{"id":75568,"date":"2026-02-12T16:09:48","date_gmt":"2026-02-12T08:09:48","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/75568.html"},"modified":"2026-02-12T16:09:48","modified_gmt":"2026-02-12T08:09:48","slug":"%e4%bb%8e%e9%9b%b6%e5%88%b0%e4%b8%80%ef%bc%9akeil-c51%e4%b8%8eat89c52%e7%9a%84%e5%88%9d%e6%ac%a1%e9%82%82%e9%80%85%e4%b8%8e%e9%81%bf%e5%9d%91%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/75568.html","title":{"rendered":"\u4ece\u96f6\u5230\u4e00\uff1aKeil C51\u4e0eAT89C52\u7684\u521d\u6b21\u9082\u9005\u4e0e\u907f\u5751\u6307\u5357"},"content":{"rendered":"

\u4ece\u96f6\u5230\u4e00：Keil C51\u4e0eAT89C52\u7684\u521d\u6b21\u9082\u9005\u4e0e\u907f\u5751\u6307\u5357<\/h2>\n

\u8fd8\u8bb0\u5f97\u6211\u7b2c\u4e00\u6b21\u63a5\u89e6\u5355\u7247\u673a\u5f00\u53d1\u65f6\u7684\u60c5\u666f，\u9762\u5bf9\u964c\u751f\u7684\u5f00\u53d1\u73af\u5883\u548c\u590d\u6742\u7684\u786c\u4ef6\u8fde\u63a5，\u5185\u5fc3\u65e2\u5174\u594b\u53c8\u5fd0\u5fd1\u3002\u4f5c\u4e3a\u5d4c\u5165\u5f0f\u5f00\u53d1\u7684\u5165\u95e8\u7ecf\u5178\u7ec4\u5408，Keil C51\u548cAT89C52\u65e0\u7591\u662f\u5927\u591a\u6570\u5de5\u7a0b\u5e08\u7684\u6280\u672f\u8d77\u70b9\u3002\u672c\u6587\u5c06\u5e26\u4f60\u5b8c\u6574\u8d70\u8fc7\u8fd9\u6bb5\u6280\u672f\u65c5\u7a0b，\u4ece\u73af\u5883\u642d\u5efa\u5230\u7b2c\u4e00\u4e2a\u7a0b\u5e8f\u7684\u8c03\u8bd5\u8fd0\u884c，\u907f\u5f00\u90a3\u4e9b\u8ba9\u6211\u8e29\u8fc7\u5751\u7684\u5e38\u89c1\u9677\u9631\u3002<\/p>\n

1. \u5f00\u53d1\u73af\u5883\u642d\u5efa\u4e0e\u5de5\u7a0b\u521b\u5efa<\/h3>\n

\u642d\u5efa\u4e00\u4e2a\u7a33\u5b9a\u53ef\u9760\u7684\u5f00\u53d1\u73af\u5883\u662f\u6210\u529f\u7684\u7b2c\u4e00\u6b65\u3002Keil \u03bcVision\u4f5c\u4e3a\u4e1a\u754c\u6807\u51c6\u768451\u5355\u7247\u673a\u5f00\u53d1\u5de5\u5177，\u5176\u5b89\u88c5\u8fc7\u7a0b\u76f8\u5bf9\u7b80\u5355，\u4f46\u6709\u51e0\u4e2a\u5173\u952e\u70b9\u9700\u8981\u7279\u522b\u6ce8\u610f\u3002<\/p>\n

\u5b89\u88c5\u8def\u5f84\u7684\u9009\u62e9：\u6211\u5f3a\u70c8\u5efa\u8bae\u5c06Keil\u5b89\u88c5\u5728\u975e\u7cfb\u7edf\u76d8\u7684\u72ec\u7acb\u76ee\u5f55\u4e2d，\u6bd4\u5982D:\\\\Keil_v5\u3002\u907f\u514d\u4f7f\u7528\u5305\u542b\u4e2d\u6587\u6216\u7279\u6b8a\u5b57\u7b26\u7684\u8def\u5f84，\u8fd9\u6837\u53ef\u4ee5\u9632\u6b62\u540e\u7eed\u7f16\u8bd1\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u96be\u4ee5\u6392\u67e5\u7684\u8def\u5f84\u95ee\u9898\u3002\u5b89\u88c5\u5b8c\u6210\u540e，\u5efa\u8bae\u4ee5\u7ba1\u7406\u5458\u8eab\u4efd\u8fd0\u884c\u7a0b\u5e8f，\u786e\u4fdd\u6709\u8db3\u591f\u7684\u6743\u9650\u8fdb\u884c\u8bbe\u5907\u9a71\u52a8\u5b89\u88c5\u548c\u6587\u4ef6\u5199\u5165\u3002<\/p>\n

\u521b\u5efa\u65b0\u5de5\u7a0b\u65f6，\u5f88\u591a\u4eba\u4f1a\u5ffd\u7565\u5de5\u7a0b\u76ee\u5f55\u7684\u89c4\u8303\u7ba1\u7406\u3002\u6211\u4e60\u60ef\u4e3a\u6bcf\u4e2a\u9879\u76ee\u521b\u5efa\u72ec\u7acb\u7684\u6587\u4ef6\u5939，\u6309\u7167\u8fd9\u6837\u7684\u7ed3\u6784\u7ec4\u7ec7：<\/p>\n

Project_Folder\/
\n\u251c\u2500\u2500 Source\/ # \u5b58\u653e\u6e90\u6587\u4ef6
\n\u251c\u2500\u2500 Output\/ # \u7f16\u8bd1\u8f93\u51fa\u6587\u4ef6
\n\u251c\u2500\u2500 Listing\/ # \u5217\u8868\u6587\u4ef6
\n\u2514\u2500\u2500 Documentation\/ # \u9879\u76ee\u6587\u6863<\/p>\n

\u5728Keil\u4e2d\u65b0\u5efa\u5de5\u7a0b\u7684\u5177\u4f53\u6b65\u9aa4：<\/p>\n

  • \u9009\u62e9Project \u2192 New \u03bcVision Project<\/li>\n
  • \u5b9a\u4f4d\u5230\u521a\u624d\u521b\u5efa\u7684\u5de5\u7a0b\u6587\u4ef6\u5939<\/li>\n
  • \u547d\u540d\u5de5\u7a0b\u6587\u4ef6（\u4f7f\u7528\u82f1\u6587\u540d\u79f0）<\/li>\n
  • \u9009\u62e9\u82af\u7247\u578b\u53f7：\u5c55\u5f00Atmel\u76ee\u5f55，\u9009\u62e9AT89C52<\/li>\n

    \u91cd\u8981\u63d0\u793a：\u5f53\u5f39\u51fa"Copy Standard 8051 Startup Code to Project Folder?"\u5bf9\u8bdd\u6846\u65f6，\u9009\u62e9\u5426\u3002\u5bf9\u4e8e\u521d\u5b66\u8005\u6765\u8bf4，\u81ea\u52a8\u6dfb\u52a0\u7684STARTUP.A51\u6587\u4ef6\u53ef\u80fd\u4f1a\u589e\u52a0\u4e0d\u5fc5\u8981\u7684\u590d\u6742\u6027，\u6211\u4eec\u5c06\u5728\u5b8c\u5168\u638c\u63e1\u57fa\u7840\u540e\u518d\u5904\u7406\u542f\u52a8\u6587\u4ef6\u3002<\/p>\n

    2. \u6e90\u4ee3\u7801\u7f16\u5199\u4e0e\u6587\u4ef6\u7ba1\u7406<\/h3>\n

    \u6e90\u4ee3\u7801\u7684\u7ba1\u7406\u770b\u4f3c\u7b80\u5355，\u5b9e\u5219\u6697\u85cf\u7384\u673a\u3002\u9996\u5148\u9700\u8981\u660e\u786e\u7684\u662f，\u6c47\u7f16\u8bed\u8a00\u548cC\u8bed\u8a00\u7684\u6e90\u6587\u4ef6\u6269\u5c55\u540d\u4e0d\u540c：\u6c47\u7f16\u6587\u4ef6\u4f7f\u7528.asm\u540e\u7f00，C\u8bed\u8a00\u6587\u4ef6\u4f7f\u7528.c\u540e\u7f00\u3002\u8fd9\u4e2a\u5c0f\u5c0f\u7684\u533a\u522b\u5374\u7ecf\u5e38\u5bfc\u81f4\u7f16\u8bd1\u9519\u8bef\u3002<\/p>\n

    \u521b\u5efa\u6e90\u6587\u4ef6\u7684\u6b63\u786e\u6d41\u7a0b：<\/p>\n

  • \u70b9\u51fb\u83dc\u5355File \u2192 New\u521b\u5efa\u65b0\u6587\u4ef6<\/li>\n
  • \u7acb\u5373\u4f7f\u7528File \u2192 Save\u4fdd\u5b58\u6587\u4ef6<\/li>\n
  • \u5c06\u6587\u4ef6\u4fdd\u5b58\u5230\u5de5\u7a0b\u76ee\u5f55\u7684Source\u6587\u4ef6\u5939\u4e2d<\/li>\n
  • \u4f7f\u7528\u6709\u610f\u4e49\u7684\u82f1\u6587\u6587\u4ef6\u540d，\u5982main.c\u6216blinky.asm<\/li>\n

    \u5bf9\u4e8e\u6c47\u7f16\u8bed\u8a00\u5f00\u53d1，\u57fa\u672c\u7684\u7a0b\u5e8f\u7ed3\u6784\u5982\u4e0b：<\/p>\n

    ORG 0000H ; \u7a0b\u5e8f\u8d77\u59cb\u5730\u5740
    \nLJMP MAIN ; \u8df3\u8f6c\u5230\u4e3b\u7a0b\u5e8f<\/p>\n

    ORG 0030H ; \u4e3b\u7a0b\u5e8f\u5f00\u59cb\u5730\u5740
    \nMAIN:
    \n MOV P1, #0FFH ; \u521d\u59cb\u5316\u7aef\u53e3
    \n ; \u4e3b\u5faa\u73af\u5f00\u59cb
    \nLOOP:
    \n MOV A, #0FEH ; \u52a0\u8f7dLED\u6a21\u5f0f
    \n MOV P0, A ; \u8f93\u51fa\u5230\u7aef\u53e3
    \n ACALL DELAY ; \u8c03\u7528\u5ef6\u65f6\u51fd\u6570
    \n RL A ; \u5de6\u79fb\u4e00\u4f4d
    \n SJMP LOOP ; \u65e0\u9650\u5faa\u73af<\/p>\n

    DELAY:
    \n MOV R5, #200 ; \u5ef6\u65f6\u5b50\u7a0b\u5e8f
    \nDELAY2:
    \n MOV R6, #200
    \nDELAY1:
    \n DJNZ R6, DELAY1
    \n DJNZ R5, DELAY2
    \n RET ; \u8fd4\u56de<\/p>\n

    END ; \u7a0b\u5e8f\u7ed3\u675f<\/p>\n

    \u5bf9\u4e8eC\u8bed\u8a00\u5f00\u53d1，\u57fa\u672c\u6846\u67b6\u66f4\u4e3a\u7b80\u6d01：<\/p>\n

    #include <reg52.h> \/\/ \u5305\u542bAT89C52\u5bc4\u5b58\u5668\u5b9a\u4e49<\/p>\n

    void delay(void) {
    \n unsigned int i, j;
    \n for(i=0; i<1000; i++)
    \n for(j=0; j<120; j++);
    \n}<\/p>\n

    void main(void) {
    \n while(1) {
    \n P0 = 0xFE; \/\/ \u70b9\u4eae\u7b2c\u4e00\u4e2aLED
    \n delay();
    \n P0 = 0xFD; \/\/ \u70b9\u4eae\u7b2c\u4e8c\u4e2aLED
    \n delay();
    \n \/\/ \u7ee7\u7eed\u5176\u4ed6LED\u6a21\u5f0f
    \n }
    \n}<\/p>\n

    \u6587\u4ef6\u6dfb\u52a0\u7684\u5e38\u89c1\u9677\u9631：\u5728\u5c06\u6e90\u6587\u4ef6\u6dfb\u52a0\u5230\u5de5\u7a0b\u65f6，\u52a1\u5fc5\u901a\u8fc7\u53f3\u952e\u70b9\u51fbSource Group 1\u9009\u62e9Add Files to Group，\u800c\u4e0d\u662f\u76f4\u63a5\u62d6\u62fd\u6587\u4ef6\u3002\u786e\u4fdd\u5728\u6587\u4ef6\u7c7b\u578b\u4e0b\u62c9\u83dc\u5355\u4e2d\u9009\u62e9\u6b63\u786e\u7684\u6587\u4ef6\u7c7b\u578b（C\u6587\u4ef6\u6216\u6c47\u7f16\u6587\u4ef6），\u5426\u5219\u6587\u4ef6\u53ef\u80fd\u65e0\u6cd5\u6b63\u786e\u7f16\u8bd1\u3002<\/p>\n

    3. \u7f16\u8bd1\u914d\u7f6e\u4e0e\u9519\u8bef\u5904\u7406<\/h3>\n

    \u7f16\u8bd1\u662f\u5c06\u4eba\u7c7b\u53ef\u8bfb\u7684\u6e90\u4ee3\u7801\u8f6c\u6362\u4e3a\u673a\u5668\u53ef\u6267\u884c\u4ee3\u7801\u7684\u5173\u952e\u6b65\u9aa4\u3002\u6b63\u786e\u7684\u914d\u7f6e\u53ef\u4ee5\u907f\u514d\u5f88\u591a\u4ee4\u4eba\u5934\u75bc\u7684\u95ee\u9898\u3002<\/p>\n

    \u5de5\u7a0b\u914d\u7f6e\u8981\u70b9：
    \n\u5728Options for Target\u5bf9\u8bdd\u6846\u4e2d，\u6709\u51e0\u4e2a\u5173\u952e\u914d\u7f6e\u9700\u8981\u68c0\u67e5：<\/p>\n

      \n
    • Target\u6807\u7b7e：\u5c06\u6676\u632f\u9891\u7387Xtal (MHz)\u8bbe\u7f6e\u4e3a\u5b9e\u9645\u4f7f\u7528\u7684\u9891\u7387，\u901a\u5e38\u662f11.0592MHz\u621612MHz<\/li>\n
    • Output\u6807\u7b7e：\u52fe\u9009Create HEX File，\u8fd9\u662f\u4e0b\u8f7d\u5230\u5355\u7247\u673a\u5fc5\u9700\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6<\/li>\n
    • Debug\u6807\u7b7e：\u9009\u62e9\u4f7f\u7528\u8f6f\u4ef6\u4eff\u771fUse Simulator\u6216\u786c\u4ef6\u8c03\u8bd5\u5668<\/li>\n<\/ul>\n

      \u7f16\u8bd1\u8fc7\u7a0b\u4e2d\u6700\u5e38\u89c1\u7684\u9519\u8bef\u7c7b\u578b\u53ca\u5176\u89e3\u51b3\u65b9\u6cd5：<\/p>\n\n\u9519\u8bef\u7c7b\u578b\u53ef\u80fd\u539f\u56e0\u89e3\u51b3\u65b9\u6cd5<\/tr>\n\n\n\n\n\n
      Syntax error<\/td>\n\u8bed\u6cd5\u9519\u8bef，\u5982\u7f3a\u5c11\u5206\u53f7<\/td>\n\u68c0\u67e5\u9519\u8bef\u884c\u53ca\u4e0a\u4e00\u884c\u7684\u8bed\u6cd5<\/td>\n<\/tr>\n
      Undefined symbol<\/td>\n\u672a\u5b9a\u4e49\u7684\u53d8\u91cf\u6216\u51fd\u6570<\/td>\n\u68c0\u67e5\u62fc\u5199\u548c\u58f0\u660e\u4f4d\u7f6e<\/td>\n<\/tr>\n
      File not found<\/td>\n\u5934\u6587\u4ef6\u8def\u5f84\u9519\u8bef<\/td>\n\u5728Options\u4e2d\u8bbe\u7f6e\u6b63\u786e\u7684\u5305\u542b\u8def\u5f84<\/td>\n<\/tr>\n
      Memory model<\/td>\n\u5185\u5b58\u6a21\u5f0f\u4e0d\u5339\u914d<\/td>\n\u5728Target\u4e2d\u9009\u62e9\u5408\u9002\u7684Memory Model<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u7ecf\u9a8c\u5206\u4eab：\u8b66\u544a(Warning)\u6709\u65f6\u53ef\u4ee5\u5ffd\u7565，\u4f46\u7edd\u4e0d\u80fd\u5b8c\u5168\u5ffd\u89c6\u3002\u7279\u522b\u662f"unreferenced function"\u6216"data segment too large"\u8fd9\u7c7b\u8b66\u544a，\u5f80\u5f80\u9884\u793a\u7740\u6f5c\u5728\u7684\u95ee\u9898\u3002\u6211\u7684\u539f\u5219\u662f：\u5c3d\u91cf\u6d88\u9664\u6240\u6709\u8b66\u544a，\u786e\u4fdd\u4ee3\u7801\u7684\u6574\u6d01\u6027\u3002<\/p>\n

      \u5f53\u9047\u5230\u7f16\u8bd1\u9519\u8bef\u65f6，\u4e0d\u8981\u614c\u5f20\u3002\u53cc\u51fb\u9519\u8bef\u4fe1\u606f\u4f1a\u81ea\u52a8\u5b9a\u4f4d\u5230\u95ee\u9898\u884c\u53f7\u3002\u9996\u5148\u68c0\u67e5\u8be5\u884c\u53ca\u5176\u4e0a\u4e0b\u6587\u7684\u8bed\u6cd5，\u7279\u522b\u662f\u914d\u5bf9\u7684\u62ec\u53f7\u3001\u5f15\u53f7\u548c\u5206\u53f7\u3002\u5982\u679c\u95ee\u9898\u4e0d\u660e\u663e，\u5c1d\u8bd5\u6ce8\u91ca\u6389\u6700\u8fd1\u4fee\u6539\u7684\u4ee3\u7801\u6bb5，\u9010\u6b65\u6392\u67e5\u3002<\/p>\n

      4. \u8c03\u8bd5\u6280\u5de7\u4e0e\u6027\u80fd\u4f18\u5316<\/h3>\n

      \u8c03\u8bd5\u662f\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u6700\u5177\u6311\u6218\u6027\u4e5f\u6700\u6709\u6210\u5c31\u611f\u7684\u73af\u8282\u3002Keil\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u8c03\u8bd5\u529f\u80fd，\u638c\u63e1\u8fd9\u4e9b\u6280\u5de7\u53ef\u4ee5\u5927\u5e45\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u3002<\/p>\n

      \u57fa\u7840\u8c03\u8bd5\u64cd\u4f5c：<\/p>\n

        \n
      • \u5355\u6b65\u6267\u884c(F11)：\u9010\u6761\u8bed\u53e5\u6267\u884c，\u8fdb\u5165\u51fd\u6570\u5185\u90e8<\/li>\n
      • \u8fc7\u7a0b\u5355\u6b65(F10)：\u9010\u6761\u8bed\u53e5\u6267\u884c，\u4f46\u4e0d\u8fdb\u5165\u51fd\u6570<\/li>\n
      • \u8fd0\u884c\u5230\u5149\u6807\u5904(Ctrl+F10)：\u5feb\u901f\u6267\u884c\u5230\u5f53\u524d\u5149\u6807\u4f4d\u7f6e<\/li>\n
      • \u5168\u901f\u8fd0\u884c(F5)：\u5168\u901f\u6267\u884c\u7a0b\u5e8f<\/li>\n
      • \u505c\u6b62\u8fd0\u884c(Ctrl+F5)：\u4e2d\u65ad\u7a0b\u5e8f\u6267\u884c<\/li>\n<\/ul>\n

        \u5728\u8c03\u8bd5\u8fc7\u7a0b\u4e2d，\u89c2\u5bdf\u7a97\u53e3(View Window)\u662f\u6781\u5176\u6709\u7528\u7684\u5de5\u5177\u3002\u6211\u4e60\u60ef\u540c\u65f6\u6253\u5f00\u4ee5\u4e0b\u7a97\u53e3：<\/p>\n

          \n
        • \u5bc4\u5b58\u5668\u7a97\u53e3：\u89c2\u5bdfCPU\u5bc4\u5b58\u5668\u72b6\u6001\u53d8\u5316<\/li>\n
        • \u5b58\u50a8\u5668\u7a97\u53e3：\u67e5\u770b\u5185\u5b58\u6570\u636e，\u53ef\u4f7f\u7528D:\u5730\u5740\u683c\u5f0f\u67e5\u770b\u5185\u90e8RAM，X:\u5730\u5740\u67e5\u770b\u5916\u90e8RAM<\/li>\n
        • \u4e32\u884c\u7a97\u53e3：\u7528\u4e8e\u4e32\u53e3\u901a\u4fe1\u8c03\u8bd5<\/li>\n
        • \u53d8\u91cf\u89c2\u5bdf\u7a97\u53e3：\u6dfb\u52a0\u5173\u952e\u53d8\u91cf\u8fdb\u884c\u5b9e\u65f6\u76d1\u63a7<\/li>\n<\/ul>\n

          \u6027\u80fd\u4f18\u5316\u5efa\u8bae：<\/p>\n

        • \u5ef6\u65f6\u51fd\u6570\u4f18\u5316：\u907f\u514d\u4f7f\u7528\u7b80\u5355\u7684\u5faa\u73af\u5ef6\u65f6，\u8003\u8651\u4f7f\u7528\u5b9a\u65f6\u5668\u4e2d\u65ad<\/li>\n
        • \u53d8\u91cf\u7c7b\u578b\u9009\u62e9：\u6839\u636e\u6570\u636e\u8303\u56f4\u9009\u62e9\u5408\u9002\u7684\u53d8\u91cf\u7c7b\u578b，\u8282\u7701\u5185\u5b58\u7a7a\u95f4<\/li>\n
        • \u5faa\u73af\u4f18\u5316：\u5c06\u4e0d\u53d8\u7684\u8ba1\u7b97\u79fb\u5230\u5faa\u73af\u5916\u90e8<\/li>\n
        • \u4f4d\u64cd\u4f5c\u4f7f\u7528：\u4f7f\u7528\u4f4d\u57df\u548c\u4f4d\u64cd\u4f5c\u4ee3\u66ff\u6574\u578b\u6807\u5fd7\u4f4d<\/li>\n

          \/\/ \u4f18\u5316\u524d\u7684\u5ef6\u65f6\u51fd\u6570
          \nvoid delay(void) {
          \n unsigned int i, j;
          \n for(i=0; i<1000; i++)
          \n for(j=0; j<120; j++);
          \n}<\/p>\n

          \/\/ \u4f7f\u7528\u5b9a\u65f6\u5668\u4f18\u5316\u7684\u5ef6\u65f6
          \nvoid timer_delay(unsigned int ms) {
          \n TMOD |= 0x01; \/\/ \u5b9a\u65f6\u56680\u6a21\u5f0f1
          \n TH0 = 0xFC; \/\/ \u521d\u59cb\u5316\u5b9a\u65f6\u503c
          \n TL0 = 0x66;
          \n TR0 = 1; \/\/ \u542f\u52a8\u5b9a\u65f6\u5668<\/p>\n

          while(ms–) {
          \n while(!TF0); \/\/ \u7b49\u5f85\u6ea2\u51fa
          \n TF0 = 0;
          \n TH0 = 0xFC; \/\/ \u91cd\u65b0\u52a0\u8f7d\u521d\u503c
          \n TL0 = 0x66;
          \n }
          \n TR0 = 0; \/\/ \u505c\u6b62\u5b9a\u65f6\u5668
          \n}<\/p>\n

          5. \u786c\u4ef6\u8fde\u63a5\u4e0e\u5b9e\u7269\u8c03\u8bd5<\/h3>\n

          \u5f53\u8f6f\u4ef6\u8c03\u8bd5\u5b8c\u6210\u540e，\u5c31\u9700\u8981\u5728\u771f\u5b9e\u7684\u786c\u4ef6\u4e0a\u9a8c\u8bc1\u4e86\u3002AT89C52\u7684\u786c\u4ef6\u8fde\u63a5\u867d\u7136\u76f8\u5bf9\u7b80\u5355，\u4f46\u4ecd\u6709\u4e00\u4e9b\u7ec6\u8282\u9700\u8981\u6ce8\u610f\u3002<\/p>\n

          \u6700\u5c0f\u7cfb\u7edf\u8fde\u63a5\u8981\u6c42：<\/p>\n

            \n
          • \u7535\u6e90\u5f15\u811a：VCC(40\u811a)\u63a5+5V，GND(20\u811a)\u63a5\u5730<\/li>\n
          • \u590d\u4f4d\u7535\u8def：\u5728RST(9\u811a)\u4e0a\u8fde\u63a510k\u03a9\u4e0a\u62c9\u7535\u963b\u548c10\u03bcF\u7535\u5bb9\u5230\u5730<\/li>\n
          • \u65f6\u949f\u7535\u8def：\u5728XTAL1\u548cXTAL2\u4e4b\u95f4\u8fde\u63a512MHz\u6676\u632f，\u4e24\u4fa7\u5404\u63a530pF\u7535\u5bb9\u5230\u5730<\/li>\n
          • EA\/VPP(31\u811a)：\u63a5\u9ad8\u7535\u5e73\u4f7f\u7528\u5185\u90e8\u7a0b\u5e8f\u5b58\u50a8\u5668<\/li>\n<\/ul>\n

            LED\u8fde\u63a5\u65b9\u6848：
            \nAT89C52\u7684I\/O\u53e3\u9a71\u52a8\u80fd\u529b\u6709\u9650，\u5efa\u8bae\u4f7f\u7528\u704c\u7535\u6d41\u65b9\u5f0f\u8fde\u63a5LED：<\/p>\n

            \u5355\u7247\u673aP0\u53e3 \u2192 220\u03a9\u9650\u6d41\u7535\u963b \u2192 LED\u9633\u6781 \u2192 LED\u9634\u6781 \u2192 GND<\/p>\n

            \u8fd9\u79cd\u8fde\u63a5\u65b9\u5f0f\u4e0b，\u8f93\u51fa\u4f4e\u7535\u5e73(0)\u65f6LED\u70b9\u4eae，\u8f93\u51fa\u9ad8\u7535\u5e73(1)\u65f6LED\u7184\u706d\u3002<\/p>\n

            \u4e0b\u8f7d\u7a0b\u5e8f\u5230\u5355\u7247\u673a：<\/p>\n

          • \u4f7f\u7528USB\u8f6cTTL\u4e32\u53e3\u6a21\u5757\u8fde\u63a5\u7535\u8111\u548c\u5355\u7247\u673a<\/li>\n
          • \u8fde\u63a5TXD\u3001RXD\u548cGND\u7ebf（\u6ce8\u610f\u4ea4\u53c9\u8fde\u63a5：PC\u7684TXD\u63a5MCU\u7684RXD）<\/li>\n
          • \u4f7f\u7528\u70e7\u5f55\u8f6f\u4ef6（\u5982Flash Magic）\u9009\u62e9\u751f\u6210\u7684HEX\u6587\u4ef6<\/li>\n
          • \u8bbe\u7f6e\u6b63\u786e\u7684\u4e32\u53e3\u53f7\u548c\u6ce2\u7279\u7387（\u901a\u5e38\u4e3a9600）<\/li>\n
          • \u5f00\u59cb\u7f16\u7a0b\u5e76\u9a8c\u8bc1<\/li>\n

            \u5728\u5b9e\u9645\u8c03\u8bd5\u4e2d，\u6211\u603b\u7ed3\u4e86\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6cd5：<\/p>\n

            \u7a0b\u5e8f\u4e0b\u8f7d\u5931\u8d25：\u68c0\u67e5\u4e32\u53e3\u8fde\u63a5\u3001\u7535\u6e90\u4f9b\u5e94\u548c\u590d\u4f4d\u7535\u8def\u3002\u786e\u4fdd\u5355\u7247\u673a\u5904\u4e8e\u7f16\u7a0b\u6a21\u5f0f（\u67d0\u4e9b\u578b\u53f7\u9700\u8981\u51b7\u542f\u52a8）\u3002<\/p>\n

            LED\u4e0d\u4eae\u6216\u5f02\u5e38：\u4f7f\u7528\u4e07\u7528\u8868\u68c0\u67e5\u7aef\u53e3\u8f93\u51fa\u7535\u538b，\u786e\u8ba4LED\u6781\u6027\u8fde\u63a5\u6b63\u786e\u3002\u8bb0\u5f97AT89C52\u7684P0\u53e3\u9700\u8981\u5916\u63a5\u4e0a\u62c9\u7535\u963b\u3002<\/p>\n

            \u7a0b\u5e8f\u8fd0\u884c\u4e0d\u7a33\u5b9a：\u68c0\u67e5\u7535\u6e90\u6ee4\u6ce2\u7535\u5bb9，\u786e\u4fdd\u7535\u6e90\u5e72\u51c0\u7a33\u5b9a\u3002\u5728VCC\u548cGND\u4e4b\u95f4\u6dfb\u52a00.1\u03bcF\u7684\u53bb\u8026\u7535\u5bb9\u3002<\/p>\n

            6. \u8fdb\u9636\u6280\u5de7\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h3>\n

            \u638c\u63e1\u4e86\u57fa\u7840\u77e5\u8bc6\u540e，\u4e00\u4e9b\u8fdb\u9636\u6280\u5de7\u53ef\u4ee5\u8ba9\u4f60\u66f4\u52a0\u6e38\u5203\u6709\u4f59\u3002<\/p>\n

            \u4ee3\u7801\u7ec4\u7ec7\u5efa\u8bae：
            \n\u5c06\u4e0d\u540c\u529f\u80fd\u7684\u4ee3\u7801\u6a21\u5757\u5316，\u5206\u5f00\u5230\u4e0d\u540c\u7684\u6587\u4ef6\u4e2d\u3002\u4f8b\u5982：<\/p>\n

              \n
            • main.c：\u4e3b\u7a0b\u5e8f\u5faa\u73af\u548c\u6574\u4f53\u903b\u8f91<\/li>\n
            • delay.c：\u5ef6\u65f6\u76f8\u5173\u51fd\u6570<\/li>\n
            • led.c：LED\u63a7\u5236\u51fd\u6570<\/li>\n
            • key.c：\u6309\u952e\u626b\u63cf\u51fd\u6570<\/li>\n<\/ul>\n

              \u4f7f\u7528\u5934\u6587\u4ef6(.h)\u58f0\u660e\u51fd\u6570\u548c\u5168\u5c40\u53d8\u91cf，\u5728\u6e90\u6587\u4ef6(.c)\u4e2d\u5b9e\u73b0\u5177\u4f53\u529f\u80fd\u3002\u8fd9\u6837\u4e0d\u4ec5\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027，\u4e5f\u4fbf\u4e8e\u56e2\u961f\u534f\u4f5c\u548c\u4ee3\u7801\u91cd\u7528\u3002<\/p>\n

              \u7248\u672c\u63a7\u5236\u5165\u95e8：
              \n\u5373\u4f7f\u4e2a\u4eba\u9879\u76ee\u4e5f\u5efa\u8bae\u4f7f\u7528Git\u8fdb\u884c\u7248\u672c\u63a7\u5236\u3002\u57fa\u672c\u5de5\u4f5c\u6d41\u7a0b：<\/p>\n

              # \u521d\u59cb\u5316\u4ed3\u5e93
              \ngit init<\/p>\n

              # \u6dfb\u52a0\u6587\u4ef6\u5230\u6682\u5b58\u533a
              \ngit add .<\/p>\n

              # \u63d0\u4ea4\u66f4\u6539
              \ngit commit -m "\u521d\u59cb\u7248\u672c：\u5b8c\u6210LED\u6d41\u6c34\u706f\u529f\u80fd"<\/p>\n

              # \u67e5\u770b\u63d0\u4ea4\u5386\u53f2
              \ngit log<\/p>\n

              \u8d44\u6e90\u7ba1\u7406\u6280\u5de7：
              \nAT89C52\u7684\u8d44\u6e90\u6709\u9650（8KB Flash，256B RAM），\u9700\u8981\u7cbe\u5fc3\u7ba1\u7406：<\/p>\n

                \n
              • \u4f7f\u7528code\u5173\u952e\u5b57\u5c06\u5e38\u91cf\u6570\u636e\u5b58\u50a8\u5728Flash\u4e2d<\/li>\n
              • \u4f7f\u7528data\u548cidata\u5408\u7406\u5206\u914d\u5185\u90e8RAM<\/li>\n
              • \u907f\u514d\u4f7f\u7528\u5927\u578b\u5e93\u51fd\u6570\u548c\u9012\u5f52\u8c03\u7528<\/li>\n
              • \u8c28\u614e\u4f7f\u7528\u6d6e\u70b9\u8fd0\u7b97，\u5c3d\u91cf\u4f7f\u7528\u5b9a\u70b9\u6570\u6216\u6574\u6570\u8fd0\u7b97<\/li>\n<\/ul>\n

                \/\/ \u8d44\u6e90\u4f18\u5316\u793a\u4f8b
                \nunsigned char code LED_TABLE[] = { \/\/ \u4f7f\u7528code\u5c06\u8868\u683c\u5b58\u50a8\u5728Flash\u4e2d
                \n 0xFE, 0xFD, 0xFB, 0xF7,
                \n 0xEF, 0xDF, 0xBF, 0x7F
                \n};<\/p>\n

                void efficient_led_show(void) {
                \n static unsigned char index = 0; \/\/ \u9759\u6001\u53d8\u91cf\u8282\u7701\u6808\u7a7a\u95f4<\/p>\n

                P0 = LED_TABLE[index];
                \n index = (index + 1) % 8;
                \n}<\/p>\n

                \u901a\u8fc7\u672c\u6587\u7684\u8be6\u7ec6\u4ecb\u7ecd，\u76f8\u4fe1\u4f60\u5df2\u7ecf\u5bf9Keil C51\u548cAT89C52\u7684\u5165\u95e8\u5f00\u53d1\u6709\u4e86\u5168\u9762\u7684\u4e86\u89e3\u3002\u8bb0\u4f4f，\u5355\u7247\u673a\u5f00\u53d1\u662f\u4e00\u4e2a\u5b9e\u8df5\u6027\u6781\u5f3a\u7684\u9886\u57df，\u591a\u52a8\u624b\u3001\u591a\u8c03\u8bd5\u3001\u591a\u603b\u7ed3\u624d\u80fd\u771f\u6b63\u638c\u63e1\u3002\u6bcf\u4e2a\u5de5\u7a0b\u5e08\u7684\u6210\u957f\u4e4b\u8def\u90fd\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898，\u5173\u952e\u662f\u8981\u4fdd\u6301\u8010\u5fc3\u548c\u597d\u5947\u5fc3，\u4eab\u53d7\u89e3\u51b3\u95ee\u9898\u7684\u8fc7\u7a0b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

                \u4ece\u96f6\u5230\u4e00：Keil C51\u4e0eAT89C52\u7684\u521d\u6b21\u9082\u9005\u4e0e\u907f\u5751\u6307\u5357
                \n\u8fd8\u8bb0\u5f97\u6211\u7b2c\u4e00\u6b21\u63a5\u89e6\u5355\u7247\u673a\u5f00\u53d1\u65f6\u7684\u60c5\u666f，\u9762\u5bf9\u964c\u751f\u7684\u5f00\u53d1\u73af\u5883\u548c\u590d\u6742\u7684\u786c\u4ef6\u8fde\u63a5，\u5185\u5fc3\u65e2\u5174\u594b\u53c8\u5fd0\u5fd1\u3002\u4f5c\u4e3a\u5d4c\u5165\u5f0f\u5f00\u53d1\u7684\u5165\u95e8\u7ecf\u5178\u7ec4\u5408，Keil C51\u548cAT89C52\u65e0\u7591\u662f\u5927\u591a\u6570\u5de5\u7a0b\u5e08\u7684\u6280\u672f\u8d77\u70b9\u3002\u672c\u6587\u5c06\u5e26\u4f60\u5b8c\u6574\u8d70\u8fc7\u8fd9\u6bb5\u6280\u672f\u65c5\u7a0b，\u4ece\u73af\u5883\u642d\u5efa\u5230\u7b2c\u4e00\u4e2a\u7a0b\u5e8f\u7684\u8c03\u8bd5\u8fd0\u884c，\u907f\u5f00\u90a3\u4e9b\u8ba9\u6211\u8e29\u8fc7\u5751\u7684\u5e38\u89c1\u9677\u9631\u3002
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