{"id":12752,"date":"2025-04-18T19:54:12","date_gmt":"2025-04-18T11:54:12","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/12752.html"},"modified":"2025-04-18T19:54:12","modified_gmt":"2025-04-18T11:54:12","slug":"stm32%e5%85%ab%e8%82%a1%e3%80%903%e3%80%91-ram%e5%92%8c%e7%89%87%e4%b8%8aflash","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/12752.html","title":{"rendered":"STM32\u516b\u80a1\u30103\u3011------RAM\u548c\u7247\u4e0aFLASH"},"content":{"rendered":"

1\u3001RAM\u548cFLASH\u6784\u6210<\/h2>\n

1.RAM<\/h4>\n

\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510
\n\u2502 \u6808\u533a (Stack) \u2502 \u2190 \u4eceRAM\u9876\u7aef\u5411\u4e0b\u6269\u5c55（\u5b58\u50a8\u5c40\u90e8\u53d8\u91cf\u3001\u51fd\u6570\u8c03\u7528\u4fe1\u606f）
\n\u2502————————–\u2502
\n\u2502 \u5806\u533a (Heap) \u2502 \u2190 \u4ece.bss\u6bb5\u5e95\u90e8\u5411\u4e0a\u6269\u5c55（\u52a8\u6001\u5206\u914d\u7684\u5185\u5b58，\u5982malloc）
\n\u2502————————–\u2502
\n\u2502 .bss \u672a\u521d\u59cb\u5316\u6570\u636e\u533a \u2502 \u2190 \u672a\u521d\u59cb\u5316\u7684\u5168\u5c40\u53d8\u91cf\u3001\u9759\u6001\u53d8\u91cf（\u542f\u52a8\u65f6\u6e05\u96f6）
\n\u2502————————–\u2502
\n\u2502 .data \u5df2\u521d\u59cb\u5316\u6570\u636e\u533a \u2502 \u2190 \u5df2\u521d\u59cb\u5316\u7684\u5168\u5c40\u53d8\u91cf\u3001\u9759\u6001\u53d8\u91cf（\u4eceFlash\u52a0\u8f7d\u521d\u59cb\u503c）
\n\u2502————————–\u2502
\n\u2502 .rodata \u5e38\u91cf\u533a \u2502 \u2190 **\u53ef\u80fd\u4e0d\u5b58\u5728**（\u901a\u5e38.rodata\u4fdd\u7559\u5728Flash，\u9664\u975e\u4f18\u5316\u9700\u8981）
\n\u2502————————–\u2502
\n\u2502 .text \u4ee3\u7801\u533a \u2502 \u2190 **\u4ec5\u5f53\u4ee3\u7801\u9700\u52a0\u901f\u65f6\u5b58\u5728**（\u5982\u4eceFlash\u590d\u5236\u5230RAM\u6267\u884c）
\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/p>\n

2.FLASH<\/h4>\n

\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510
\n\u2502 \u4e2d\u65ad\u5411\u91cf\u8868 \u2502 \u2190 \u7cfb\u7edf\u542f\u52a8\u4ee3\u7801（\u5982\u590d\u4f4d\u5411\u91cf）
\n\u2502————————–\u2502
\n\u2502 .text \u4ee3\u7801\u533a \u2502 \u2190 \u7a0b\u5e8f\u4ee3\u7801（\u51fd\u6570\u3001\u6307\u4ee4）
\n\u2502————————–\u2502
\n\u2502 .rodata \u5e38\u91cf\u533a \u2502 \u2190 \u53ea\u8bfb\u6570\u636e（\u5e38\u91cf\u3001\u5b57\u7b26\u4e32）
\n\u2502————————–\u2502
\n\u2502 .data \u521d\u59cb\u503c \u2502 \u2190 \u5df2\u521d\u59cb\u5316\u53d8\u91cf\u7684\u521d\u59cb\u503c（\u8fd0\u884c\u65f6\u590d\u5236\u5230RAM\u7684.data\u533a）
\n\u2502————————–\u2502
\n\u2502 .bss \u4fe1\u606f \u2502 \u2190 **\u4e0d\u5360\u7a7a\u95f4**，\u4ec5\u8bb0\u5f55.bss\u6bb5\u5927\u5c0f（\u7528\u4e8e\u542f\u52a8\u65f6\u6e05\u96f6RAM）
\n\u2502————————–\u2502
\n\u2502 \u5176\u4ed6\u81ea\u5b9a\u4e49\u53ea\u8bfb\u6570\u636e \u2502 \u2190 \u914d\u7f6e\u53c2\u6570\u3001\u5b57\u4f53\u3001\u56fa\u4ef6\u8d44\u6e90\u7b49
\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518
\n=<\/p>\n","protected":false},"excerpt":{"rendered":"

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