e\u7ade\u4e89\u5173\u7cfb&#xff0c;\u800c\u662f\u63a5\u529b\u5173\u7cfb&#xff0c;\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u6700\u5e38\u89c1\u7684\u201c\u4eceFlash\u542f\u52a8\u5e76\u8fd0\u884cBootloader&#043;App\u201d\u4e3a\u4f8b&#xff1a;<\/p>\n<li>\u590d\u4f4d\u77ac\u95f4&#xff1a;BOOT0&#061;0\u7684\u786c\u4ef6\u7535\u8def&#xff0c;\u5c06CPU\u5bf9\u201c0\u5730\u5740\u201d\u7684\u8bbf\u95ee\u7269\u7406\u8fde\u63a5\u5230Flash\u82af\u7247&#xff08;0x08000000&#xff09;\u3002\u8fd9\u662f\u786c\u4ef6\u786e\u4fdd\u4e86\u8d77\u70b9\u6b63\u786e\u3002<\/li>\n<li>\u5185\u6838\u542f\u52a8&#xff1a;CPU\u4ee5\u9ed8\u8ba4VTOR&#061;0\u53bb\u53d6\u5411\u91cf&#xff0c;\u7531\u4e8e\u6b65\u9aa41&#xff0c;\u5b9e\u9645\u4eceFlash\u53d6\u5f97\u6b63\u786e\u503c\u5e76\u8df3\u8f6c\u3002\u786c\u4ef6\u6620\u5c04\u5f15\u5bfc\u4e86\u8f6f\u4ef6\u7684\u521d\u6b21\u6267\u884c\u3002<\/li>\n<li>\u8f6f\u4ef6\u521d\u59cb\u5316&#xff1a;Bootloader\u4ee3\u7801\u6267\u884cSCB-&gt;VTOR &#061; 0x08000000\u3002\u8fd9\u6807\u5fd7\u7740\u8f6f\u4ef6\u5f00\u59cb\u63a5\u7ba1&#xff0c;\u5e76\u5ba3\u5e03&#xff1a;\u201c\u4ece\u6b64\u4ee5\u8fd9\u4e2a\u771f\u5b9e\u7269\u7406\u5730\u5740\u4e3a\u57fa\u51c6&#xff0c;\u4e0d\u518d\u4f9d\u8d56\u90a3\u4e2a\u786c\u4ef6\u628a\u620f\u3002\u201d \u8fd9\u662f\u8f6f\u4ef6\u5efa\u7acb\u786e\u5b9a\u6027\u7684\u7b2c\u4e00\u6b65\u3002<\/li>\n<li>\u8f6f\u4ef6\u8df3\u8f6c&#xff1a;Bootloader\u5728\u8df3\u8f6c\u5230App\u524d&#xff0c;\u6267\u884cSCB-&gt;VTOR &#061; 0x08002000\u3002\u8fd9\u5b8c\u6210\u4e86\u7eaf\u8f6f\u4ef6\u5c42\u9762\u7684\u3001\u7cbe\u7ec6\u7684\u63a7\u5236\u6743\u79fb\u4ea4\u3002\u6b64\u65f6&#xff0c;BOOT\u5f15\u811a\u7684\u6620\u5c04\u65e9\u5df2\u5b8c\u6210\u5176\u5386\u53f2\u4f7f\u547d&#xff0c;\u4e0d\u518d\u53c2\u4e0e\u3002<\/li>\n<hr \/>\n<hr \/>\n<h2>\u5728cortex m3 \u4e2d&#xff0c;\u590d\u4f4d\u4e0e\u542f\u52a8\u4e0e\u91cd\u6620<\/h2>\n<p>\u5728cortex m3 \u4e2d\u590d\u4f4d\u4e5f\u7b97\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u4e2d\u65ad(\u5f02\u5e38)(\u590d\u4f4d\u7684\u5f02\u5e38\u7f16\u53f7 1)\u3002\u5185\u6838\u542f\u52a8\u7684\u786c\u4ef6\u884c\u4e3a&#xff0c;\u672c\u8d28\u4e0a\u5c31\u662f\u5bf9\u7b2c\u4e00\u4e2a\u3001\u4e5f\u662f\u6700\u9ad8\u4f18\u5148\u7ea7\u5f02\u5e38\u7684\u54cd\u5e94\u6d41\u7a0b\u3002<\/p>\n<p>Cortex-M3\u7684\u5f02\u5e38\u5904\u7406\u6a21\u578b\u662f\u7edf\u4e00\u7684&#xff1a;\u53d1\u751f\u5f02\u5e38 -&gt; \u786c\u4ef6\u81ea\u52a8\u6839\u636e\u5f02\u5e38\u7f16\u53f7\u67e5\u627e\u5411\u91cf\u8868 -&gt; \u8df3\u8f6c\u5230\u5904\u7406\u51fd\u6570\u3002\u590d\u4f4d\u5b8c\u5168\u9075\u5faa\u6b64\u6a21\u578b&#xff0c;\u4f46\u5176\u7279\u6b8a\u6027\u5728\u4e8e&#xff1a;<\/p>\n<li>\u89e6\u53d1\u6761\u4ef6\u4e0e\u4e0a\u4e0b\u6587\u4e0d\u540c&#xff1a;\n<ul>\n<li>\u666e\u901a\u5f02\u5e38&#xff1a;\u53d1\u751f\u5728CPU\u8fd0\u884c\u65f6&#xff0c;\u786c\u4ef6\u4f1a\u81ea\u52a8\u538b\u6808\u5f53\u524d\u4e0a\u4e0b\u6587&#xff08;PC&#xff0c; PSR&#xff0c; \u5bc4\u5b58\u5668\u7b49&#xff09;&#xff0c;\u518d\u8df3\u8f6c\u3002<\/li>\n<li>\u590d\u4f4d\u5f02\u5e38&#xff1a;\u53d1\u751f\u5728CPU\u4e0a\u7535\u6216\u590d\u4f4d\u65f6&#xff0c;\u6ca1\u6709\u9700\u8981\u4fdd\u5b58\u7684\u4e0a\u4e0b\u6587&#xff08;\u7cfb\u7edf\u65e0\u72b6\u6001&#xff09;\u3002\u786c\u4ef6\u54cd\u5e94\u540e&#xff0c;\u4e0d\u538b\u6808&#xff0c;\u76f4\u63a5\u8df3\u8f6c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5411\u91cf\u8868\u6761\u76ee\u56fa\u5b9a&#xff1a;\u5728\u5411\u91cf\u8868\u4e2d&#xff0c;\u7b2c\u4e00\u4e2a\u6761\u76ee&#xff08;\u504f\u79fb0x0&#xff09;\u662fMSP\u521d\u503c&#xff0c;\u7b2c\u4e8c\u4e2a\u6761\u76ee&#xff08;\u504f\u79fb0x4&#xff09;\u5c31\u662f\u590d\u4f4d\u5f02\u5e38&#xff08;\u5f02\u5e381&#xff09;\u7684\u5904\u7406\u51fd\u6570\u5730\u5740&#xff0c;\u5373 Reset_Handler\u3002\u8fd9\u4e0e\u5176\u4ed6\u5f02\u5e38&#xff08;\u5982\u4e2d\u65ad\u53f70\u5bf9\u5e94\u504f\u79fb0x40&#xff09;\u7684\u5b9a\u4f4d\u65b9\u5f0f\u5b8c\u5168\u76f8\u540c&#xff1a;\u5f02\u5e38\u5165\u53e3\u5730\u5740 &#061; \u5411\u91cf\u8868\u57fa\u5730\u5740 &#043; \u5f02\u5e38\u7f16\u53f7 \u00d7 4\u3002<\/li>\n<li>\u4f7f\u7528\u76f8\u540c\u7684\u786c\u4ef6\u8def\u5f84&#xff1a;\u65e0\u8bba\u662f\u590d\u4f4d\u3001\u4e2d\u65ad\u8fd8\u662f\u7cfb\u7edf\u8c03\u7528&#xff0c;CPU\u8df3\u8f6c\u5230\u5904\u7406\u51fd\u6570\u7684\u786c\u4ef6\u903b\u8f91\u662f\u540c\u4e00\u5957\u3002\u590d\u4f4d\u53ea\u662f\u8fd9\u4e2a\u901a\u7528\u673a\u5236\u7684\u201c\u9996\u6b21\u8c03\u7528\u201d\u3002<\/li>\n<p>\u5728\u542f\u52a8\u4e0e\u91cd\u6620\u5c04\u6d41\u7a0b\u4e2d\u7684\u5177\u4f53\u4f53\u73b0 \u6574\u4e2a\u542f\u52a8\u4e0e\u91cd\u6620\u5c04\u8fc7\u7a0b&#xff0c;\u5c31\u662f\u8fd9\u5957\u5f02\u5e38\u5904\u7406\u673a\u5236\u4ece\u201c\u56fa\u5b9a\u201d\u5230\u201c\u53ef\u914d\u7f6e\u201d\u7684\u5c55\u73b0\u3002 \u7b2c\u4e00\u9636\u6bb5&#xff1a;\u786c\u4ef6\u5f3a\u5236\u6267\u884c\u7684\u201c\u521d\u59cb\u5f02\u5e38\u54cd\u5e94\u201d \u8fd9\u662f\u590d\u4f4d\u5f02\u5e38\u6700\u201c\u7279\u6b8a\u201d\u7684\u5730\u65b9&#xff0c;\u56e0\u4e3a\u5b83\u53d1\u751f\u65f6&#xff0c;\u7cfb\u7edf\u6ca1\u6709\u4efb\u4f55\u914d\u7f6e\u3002<\/p>\n<li>\u9ed8\u8ba4\u7684\u5411\u91cf\u8868\u57fa\u5730\u5740&#xff1a;\u5185\u6838\u786c\u4ef6\u56fa\u5b9a\u5047\u8bbe\u5f53\u524d\u5411\u91cf\u8868\u57fa\u5730\u5740 VTOR &#061; 0x00000000\u3002\u8fd9\u662f\u590d\u4f4d\u5f02\u5e38\u54cd\u5e94\u7684\u8d77\u70b9\u3002<\/li>\n<li>\u82af\u7247\u7ea7\u7269\u7406\u6620\u5c04&#xff08;\u51b3\u5b9a\u201c0\u5730\u5740\u201d\u662f\u8c01&#xff09;&#xff1a;BOOT\u5f15\u811a\u914d\u7f6e\u7684\u786c\u4ef6\u91cd\u6620\u5c04&#xff0c;\u51b3\u5b9a\u4e86\u7269\u7406\u4e0a\u54ea\u4e2a\u5b58\u50a8\u5668&#xff08;\u4e3bFlash\u3001\u7cfb\u7edfROM\u3001SRAM&#xff09;\u5360\u636e\u4e86\u8fd9\u4e2a\u903b\u8f910\u5730\u5740\u3002\u8fd9\u76f8\u5f53\u4e8e\u5728\u786c\u4ef6\u5c42\u9762&#xff0c;\u4e3a\u201c\u96f6\u72b6\u6001\u201d\u7684CPU\u9884\u9009\u4e86\u7b2c\u4e00\u5f20\u5f02\u5e38\u5411\u91cf\u8868\u4f4d\u4e8e\u54ea\u5757\u7269\u7406\u4ecb\u8d28\u4e0a\u3002<\/li>\n<li>\u6267\u884c\u56fa\u5b9a\u54cd\u5e94\u5e8f\u5217&#xff1a;CPU\u50cf\u54cd\u5e94\u4efb\u4f55\u5f02\u5e38\u4e00\u6837&#xff0c;\u53bb\u83b7\u53d6\u5904\u7406\u5165\u53e3&#xff1a;\n<ul>\n<li>\u52a0\u8f7dMSP&#xff1a;\u4ece VTOR &#043; 0x0 (\u5373 0x00000000) \u8bfb\u53d6\u503c(\u786c\u4ef6\u8bbf\u95ee0x00000000&#xff0c;\u5b9e\u9645\u8bfb\u53d6\u7684\u662f0x08000000\u7684\u5185\u5bb9)&#xff0c;\u88c5\u5165MSP\u3002\u8fd9\u672c\u8eab\u5c31\u662f\u4ece\u5411\u91cf\u8868\u8bfb\u53d6\u6570\u636e&#xff0c;\u4e3a\u540e\u7eed\u4efb\u4f55\u5f02\u5e38&#xff08;\u5305\u62ec\u590d\u4f4d\u5904\u7406\u51fd\u6570\u81ea\u8eab\u7684C\u4ee3\u7801&#xff09;\u63d0\u4f9b\u6808\u7a7a\u95f4\u3002<\/li>\n<li>\u52a0\u8f7dPC&#xff1a;\u4ece VTOR &#043; 1 \u00d7 4 (\u5373 0x00000004) \u8bfb\u53d6\u503c(\u786c\u4ef6\u8bbf\u95ee0x00000004&#xff0c;\u5b9e\u9645\u8bfb\u53d6\u7684\u662f0x08000004\u7684\u5185\u5bb9)&#xff0c;\u88c5\u5165PC\u3002\u8fd9\u6b63\u662f\u8bfb\u53d6\u201c\u590d\u4f4d\u5f02\u5e38&#xff08;\u7f16\u53f71&#xff09;\u7684\u5165\u53e3\u5730\u5740\u201d\u3002<\/li>\n<li>\u6b64\u540e&#xff0c;CPU\u5f00\u59cb\u6267\u884c Reset_Handler&#xff0c;\u5c31\u50cf\u8fdb\u5165\u4efb\u4f55\u4e00\u4e2a\u5f02\u5e38\u5904\u7406\u51fd\u6570\u4e00\u6837\u3002 \u8fd9\u4e2a\u9636\u6bb5\u7684\u6838\u5fc3\u4f53\u73b0\u662f&#xff1a;\u786c\u4ef6\u7528\u56fa\u5b9a\u9ed8\u8ba4\u7684VTOR&#xff08;0&#xff09; \u548c\u56fa\u5b9a\u7684\u5f02\u5e38\u7f16\u53f7&#xff08;1&#xff09;&#xff0c;\u6267\u884c\u4e86\u4e00\u6b21\u65e0\u6cd5\u88ab\u4e2d\u65ad\u6216\u62a2\u5360\u7684\u3001\u6700\u4f18\u5148\u7684\u5f02\u5e38\u54cd\u5e94&#xff0c;\u4ece\u800c\u5c06\u7cfb\u7edf\u4ece\u201c\u65e0\u673a\u201d\u72b6\u6001\u5e26\u5165\u201c\u6709\u5e8f\u201d\u7684\u8f6f\u4ef6\u4e16\u754c\u3002 \u7b2c\u4e8c\u9636\u6bb5&#xff1a;\u8f6f\u4ef6\u91cd\u6620\u5c04&#xff08;\u63a5\u7ba1\u5f02\u5e38\u7cfb\u7edf\u7684\u63a7\u5236\u6743&#xff09; \u5f53 Reset_Handler \u5f00\u59cb\u8fd0\u884c\u540e&#xff0c;\u8f6f\u4ef6\u5c31\u83b7\u5f97\u4e86\u91cd\u65b0\u914d\u7f6e\u6574\u4e2a\u5f02\u5e38\u7cfb\u7edf\u7684\u80fd\u529b&#xff0c;\u8fd9\u6b63\u662f\u901a\u8fc7\u64cd\u4f5c\u5f02\u5e38\u5904\u7406\u673a\u5236\u7684\u6838\u5fc3\u2014\u2014\u5411\u91cf\u8868\u504f\u79fb\u5bc4\u5b58\u5668VTOR\u6765\u5b9e\u73b0\u7684\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u91cd\u5b9a\u4f4d\u5411\u91cf\u8868&#xff1a;\u5728 Reset_Handler \u4e2d&#xff0c;\u8f6f\u4ef6\u53ef\u4ee5\u5c06VTOR\u7684\u503c\u4fee\u6539\u4e3a\u65b0\u7684\u57fa\u5730\u5740&#xff08;\u5982 0x08020000&#xff09;\u3002\u8fd9\u4e2a\u64cd\u4f5c\u4e00\u65e6\u5b8c\u6210&#xff0c;\u5c31\u91cd\u6620\u5c04\u4e86\u6574\u4e2a\u5f02\u5e38\u7cfb\u7edf\u3002\n<ul>\n<li>\u610f\u4e49&#xff1a;\u6b64\u540e&#xff0c;\u6240\u6709\u5f02\u5e38&#xff08;\u5305\u62ec\u590d\u4f4d\u3001NMI\u3001\u786c\u9519\u8bef\u4ee5\u53ca\u6240\u6709\u5916\u8bbe\u4e2d\u65ad&#xff09;\u7684\u5165\u53e3\u5730\u5740\u8ba1\u7b97&#xff0c;\u90fd\u5c06\u57fa\u4e8e\u65b0\u7684\u57fa\u5740\u3002\u4f8b\u5982&#xff0c;\u6b64\u65f6\u5982\u679c\u53d1\u751f\u4e2d\u65ad#42&#xff0c;\u786c\u4ef6\u5c06\u81ea\u52a8\u524d\u5f80 0x08030000 &#043; 0xA8 (42*4&#061;0xA8) \u5904\u8bfb\u53d6\u5904\u7406\u51fd\u6570\u5730\u5740\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5728Bootloader\/\u5e94\u7528\u5207\u6362\u4e2d\u7684\u5e94\u7528&#xff1a;\n<ul>\n<li>Bootloader\u8fd0\u884c\u5728 0x08000000&#xff0c;\u5176VTOR\u6307\u5411\u81ea\u8eab\u3002<\/li>\n<li>\u5f53Bootloader\u51c6\u5907\u8df3\u8f6c\u5230\u4f4d\u4e8e 0x08020000 \u7684\u5e94\u7528\u7a0b\u5e8f\u65f6&#xff0c;\u5b83\u505a\u4e24\u4ef6\u6838\u5fc3\u4e8b&#xff1a;\n<li>\u8bbe\u7f6eVTOR&#xff1a;\u5c06VTOR\u6539\u4e3a 0x08020000&#xff0c;\u5c06\u5f02\u5e38\u7cfb\u7edf\u6307\u6325\u6743\u4ea4\u7ed9\u5e94\u7528\u7a0b\u5e8f\u3002<\/li>\n<li>\u8df3\u8f6c\u5230\u5e94\u7528\u590d\u4f4d\u5411\u91cf&#xff1a;\u76f4\u63a5\u8bfb\u53d6\u5e94\u7528\u7a0b\u5e8f\u5411\u91cf\u8868\u7684\u7b2c\u4e8c\u4e2a\u5b57&#xff08;0x08020004&#xff09;&#xff0c;\u5e76\u8df3\u8f6c\u8fc7\u53bb\u3002\u8fd9\u672c\u8d28\u4e0a\u662f\u4e00\u6b21\u201c\u624b\u52a8\u89e6\u53d1\u201d\u7684\u3001\u6307\u5411\u65b0\u590d\u4f4d\u5f02\u5e38\u5904\u7406\u51fd\u6570\u7684\u8df3\u8f6c\u3002 \u8fd9\u4e2a\u9636\u6bb5\u7684\u6838\u5fc3\u4f53\u73b0\u662f&#xff1a;\u590d\u4f4d\u4f5c\u4e3a\u5f02\u5e38&#xff0c;\u5176\u5904\u7406\u51fd\u6570&#xff08;Reset_Handler&#xff09;\u81ea\u8eab\u5177\u5907\u91cd\u65b0\u914d\u7f6e\u6574\u4e2a\u5f02\u5e38\u7cfb\u7edf&#xff08;\u5305\u62ec\u5b83\u81ea\u5df1&#xff09;\u7684\u80fd\u529b\u3002\u901a\u8fc7\u4fee\u6539VTOR&#xff0c;\u7cfb\u7edf\u5b9e\u73b0\u4e86\u4ece\u4e00\u5957\u5f02\u5e38\u5904\u7406\u65b9\u6848\u5230\u53e6\u4e00\u5957\u7684\u5e73\u6ed1\u5207\u6362\u3002<\/li>\n<\/li>\n<\/ul>\n<\/li>\n<p>\u6240\u4ee5\u590d\u4f4d\u4e0e\u91cd\u6620\u5c04\u7684\u6574\u4e2a\u8fc7\u7a0b&#xff0c;\u5c31\u662f \u201c\u590d\u4f4d\u5f02\u5e38\u201d\u7684\u54cd\u5e94&#xff0c;\u4ece\u4e00\u4e2a\u7531\u786c\u4ef6\u5f15\u811a\u51b3\u5b9a\u7684\u3001\u56fa\u5b9a\u7684\u7269\u7406\u8def\u5f84\u5f00\u59cb&#xff0c;\u9010\u6b65\u5c06\u63a7\u5236\u6743\u79fb\u4ea4\u5230\u53ef\u7531\u8f6f\u4ef6\u52a8\u6001\u914d\u7f6e\u548c\u91cd\u5b9a\u4f4d\u7684\u3001\u7edf\u4e00\u7684\u5185\u5b58\u5730\u5740\u7a7a\u95f4\u7684\u8fc7\u7a0b\u3002<\/p>\n<p>\u603b\u7ed3<\/p>\n<table>\n<tr>\u9636\u6bb5\u884c\u4e3a\u5728\u7edf\u4e00\u5f02\u5e38\u6a21\u578b\u4e2d\u7684\u89e3\u8bfb<\/tr>\n<tbody>\n<tr>\n<td>\u786c\u4ef6\u542f\u52a8<\/td>\n<td>CPU\u4ece\u56fa\u5b9a\u5730\u57400x0\u548c0x4\u52a0\u8f7dMSP\u548cPC<\/td>\n<td>\u8fd9\u662fCPU\u5bf9\u201c\u590d\u4f4d\u5f02\u5e38&#xff08;\u7f16\u53f71&#xff09;\u201d\u7684\u56fa\u5b9a\u54cd\u5e94\u6d41\u7a0b\u3002\u5b83\u4f7f\u7528\u9ed8\u8ba4VTOR&#061;0&#xff0c;\u6267\u884c\u4e86\u6700\u9ad8\u4f18\u5148\u7ea7\u7684\u5f02\u5e38\u54cd\u5e94\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u7269\u7406\u91cd\u6620\u5c04<\/td>\n<td>BOOT\u5f15\u811a\u9009\u62e9\u54ea\u5757\u7269\u7406\u5b58\u50a8\u5668\u54cd\u5e940\u5730\u5740\u7684\u8bbf\u95ee<\/td>\n<td>\u8fd9\u662f\u5728\u786c\u4ef6\u5c42\u9762&#xff0c;\u4e3a\u201c\u96f6\u72b6\u6001\u201dCPU\u7684\u9ed8\u8ba4\u5411\u91cf\u8868&#xff08;VTOR&#061;0&#xff09;\u9009\u62e9\u7269\u7406\u8f7d\u4f53\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u8f6f\u4ef6\u91cd\u6620\u5c04<\/td>\n<td>\u5728\u4ee3\u7801\u4e2d\u4fee\u6539VTOR\u5bc4\u5b58\u5668\u7684\u503c<\/td>\n<td>\u8fd9\u662f\u5728\u8f6f\u4ef6\u5c42\u9762&#xff0c;\u52a8\u6001\u4fee\u6539\u6574\u4e2a\u5f02\u5e38\u7cfb\u7edf&#xff08;\u6240\u6709\u5f02\u5e38&#xff0c;\u5305\u62ec\u590d\u4f4d&#xff09;\u7684\u67e5\u627e\u57fa\u5740\u3002\u590d\u4f4d\u5f02\u5e38\u7684\u5904\u7406\u51fd\u6570 Reset_Handler \u62e5\u6709\u8fd9\u9879\u7279\u6743\u3002<\/td>\n<\/tr>\n<tr>\n<td>Bootloader\u8df3\u8f6c<\/td>\n<td>\u52a0\u8f7d\u5e94\u7528\u6808\u6307\u9488&#xff0c;\u8df3\u8f6c\u5230\u5e94\u7528\u5165\u53e3<\/td>\n<td>\u8fd9\u662f\u624b\u52a8\u6267\u884c\u4e00\u6b21\u201c\u5e94\u7528\u590d\u4f4d\u5f02\u5e38\u54cd\u5e94\u201d&#xff1a;\u4ece\u65b0VTOR\u6307\u5411\u7684\u5411\u91cf\u8868\u4e2d&#xff0c;\u52a0\u8f7d\u65b0MSP\u5e76\u8df3\u8f6c\u5230\u65b0\u7684\u590d\u4f4d\u5904\u7406\u51fd\u6570\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6ce8\u610f&#xff1a;\u590d\u4f4d\u5f02\u5e38 \u4e0d\u7b49\u4e8e Reset_Handler&#xff0c;\u800c\u662f&#xff1a; \u590d\u4f4d\u5f02\u5e38 \u2192 &#xff08;\u786c\u4ef6\u81ea\u52a8&#xff09;\u2192 \u67e5\u5411\u91cf\u8868 \u2192 &#xff08;\u83b7\u53d6\u5730\u5740&#xff09;\u2192 \u8df3\u8f6c\u6267\u884c Reset_Handler<\/p>\n<hr \/>\n<p>\u4ee5\u4e0b\u662fCortex-M3\u4ece\u4e0a\u7535\u590d\u4f4d\u5230\u5f00\u59cb\u6267\u884cReset_Handler\u51fd\u6570\u7684\u5b8c\u6574\u3001\u8be6\u7ec6\u7684\u786c\u4ef6\u4e0e\u8f6f\u4ef6\u6d41\u7a0b&#xff1a;<\/p>\n<p>\u7b2c\u4e00\u9636\u6bb5&#xff1a;\u590d\u4f4d\u89e6\u53d1\u4e0e\u786c\u4ef6\u521d\u59cb\u5316<\/p>\n<li>\u590d\u4f4d\u4e8b\u4ef6\u53d1\u751f&#xff1a;\u7cfb\u7edf\u4e0a\u7535&#xff0c;\u6216\u5916\u90e8\u590d\u4f4d\u5f15\u811a&#xff08;nRST&#xff09;\u88ab\u62c9\u4f4e&#xff0c;\u6216\u770b\u95e8\u72d7\u8d85\u65f6\u7b49\u4e8b\u4ef6\u4ea7\u751f\u4e00\u4e2a\u5168\u5c40\u590d\u4f4d\u4fe1\u53f7\u3002<\/li>\n<li>\u4fe1\u53f7\u540c\u6b65\u4e0e\u5e7f\u64ad&#xff1a;\u82af\u7247\u5185\u90e8\u7684\u590d\u4f4d\u751f\u6210\u7535\u8def\u5bf9\u8be5\u5f02\u6b65\u4fe1\u53f7\u8fdb\u884c\u6d88\u6296\u548c\u540c\u6b65\u5904\u7406&#xff0c;\u7136\u540e\u5c06\u5176\u4f5c\u4e3a\u4e00\u4e2a\u540d\u4e3aSYSRESETn\u7684\u4f4e\u6709\u6548\u4fe1\u53f7&#xff0c;\u540c\u65f6\u5e7f\u64ad\u81f3\u82af\u7247\u6240\u6709\u76f8\u5173\u6a21\u5757&#xff1a;Cortex-M3\u5904\u7406\u5668\u5185\u6838\u3001\u6240\u6709\u5916\u8bbe\u3001\u5b58\u50a8\u5668\u63a7\u5236\u5668\u548c\u603b\u7ebf\u77e9\u9635\u3002<\/li>\n<li>\u6a21\u5757\u72b6\u6001\u51bb\u7ed3\u4e0e\u91cd\u7f6e&#xff1a;\n<ul>\n<li>CPU\u5185\u6838&#xff1a;\u7acb\u5373\u505c\u6b62\u6267\u884c&#xff0c;\u6e05\u7a7a\u6d41\u6c34\u7ebf&#xff0c;\u7ec8\u6b62\u6240\u6709\u8fdb\u884c\u4e2d\u7684\u603b\u7ebf\u8bbf\u95ee&#xff0c;\u5e76\u5c06\u5185\u90e8\u6240\u6709\u72b6\u6001\u673a\u91cd\u7f6e\u4e3a\u521d\u59cb\u72b6\u6001\u3002<\/li>\n<li>\u5916\u8bbe\u4e0e\u5b58\u50a8\u5668&#xff1a;\u6240\u6709\u53ef\u914d\u7f6e\u5916\u8bbe\u7684\u5bc4\u5b58\u5668\u88ab\u91cd\u7f6e\u4e3a\u82af\u7247\u624b\u518c\u5b9a\u4e49\u7684\u9ed8\u8ba4\u503c&#xff08;\u901a\u5e38\u4e3a0&#xff09;\u3002SRAM\u5185\u5bb9\u901a\u5e38\u5f97\u4ee5\u4fdd\u6301&#xff08;\u9664\u975e\u6389\u7535&#xff09;&#xff0c;\u4f46\u5bf9\u5176\u7684\u8bbf\u95ee\u88ab\u6682\u505c\u3002Flash\u5b58\u50a8\u5668\u63a5\u53e3\u8fdb\u5165\u5c31\u7eea\u72b6\u6001\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u590d\u4f4d\u4fe1\u53f7\u91ca\u653e&#xff1a;\u5f53\u5916\u90e8\u590d\u4f4d\u6761\u4ef6\u89e3\u9664&#xff08;\u5982\u6309\u94ae\u91ca\u653e&#xff09;&#xff0c;SYSRESETn\u4fe1\u53f7\u88ab\u540c\u6b65\u5730\u7f6e\u4e3a\u9ad8\u7535\u5e73\u3002\u82af\u7247\u5404\u6a21\u5757\u5728\u540c\u4e00\u65f6\u949f\u8fb9\u6cbf\u8131\u79bb\u590d\u4f4d\u72b6\u6001&#xff0c;\u5e76\u7b49\u5f85\u7cfb\u7edf\u4e3b\u65f6\u949f\u7a33\u5b9a\u3002<\/li>\n<p>\u7b2c\u4e8c\u9636\u6bb5&#xff1a;\u5185\u6838\u56fa\u5b9a\u542f\u52a8\u5e8f\u5217\u4e0e\u7269\u7406\u5730\u5740\u6620\u5c04<\/p>\n<li>\u56fa\u5b9a\u7684\u903b\u8f91\u8d77\u70b9&#xff1a;Cortex-M3\u5185\u6838\u786c\u4ef6\u8bbe\u8ba1\u5f3a\u5236\u89c4\u5b9a&#xff0c;\u5728\u91ca\u653e\u590d\u4f4d\u540e&#xff0c;\u5fc5\u987b\u4ece\u903b\u8f91\u5730\u5740 0x00000000 \u8bfb\u53d6\u521d\u59cb\u4e3b\u5806\u6808\u6307\u9488&#xff08;MSP&#xff09;&#xff0c;\u4ece\u903b\u8f91\u5730\u5740 0x00000004 \u8bfb\u53d6\u521d\u59cb\u7a0b\u5e8f\u8ba1\u6570\u5668&#xff08;PC&#xff09;\u3002<\/li>\n<li>\u82af\u7247\u7ea7\u7269\u7406\u91cd\u6620\u5c04&#xff08;\u7531BOOT\u5f15\u811a\u51b3\u5b9a&#xff09;&#xff1a;\u5728CPU\u5185\u6838\u6267\u884c\u4e0a\u8ff0\u8bfb\u53d6\u64cd\u4f5c\u524d&#xff0c;\u82af\u7247\u5236\u9020\u5546\u5b9e\u73b0\u7684\u603b\u7ebf\u77e9\u9635\u6839\u636eBOOT0\u3001BOOT1\u7b49\u5f15\u811a\u5728\u590d\u4f4d\u65f6\u7684\u7535\u5e73&#xff0c;\u5df2\u7ecf\u5efa\u7acb\u4e86\u4e00\u6761\u56fa\u5b9a\u7684\u7269\u7406\u8fde\u63a5\u3002\u5b83\u5c06CPU\u5bf9\u903b\u8f91\u5730\u57400x00000000\u533a\u57df\u7684\u8bbf\u95ee&#xff0c;\u91cd\u5b9a\u5411\u5230\u4e00\u5757\u7279\u5b9a\u7684\u7269\u7406\u5b58\u50a8\u5668\u7684\u8d77\u59cb\u5730\u5740&#xff1a;\n<ul>\n<li>\u82e5\u914d\u7f6e\u4e3a\u4ece\u4e3bFlash\u542f\u52a8&#xff0c;\u5219\u903b\u8f910x00000000\u6620\u5c04\u5230\u7269\u74060x08000000\u3002<\/li>\n<li>\u82e5\u914d\u7f6e\u4e3a\u4ece\u7cfb\u7edf\u5b58\u50a8\u5668\u542f\u52a8&#xff0c;\u5219\u903b\u8f910x00000000\u6620\u5c04\u5230\u7269\u74060x1FFF0000&#xff08;\u5185\u7f6eBootloader ROM&#xff09;\u3002<\/li>\n<li>\u82e5\u914d\u7f6e\u4e3a\u4ece\u5185\u7f6eSRAM\u542f\u52a8&#xff0c;\u5219\u903b\u8f910x00000000\u6620\u5c04\u5230\u7269\u74060x20000000\u3002<\/li>\n<li>\u6b64\u6620\u5c04\u662f\u7269\u7406\u7684\u3001\u9759\u6001\u7684&#xff0c;\u5728\u672c\u6b21\u590d\u4f4d\u5468\u671f\u5185\u4e0d\u4f1a\u6539\u53d8\u3002\u5b83\u4ec5\u51b3\u5b9a\u4e86CPU\u201c\u8bfb\u201d\u548c\u201c\u53d6\u201d\u64cd\u4f5c\u7684\u7269\u7406\u6765\u6e90&#xff0c;\u4e0d\u6d89\u53ca\u5bf9\u6570\u636e\u5185\u5bb9\u7684\u4efb\u4f55\u89e3\u91ca\u6216\u4fee\u6539\u3002<\/li>\n<\/ul>\n<\/li>\n<p>\u7b2c\u4e09\u9636\u6bb5&#xff1a;\u52a0\u8f7d\u4e0a\u4e0b\u6587\u4e0e\u8df3\u8f6c&#xff08;\u4f5c\u4e3a\u590d\u4f4d\u5f02\u5e38\u7684\u54cd\u5e94&#xff09;<\/p>\n<li>\u52a0\u8f7d\u521d\u59cb\u4e3b\u5806\u6808\u6307\u9488&#xff08;MSP&#xff09;&#xff1a;\n<ul>\n<li>CPU\u5185\u6838\u53d1\u8d77\u5bf9\u5730\u5740 0x00000000 \u768432\u4f4d\u8bfb\u53d6\u3002<\/li>\n<li>\u901a\u8fc7\u4e0a\u8ff0\u786c\u4ef6\u91cd\u6620\u5c04&#xff0c;\u8be5\u8bf7\u6c42\u88ab\u5bfc\u5411\u9009\u5b9a\u7684\u7269\u7406\u5b58\u50a8\u5668&#xff08;\u4f8b\u5982 0x08000000&#xff09;\u3002<\/li>\n<li>\u4ece\u8be5\u5730\u5740\u8bfb\u53d6\u5230\u76844\u5b57\u8282\u6570\u636e&#xff0c;\u88ab\u76f4\u63a5\u3001\u65e0\u6761\u4ef6\u5730\u88c5\u5165MSP&#xff08;R13&#xff09; \u5bc4\u5b58\u5668\u3002\u6b64\u503c\u7531\u8f6f\u4ef6\u5f00\u53d1\u8005\u5b9a\u4e49&#xff0c;\u5e76\u5728\u6b64\u7269\u7406\u5b58\u50a8\u5668\u7684\u8be5\u4f4d\u7f6e\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u52a0\u8f7d\u521d\u59cb\u7a0b\u5e8f\u8ba1\u6570\u5668&#xff08;PC&#xff09;\u2014\u2014\u5373\u83b7\u53d6\u590d\u4f4d\u5f02\u5e38\u5411\u91cf&#xff1a;\n<ul>\n<li>CPU\u5185\u6838\u7d27\u63a5\u7740\u53d1\u8d77\u5bf9\u5730\u5740 0x00000004 \u768432\u4f4d\u8bfb\u53d6\u3002<\/li>\n<li>\u540c\u6837\u901a\u8fc7\u786c\u4ef6\u91cd\u6620\u5c04&#xff0c;\u8be5\u8bf7\u6c42\u88ab\u5bfc\u5411\u7269\u7406\u5730\u5740&#xff08;\u4f8b\u5982 0x08000004&#xff09;\u3002<\/li>\n<li>\u4ece\u8be5\u5730\u5740\u8bfb\u53d6\u5230\u76844\u5b57\u8282\u6570\u636e&#xff0c;\u88ab\u89e3\u91ca\u4e3a\u4e00\u4e2a\u5185\u5b58\u5730\u5740&#xff0c;\u5e76\u76f4\u63a5\u3001\u65e0\u6761\u4ef6\u5730\u88c5\u5165PC&#xff08;R15&#xff09; \u5bc4\u5b58\u5668\u3002<\/li>\n<li>\u5728Cortex-M3\u5f02\u5e38\u6a21\u578b\u4e2d&#xff0c;\u5f02\u5e38\u7f16\u53f71&#xff08;\u590d\u4f4d&#xff09;\u7684\u5411\u91cf\u5730\u5740\u8ba1\u7b97\u516c\u5f0f\u4e3a VTOR &#043; 1 \u00d7 4\u3002\u6b64\u523b&#xff0c;\u786c\u4ef6\u9690\u542b\u7684\u5411\u91cf\u8868\u504f\u79fb\u5bc4\u5b58\u5668VTOR\u503c\u4e3a0x00000000\u3002\u56e0\u6b64&#xff0c;\u6b65\u9aa47\u548c8\u6b63\u662fCPU\u5185\u6838\u4ee5\u56fa\u5b9aVTOR&#061;0**&#xff0c;\u5bf9\u590d\u4f4d\u5f02\u5e38&#xff08;\u7f16\u53f71&#xff09; \u7684\u56fa\u5b9a\u54cd\u5e94\u6d41\u7a0b&#xff1a;\u4eceVTOR&#043;0\u52a0\u8f7dMSP&#xff0c;\u4eceVTOR&#043;4\u52a0\u8f7dPC\u3002**<\/li>\n<\/ul>\n<\/li>\n<li>\u6267\u884c\u8df3\u8f6c&#xff1a;PC\u5bc4\u5b58\u5668\u88ab\u66f4\u65b0\u540e&#xff0c;\u5904\u7406\u5668\u5728\u4e0b\u4e2a\u5468\u671f\u5f00\u59cb\u4ece\u65b0\u7684PC\u5730\u5740\u53d6\u6307\u5e76\u6267\u884c\u3002\u8fd9\u4e2a\u5730\u5740&#xff0c;\u5c31\u662f\u5b58\u50a8\u5728\u7269\u7406\u5b58\u50a8\u56680x00000004&#xff08;\u7ecf\u91cd\u6620\u5c04\u540e&#xff09;\u5904\u7684\u503c&#xff0c;\u5b83\u6307\u5411\u4e86\u5f00\u53d1\u8005\u7f16\u5199\u5e76\u7f16\u8bd1\u5230\u8be5\u7269\u7406\u5b58\u50a8\u5668\u7279\u5b9a\u4f4d\u7f6e\u7684 Reset_Handler \u51fd\u6570\u7684\u7b2c\u4e00\u6761\u6307\u4ee4\u3002<\/li>\n<p>\u7b2c\u56db\u9636\u6bb5&#xff1a;\u8f6f\u4ef6\u63a5\u7ba1\u4e0e\u7cfb\u7edf\u91cd\u6620\u5c04&#xff08;Reset_Handler\u5185&#xff09; 10. Reset_Handler\u5f00\u59cb\u6267\u884c&#xff1a;CPU\u73b0\u5728\u8fd0\u884c\u7684\u662f\u8f6f\u4ef6\u4ee3\u7801\u3002\u8be5\u51fd\u6570\u901a\u5e38\u7531\u82af\u7247\u5382\u5546\u63d0\u4f9b\u7684\u542f\u52a8\u6587\u4ef6\u5b9a\u4e49&#xff0c;\u7528\u6c47\u7f16\u6216C\u8bed\u8a00\u7f16\u5199\u3002 11. \u521d\u59cb\u5316\u5173\u952e\u7cfb\u7edf&#xff1a;\u51fd\u6570\u9996\u5148\u521d\u59cb\u5316\u7cfb\u7edf\u65f6\u949f\u3001\u914d\u7f6eFlash\u8bbf\u95ee\u5ef6\u8fdf&#xff0c;\u53ef\u80fd\u8fd8\u4f1a\u521d\u59cb\u5316\u5c11\u91cf\u5fc5\u8981\u7684\u5916\u8bbe\u3002 12. \u5173\u952e\u64cd\u4f5c\u2014\u2014\u91cd\u914d\u7f6e\u5411\u91cf\u8868\u504f\u79fb\u5bc4\u5b58\u5668&#xff08;VTOR&#xff09;&#xff1a; &#8211; Reset_Handler\u901a\u8fc7\u4e00\u6761\u5b58\u50a8\u6307\u4ee4&#xff08;\u4f8b\u5982 SCB-&gt;VTOR &#061; 0x08000000&#xff09;&#xff0c;\u5411\u5730\u57400xE000ED08&#xff08;VTOR\u5bc4\u5b58\u5668&#xff09;\u5199\u5165\u4e00\u4e2a\u65b0\u7684\u57fa\u5730\u5740\u3002 &#8211; \u6b64\u64cd\u4f5c\u5177\u6709\u5168\u5c40\u548c\u5373\u65f6\u6548\u5e94&#xff1a;\u5199\u5165\u5b8c\u6210\u540e&#xff0c;Cortex-M3\u5185\u6838\u7528\u4e8e\u8ba1\u7b97\u6240\u6709\u5f02\u5e38&#xff08;\u5305\u62ec\u590d\u4f4d\u3001NMI\u3001\u4e2d\u65ad\u7b49&#xff09;\u5165\u53e3\u5730\u5740\u7684\u57fa\u51c6\u70b9&#xff0c;\u4ece\u56fa\u5b9a\u76840x00000000\u6c38\u4e45\u5730\u66f4\u6539\u4e3a\u65b0\u7684\u5730\u5740&#xff08;\u4f8b\u59820x08000000&#xff09;\u3002 &#8211; \u610f\u4e49&#xff1a;\u8fd9\u5b9e\u73b0\u4e86\u8f6f\u4ef6\u5c42\u9762\u7684\u903b\u8f91\u91cd\u6620\u5c04\u3002\u7cfb\u7edf\u4ece\u6b64\u5b8c\u5168\u8131\u79bb\u5bf9\u201c\u903b\u8f910\u5730\u5740\u201d\u786c\u4ef6\u6620\u5c04\u7684\u4f9d\u8d56&#xff0c;\u5f02\u5e38\u5904\u7406\u5b8c\u5168\u5728\u7edf\u4e00\u76844GB\u5730\u5740\u7a7a\u95f4\u4e2d&#xff0c;\u7531VTOR\u5bc4\u5b58\u5668\u6307\u5411\u7684\u5411\u91cf\u8868\u7ba1\u7406\u3002\u8fd9\u4e5f\u662fBootloader\u80fd\u8df3\u8f6c\u5230\u5e94\u7528\u7a0b\u5e8f\u7684\u6838\u5fc3\u673a\u5236&#xff1a;Bootloader\u5728\u8df3\u8f6c\u524d&#xff0c;\u5c06VTOR\u6539\u4e3a\u5e94\u7528\u7a0b\u5e8f\u5411\u91cf\u8868\u7684\u5730\u5740&#xff0c;\u4ece\u800c\u5c06\u5f02\u5e38\u5904\u7406\u6743\u79fb\u4ea4\u7ed9\u5e94\u7528\u7a0b\u5e8f\u3002 13. \u521d\u59cb\u5316\u8fd0\u884c\u73af\u5883&#xff1a;Reset_Handler\u7ee7\u7eed\u6267\u884c&#xff0c;\u5c06\u5df2\u521d\u59cb\u5316\u7684\u5168\u5c40\u53d8\u91cf&#xff08;.data\u6bb5&#xff09;\u4eceFlash\u590d\u5236\u5230SRAM&#xff0c;\u5c06\u672a\u521d\u59cb\u5316\u7684\u5168\u5c40\u53d8\u91cf&#xff08;.bss\u6bb5&#xff09;\u5728SRAM\u4e2d\u6e05\u96f6\u3002 14. \u8df3\u8f6c\u5230\u4e3b\u7a0b\u5e8f&#xff1a;\u6700\u540e&#xff0c;Reset_Handler\u8c03\u7528\u6807\u51c6\u7684C\u5165\u53e3\u51fd\u6570 main() \u6216\u76f4\u63a5\u8df3\u8f6c\u5230\u8c03\u5ea6\u5668&#xff0c;\u5c06\u63a7\u5236\u6743\u79fb\u4ea4\u7ed9\u7528\u6237\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<p>\u6d41\u7a0b\u603b\u7ed3 \u6b64\u6d41\u7a0b\u662f\u4e00\u4e2a\u4ece\u7edd\u5bf9\u786c\u4ef6\u786e\u5b9a\u6027\u8fc7\u6e21\u5230\u5b8c\u5168\u8f6f\u4ef6\u53ef\u7f16\u7a0b\u6027\u7684\u7ecf\u5178\u8303\u4f8b&#xff1a;<\/p>\n<li>\u7269\u7406\u5c42&#xff1a;\u590d\u4f4d\u4fe1\u53f7\u4e0eBOOT\u5f15\u811a\u56fa\u5b9a\u5730\u51b3\u5b9a\u4e86\u7b2c\u4e00\u6761\u6307\u4ee4\u6570\u636e\u7684\u7269\u7406\u6765\u6e90\u3002<\/li>\n<li>\u786c\u4ef6\u903b\u8f91\u5c42&#xff1a;\u5185\u6838\u56fa\u5b9a\u5730\u6267\u884c\u4eceVTOR&#061;0\u5f00\u59cb\u7684\u590d\u4f4d\u5f02\u5e38\u54cd\u5e94\u5e8f\u5217&#xff0c;\u5b8c\u6210\u4ece\u201c\u65e0\u673a\u201d\u5230\u201c\u6709\u5e8f\u201d\u7684\u5f3a\u5236\u6027\u4e0a\u4e0b\u6587\u52a0\u8f7d\u3002<\/li>\n<li>\u8f6f\u4ef6\u5c42&#xff1a;\u88ab\u52a0\u8f7d\u6267\u884c\u7684Reset_Handler\u7acb\u5373\u593a\u56de\u63a7\u5236\u6743&#xff0c;\u901a\u8fc7\u91cd\u5199VTOR\u7b49\u64cd\u4f5c&#xff0c;\u5c06\u7cfb\u7edf\u914d\u7f6e\u5230\u4e00\u4e2a\u7531\u8f6f\u4ef6\u5b8c\u5168\u5b9a\u4e49\u548c\u638c\u63a7\u7684\u3001\u7075\u6d3b\u7684\u53ef\u8fd0\u884c\u72b6\u6001\u3002<\/li>\n<hr \/>\n<hr \/>\n<h2>\u5728cortex m3\u4e2d&#xff0c;\u5f53\u590d\u4f4d\u540eVTOR\u5bc4\u5b58\u5668\u7684\u52a8\u4f5c<\/h2>\n<p>\u7b2c\u4e00\u6b65&#xff1a;\u786c\u4ef6\u5f3a\u5236\u521d\u59cb\u5316&#xff08;\u590d\u4f4d\u91ca\u653e\u77ac\u95f4&#xff09; \u5f53\u590d\u4f4d\u4fe1\u53f7\u91ca\u653e&#xff0c;\u5904\u7406\u5668\u5185\u6838\u8131\u79bb\u590d\u4f4d\u72b6\u6001\u65f6&#xff0c;\u5176\u786c\u4ef6\u903b\u8f91\u4f1a\u6267\u884c\u4e00\u4e2a\u4e0d\u53ef\u66f4\u6539\u7684\u521d\u59cb\u5316\u64cd\u4f5c&#xff1a;\u5c06VTOR\u5bc4\u5b58\u5668\u7684\u503c\u5f3a\u5236\u8bbe\u7f6e\u4e3a 0x00000000\u3002\u8fd9\u662f\u4e00\u4e2a\u7531Cortex-M3\u67b6\u6784\u5b9a\u4e49\u7684\u3001\u6240\u6709\u82af\u7247\u90fd\u5fc5\u987b\u9075\u5b88\u7684\u56fa\u5b9a\u52a8\u4f5c\u3002\u6b64\u65f6&#xff0c;\u5904\u7406\u5668\u5f02\u5e38\u5904\u7406\u5355\u5143\u7684\u201c\u57fa\u51c6\u70b9\u201d\u88ab\u951a\u5b9a\u5728\u903b\u8f91\u5730\u5740\u96f6\u3002\u7136\u800c&#xff0c;\u5bf9\u4e8eSTM32F103\u8fd9\u7c7b\u82af\u7247&#xff0c;\u4e00\u4e2a\u5e76\u884c\u7684\u786c\u4ef6\u4e8b\u4ef6\u6b63\u5728\u53d1\u751f&#xff1a;\u82af\u7247\u5185\u90e8\u7684\u603b\u7ebf\u77e9\u9635\u6839\u636eBOOT\u5f15\u811a\u7684\u7535\u5e73&#xff0c;\u5df2\u5c06\u7269\u7406Flash\u7684\u8d77\u59cb\u5730\u5740&#xff08;0x08000000&#xff09;\u9759\u6001\u5730\u6620\u5c04\u5230\u4e86\u903b\u8f91\u5730\u57400x00000000\u7684\u533a\u57df\u3002\u56e0\u6b64&#xff0c;VTOR&#061;0x00000000 \u8fd9\u4e2a\u72b6\u6001\u5728\u7269\u7406\u4e0a\u7b49\u4ef7\u4e8e\u5411\u91cf\u8868\u4f4d\u4e8e 0x08000000&#xff0c;\u4f46\u5904\u7406\u5668\u5185\u6838\u5728\u903b\u8f91\u4e0a\u5bf9\u6b64\u6620\u5c04\u5173\u7cfb\u4e00\u65e0\u6240\u77e5&#xff0c;\u5b83\u4ec5\u4ec5\u9075\u4ece\u201c\u4eceVTOR&#xff08;\u5f53\u524d\u4e3a0&#xff09;\u52a0\u504f\u79fb\u91cf\u53d6\u5730\u5740\u201d\u7684\u89c4\u5219\u3002<\/p>\n<p>\u7b2c\u4e8c\u6b65&#xff1a;\u5185\u6838\u6267\u884c\u9996\u6b21\u5f02\u5e38\u54cd\u5e94&#xff08;\u542f\u52a8\u5e8f\u5217&#xff09; \u7d27\u63a5\u7740&#xff0c;\u5904\u7406\u5668\u5185\u6838\u5f00\u59cb\u6267\u884c\u5176\u56fa\u5b9a\u7684\u542f\u52a8\u5e8f\u5217&#xff0c;\u8fd9\u672c\u8d28\u4e0a\u662f\u5bf9**\u590d\u4f4d\u5f02\u5e38&#xff08;\u7f16\u53f71&#xff09;**\u7684\u54cd\u5e94&#xff1a;<\/p>\n<li>\u5b83\u8ba1\u7b97 VTOR &#043; 0&#xff08;\u5373 0x00000000&#xff09;&#xff0c;\u4ece\u8be5\u5730\u5740\u8bfb\u53d64\u5b57\u8282\u6570\u636e&#xff0c;\u5e76\u5c06\u5176\u4f5c\u4e3a\u521d\u59cb\u4e3b\u5806\u6808\u6307\u9488&#xff08;MSP&#xff09;\u52a0\u8f7d\u3002<\/li>\n<li>\u5b83\u8ba1\u7b97 VTOR &#043; 1*4&#xff08;\u5373 0x00000004&#xff09;&#xff0c;\u4ece\u8be5\u5730\u5740\u8bfb\u53d64\u5b57\u8282\u6570\u636e&#xff08;\u5373\u590d\u4f4d\u5f02\u5e38\u5411\u91cf&#xff09;&#xff0c;\u5e76\u5c06\u5176\u4f5c\u4e3a\u7a0b\u5e8f\u8ba1\u6570\u5668&#xff08;PC&#xff09;\u52a0\u8f7d\u3002 \u7531\u4e8e\u7b2c\u4e00\u6b65\u6240\u8ff0\u7684\u786c\u4ef6\u6620\u5c04&#xff0c;\u8fd9\u4e24\u6b21\u8bfb\u53d6\u5b9e\u9645\u4e0a\u5747\u6765\u81ea\u7269\u7406\u5730\u5740 0x08000000 \u548c 0x08000004\u3002CPU\u968f\u540e\u8df3\u8f6c\u5230PC\u6240\u6307\u5411\u7684\u5730\u5740&#xff0c;\u5373\u4f4d\u4e8eFlash\u4e2d\u7684 Reset_Handler \u51fd\u6570\u3002<\/li>\n<p>\u7b2c\u4e09\u6b65&#xff1a;\u8f6f\u4ef6\u9996\u6b21\u663e\u5f0f\u914d\u7f6e&#xff08;\u5efa\u7acb\u786e\u5b9a\u57fa\u51c6&#xff09; Reset_Handler \u5f00\u59cb\u6267\u884c&#xff0c;\u7cfb\u7edf\u63a7\u5236\u6743\u4ece\u786c\u4ef6\u8f6c\u79fb\u5230\u8f6f\u4ef6\u3002\u6b64\u65f6&#xff0c;\u8fd0\u884c\u4e2d\u7684\u4ee3\u7801&#xff08;\u4f8b\u5982Bootloader&#xff09;\u5fc5\u987b\u7acb\u523b\u6d88\u9664\u5bf9\u786c\u4ef6\u6620\u5c04\u7684\u9690\u542b\u4f9d\u8d56&#xff0c;\u5efa\u7acb\u660e\u786e\u3001\u53ef\u9884\u6d4b\u7684\u8fd0\u884c\u65f6\u73af\u5883\u3002\u56e0\u6b64&#xff0c;\u5728 Reset_Handler \u8c03\u7528\u7684\u65e9\u671f\u521d\u59cb\u5316\u51fd\u6570&#xff08;\u5982 SystemInit()&#xff09;\u4e2d&#xff0c;\u8f6f\u4ef6\u4f1a\u6267\u884c\u4e00\u6761\u81f3\u5173\u91cd\u8981\u7684\u6307\u4ee4&#xff1a;\u5411VTOR\u5bc4\u5b58\u5668\u5199\u5165\u4e00\u4e2a\u660e\u786e\u7684\u57fa\u5730\u5740&#xff0c;\u4f8b\u5982 0x08000000\u3002\u8fd9\u4e00\u52a8\u4f5c\u7684\u6df1\u5c42\u542b\u4e49\u662f&#xff1a;\u8f6f\u4ef6\u6b63\u5f0f\u5ba3\u544a&#xff0c;\u201c\u4ece\u73b0\u5728\u8d77&#xff0c;\u5411\u91cf\u8868\u7684\u57fa\u51c6\u70b9\u662f\u7269\u7406\u5730\u5740 0x08000000&#xff0c;\u8bf7\u5fd8\u8bb0\u4e4b\u524d 0x00000000 \u7684\u903b\u8f91\u6620\u5c04\u201d\u3002\u5b8c\u6210\u6b64\u64cd\u4f5c\u540e&#xff0c;\u5904\u7406\u5668\u5bf9\u6240\u6709\u5f02\u5e38\u7684\u5bfb\u5740\u8ba1\u7b97\u5c06\u57fa\u4e8e\u8fd9\u4e2a\u65b0\u7684\u3001\u6e05\u6670\u7684\u57fa\u51c6\u70b9\u3002\u8fd9\u662f\u8f6f\u4ef6\u83b7\u5f97\u5bf9\u5f02\u5e38\u7cfb\u7edf\u63a7\u5236\u6743\u7684\u6807\u5fd7\u3002<\/p>\n<p>\u7b2c\u56db\u6b65\u8be6\u89e3&#xff1a;\u8fd0\u884c\u65f6\u52a8\u6001\u91cd\u914d\u7f6e&#xff08;\u5982\u679c\u662fBootloader&#043;App\u6a21\u5f0f&#xff09; \u5f53\u7cfb\u7edf\u8d85\u8d8a\u7b80\u5355\u7684\u5355\u5e94\u7528\u7a0b\u5e8f\u6a21\u5f0f&#xff0c;\u8fdb\u5165\u9700\u8981\u591a\u4e2a\u72ec\u7acb\u8f6f\u4ef6\u6a21\u5757&#xff08;\u5982Bootloader\u548c\u5e94\u7528\u7a0b\u5e8f&#xff09;\u534f\u4f5c\u8fd0\u884c\u65f6&#xff0c;VTOR\u7684\u89d2\u8272\u5c31\u4ece\u4e00\u6b21\u6027\u521d\u59cb\u5316\u5bc4\u5b58\u5668&#xff0c;\u53d8\u6210\u4e86\u4e00\u4e2a\u53ef\u4ee5\u5728\u8f6f\u4ef6\u8fd0\u884c\u4e2d\u52a8\u6001\u6539\u5199\u7684\u7cfb\u7edf\u5f00\u5173\u3002\u5176\u52a8\u4f5c\u9075\u5faa\u4e00\u4e2a\u4e25\u683c\u7684\u201c\u6307\u6325\u6743\u79fb\u4ea4\u201d\u534f\u8bae\u3002 \u9636\u6bb5\u4e00&#xff1a;Bootloader\u56fa\u5b88\u5176\u4f4d<\/p>\n<ul>\n<li>\u52a8\u4f5c&#xff1a;Bootloader\u7684Reset_Handler\u5c06VTOR\u8bbe\u7f6e\u4e3a\u81ea\u8eab\u7684\u5411\u91cf\u8868\u57fa\u5730\u5740&#xff08;0x08000000&#xff09;\u3002<\/li>\n<li>\u4f5c\u7528\u4e0e\u72b6\u6001&#xff1a;\u6b64\u52a8\u4f5c\u5ba3\u544a\u4e86Bootloader\u5728\u8fd0\u884c\u671f\u95f4\u5bf9\u4e2d\u65ad\u54cd\u5e94\u62e5\u6709\u7edd\u5bf9\u4e3b\u6743\u3002\u4efb\u4f55\u5728\u6b64\u671f\u95f4\u53d1\u751f\u7684\u4e2d\u65ad&#xff0c;CPU\u90fd\u4f1a\u4e25\u683c\u6309\u7167 0x08000000 &#043; \u4e2d\u65ad\u53f7\u00d74 \u7684\u516c\u5f0f&#xff0c;\u8df3\u8f6c\u5230Bootloader\u4ee3\u7801\u6bb5\u5185\u5bf9\u5e94\u7684\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u3002\u6b64\u65f6&#xff0c;VTOR\u662fBootloader\u79c1\u6709\u8d44\u6e90\u7684\u7ba1\u7406\u951a\u70b9\u3002 \u9636\u6bb5\u4e8c&#xff1a;\u8df3\u8f6c\u524d\u5915\u7684\u201c\u653f\u6743\u4ea4\u63a5\u201d \u8fd9\u662f\u6574\u4e2a\u6d41\u7a0b\u4e2d\u6700\u7cbe\u5999\u4e14\u4e0d\u5bb9\u51fa\u9519\u7684\u4e00\u6b65\u3002<\/li>\n<li>\u52a8\u4f5c&#xff1a;\u5728Bootloader\u6267\u884c\u8df3\u8f6c\u5230\u5e94\u7528\u7a0b\u5e8f\u7684\u6700\u540e\u4e00\u6761\u6307\u4ee4\u4e4b\u524d&#xff0c;\u5b83\u5fc5\u987b\u6267\u884c\u4e00\u6761\u6307\u4ee4&#xff1a;SCB-&gt;VTOR &#061; 0x08002000\u3002<\/li>\n<li>\u5fae\u89c2\u4f5c\u7528&#xff1a;\u8fd9\u6761\u5b58\u50a8\u6307\u4ee4\u7684\u5b8c\u6210&#xff0c;\u5728\u786c\u4ef6\u4e0a\u4ea7\u751f\u4e86\u4e00\u4e2a\u77ac\u65f6\u3001\u5168\u5c40\u4e14\u4e0d\u53ef\u9006\u7684\u6548\u679c\u2014\u2014\u5904\u7406\u5668\u5185\u90e8\u5f02\u5e38\u5bfb\u5740\u7535\u8def\u7684\u201c\u57fa\u5740\u6307\u9488\u201d\u88ab\u539f\u5b50\u6027\u5730\u4ece0x08000000\u62e8\u5230\u4e860x08002000\u3002\u8fd9\u4e0d\u662f\u51c6\u5907&#xff0c;\u800c\u662f\u7acb\u523b\u751f\u6548\u3002<\/li>\n<li>\u4e3a\u4f55\u5fc5\u987b\u6b64\u65f6\u8fdb\u884c&#xff08;\u5173\u952e\u539f\u56e0&#xff09;&#xff1a;\u8bbe\u60f3\u5982\u679c\u5148\u8df3\u8f6c&#xff0c;\u518d\u4fee\u6539VTOR\u3002\u5728\u8df3\u8f6c\u5b8c\u6210\u5230VTOR\u4fee\u6539\u6210\u529f\u7684\u8fd9\u51e0\u6761\u6307\u4ee4\u6267\u884c\u671f\u95f4&#xff0c;\u82e5\u6070\u597d\u6709\u4e00\u4e2a\u4e2d\u65ad\u53d1\u751f&#xff0c;CPU\u4f1a\u53bb\u54ea\u91cc\u627e\u4e2d\u65ad\u5411\u91cf&#xff1f;\u7b54\u6848\u4f9d\u7136\u662f\u65e7\u7684VTOR&#xff08;0x08000000&#xff09;&#xff0c;\u5373Bootloader\u7684\u5411\u91cf\u8868\u3002\u4f46\u6b64\u65f6CPU\u5df2\u5728\u6267\u884c\u5e94\u7528\u7a0b\u5e8f\u7684\u4ee3\u7801&#xff0c;\u4e0a\u4e0b\u6587\u5b8c\u5168\u9519\u4e71&#xff0c;\u6781\u5927\u6982\u7387\u5bfc\u81f4\u786c\u4ef6\u9519\u8bef\u6216\u7cfb\u7edf\u6b7b\u9501\u3002\u56e0\u6b64&#xff0c;\u5fc5\u987b\u5728\u79bb\u5f00\u5f53\u524d\u4e0a\u4e0b\u6587&#xff08;Bootloader&#xff09;\u4e4b\u524d&#xff0c;\u5c31\u4e3a\u4e0b\u4e00\u4e2a\u4e0a\u4e0b\u6587&#xff08;\u5e94\u7528\u7a0b\u5e8f&#xff09;\u94fa\u597d\u6240\u6709\u57fa\u7840\u8bbe\u65bd&#xff0c;\u5176\u4e2d\u4e2d\u65ad\u54cd\u5e94\u8def\u5f84\u662f\u6700\u5173\u952e\u7684\u4e00\u9879\u3002 \u9636\u6bb5\u4e09&#xff1a;\u5e94\u7528\u7a0b\u5e8f\u7684\u201c\u4e3b\u6743\u5ba3\u544a\u201d<\/li>\n<li>\u52a8\u4f5c&#xff1a;\u5e94\u7528\u7a0b\u5e8f\u7684Reset_Handler\u540c\u6837\u4f1a\u6267\u884c SCB-&gt;VTOR &#061; 0x08002000\u3002<\/li>\n<li>\u6df1\u5c42\u610f\u4e49&#xff1a;\u8fd9\u5e76\u975e\u5197\u4f59\u64cd\u4f5c&#xff0c;\u800c\u662f\u8f6f\u4ef6\u5de5\u7a0b\u786e\u5b9a\u6027\u4e0e\u9c81\u68d2\u6027\u539f\u5219\u7684\u4f53\u73b0\u3002\u5e94\u7528\u7a0b\u5e8f\u4e0d\u5e94\u5047\u8bbe\u81ea\u5df1\u662f\u7531\u4e00\u4e2a\u201c\u6b63\u786e\u4e14\u5b8c\u597d\u201d\u7684Bootloader\u542f\u52a8\u7684\u3002\u5b83\u5fc5\u987b\u8fdb\u884c\u201c\u521d\u59cb\u5316\u81ea\u68c0\u548c\u786e\u8ba4\u201d&#xff0c;\u660e\u786e\u5efa\u7acb\u81ea\u5df1\u6240\u6709\u6838\u5fc3\u8d44\u6e90\u7684\u638c\u63a7\u6743\u3002\u8fd9\u4fdd\u8bc1\u4e86&#xff1a;\n<li>\u72b6\u6001\u786e\u5b9a\u6027&#xff1a;\u65e0\u8bba\u4e4b\u524dVTOR\u88ab\u8bbe\u4e3a\u4f55\u503c&#xff08;\u5373\u4f7f\u662f\u8c03\u8bd5\u5668\u4e71\u5199\u7684&#xff09;&#xff0c;\u5e94\u7528\u7a0b\u5e8f\u90fd\u5f3a\u5236\u5c06\u5176\u7ea0\u6b63\u5230\u6b63\u786e\u503c\u3002<\/li>\n<li>\u4ee3\u7801\u81ea\u5305\u542b\u4e0e\u53ef\u79fb\u690d\u6027&#xff1a;\u8fd9\u6bb5\u521d\u59cb\u5316\u4ee3\u7801\u4e0d\u4f9d\u8d56\u4efb\u4f55\u5916\u90e8\u524d\u63d0&#xff0c;\u4f7f\u5f97\u8be5\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u88ab\u4efb\u4f55\u517c\u5bb9\u7684\u5f15\u5bfc\u7a0b\u5e8f\u542f\u52a8&#xff0c;\u751a\u81f3\u7531\u8c03\u8bd5\u5668\u76f4\u63a5\u52a0\u8f7d\u5230RAM\u4e2d\u8fd0\u884c\u3002<\/li>\n<li>\u903b\u8f91\u6e05\u6670&#xff1a;\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u6e90\u7801\u4e2d&#xff0c;\u53ef\u4ee5\u6e05\u6670\u5730\u770b\u5230\u5176\u5411\u91cf\u8868\u57fa\u5730\u5740\u7684\u914d\u7f6e&#xff0c;\u4f7f\u5f97\u7ef4\u62a4\u548c\u8c03\u8bd5\u53d8\u5f97\u76f4\u89c2\u3002 \u8865\u5145&#xff1a;Bootloader\u8df3\u8f6c\u5230\u5e94\u7528\u7a0b\u5e8f\u7684\u672c\u8d28&#xff1a;Bootloader\u5728\u8df3\u8f6c\u524d\u6240\u505a\u7684\u8bbe\u7f6eVTOR\u548c\u52a0\u8f7dMSP\/PC\u8fd9\u4e00\u7cfb\u5217\u64cd\u4f5c&#xff0c;\u5c31\u662f\u4e00\u6b21\u5bf9CPU\u786c\u4ef6\u590d\u4f4d\u542f\u52a8\u5e8f\u5217\u7684\u7cbe\u786e\u8f6f\u4ef6\u6a21\u62df&#xff1a; \u5728\u6267\u884c\u5b8c SCB-&gt;VTOR &#061; 0x08002000 \u4e4b\u540e&#xff0c;Bootloader\u7684\u4ee3\u7801\u7acb\u5373\u6267\u884c\u4ee5\u4e0b\u5173\u952e\u64cd\u4f5c\u6765\u66f4\u65b0PC&#xff1a;<\/li>\n<\/li>\n<\/ul>\n<li>\u8bfb\u53d6\u5e94\u7528\u7a0b\u5e8f\u7684\u201c\u590d\u4f4d\u5411\u91cf\u201d&#xff1a; Bootloader\u77e5\u9053\u5e94\u7528\u7a0b\u5e8f\u7684\u5411\u91cf\u8868\u57fa\u5740\u73b0\u5728\u662f0x08002000&#xff08;\u5b83\u521a\u521a\u8bbe\u7f6e\u7684&#xff09;\u3002\u5b83\u50cfCPU\u786c\u4ef6\u5728\u590d\u4f4d\u65f6\u505a\u7684\u90a3\u6837&#xff0c;\u4ece\u8fd9\u4e2a\u57fa\u5740\u8ba1\u7b97\u51fa\u5e94\u7528\u7a0b\u5e8f\u7684\u5165\u53e3\u5730\u5740&#xff1a;\u7528\u5165\u53e3\u5730\u5740 &#061; \u5e94\u7528VTOR\u57fa\u5740 &#043; 4 &#061; 0x08002004 \u3002Bootloader\u6267\u884c\u4e00\u6761\u52a0\u8f7d\u6307\u4ee4&#xff0c;\u4ece\u5730\u57400x08002004\u8bfb\u53d64\u4e2a\u5b57\u8282\u3002\u8fd9\u4e2a\u8bfb\u51fa\u7684\u503c&#xff0c;\u5c31\u662f\u5e94\u7528\u7a0b\u5e8fReset_Handler\u51fd\u6570\u7684\u7edd\u5bf9\u5730\u5740&#xff08;\u5047\u8bbe\u662f0x08002100&#xff09;\u3002<\/li>\n<li>\u8bfb\u53d6\u5e94\u7528\u7a0b\u5e8f\u7684\u521d\u59cb\u6808\u6307\u9488&#xff08;\u53ef\u9009\u4f46\u63a8\u8350&#xff09;&#xff1a; \u4e3a\u4e86\u4fdd\u8bc1\u5e94\u7528\u7a0b\u5e8f\u6709\u4e00\u4e2a\u5b8c\u5168\u5e72\u51c0\u7684\u8fd0\u884c\u73af\u5883&#xff0c;Bootloader\u901a\u5e38\u4e5f\u4f1a\u4ece\u5e94\u7528\u7a0b\u5e8f\u5411\u91cf\u8868\u7684\u7b2c\u4e00\u4e2a\u6761\u76ee&#xff08;0x08002000&#xff09;\u8bfb\u53d6\u521d\u59cb\u4e3b\u6808\u6307\u9488&#xff08;MSP&#xff09;\u7684\u503c&#xff0c;\u5e76\u7528\u5b83\u6765\u8bbe\u7f6e\u5f53\u524d\u7684MSP\u3002\u8fd9\u786e\u4fdd\u4e86\u5e94\u7528\u7a0b\u5e8f\u4ece\u5b83\u81ea\u5df1\u8bbe\u8ba1\u7684\u5806\u6808\u5f00\u59cb\u8fd0\u884c\u3002<\/li>\n<li>\u6267\u884c\u8df3\u8f6c&#xff08;\u66f4\u65b0PC&#xff09;&#xff1a; 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