{"id":36,"date":"2025-05-02T22:08:06","date_gmt":"2025-05-02T14:08:06","guid":{"rendered":"https:\/\/monykate.com\/?p=36"},"modified":"2026-03-31T19:22:21","modified_gmt":"2026-03-31T11:22:21","slug":"cortex-m3%e4%bb%80%e4%b9%88%e6%83%85%e5%86%b5","status":"publish","type":"post","link":"https:\/\/monykate.com\/index.php\/2025\/05\/02\/cortex-m3%e4%bb%80%e4%b9%88%e6%83%85%e5%86%b5\/","title":{"rendered":"Cortex-M3\u57fa\u672c\u60c5\u51b5"},"content":{"rendered":"\n

\u672c\u6587\u91cd\u70b9\u4ecb\u7ecdCortexM3\u7684\u67b6\u6784\uff0c\u4ee5\u53ca\u901a\u7528\u5bc4\u5b58\u5668\u3002<\/p>\n\n\n\n

    \n
  1. \u67b6\u6784\u63cf\u8ff0<\/li>\n<\/ol>\n\n\n\n

    Cortex-M3\u662f\u4e00\u4e2a32\u4f4d\u5904\u7406\u5668\u5185\u6838\uff0c\u5185\u90e8\u7684\u6570\u636e\u8def\u5f84\u662f32\u4f4d\u7684\uff0c\u5bc4\u5b58\u5668\u662f32\u4f4d\u7684\uff0c\u5b58\u50a8\u5668\u63a5\u53e3\u4e5f\u662f32\u4f4d\u7684\u3002\u5b83\u91c7\u7528\u4e86\u54c8\u4f5b\u7ed3\u6784\uff0c\u62e5\u6709\u72ec\u7acb\u7684\u6307\u4ee4\u603b\u7ebf\u548c\u6570\u636e\u603b\u7ebf\uff0c\u53ef\u4ee5\u8ba9\u53d6\u6307\u4e0e\u6570\u636e\u8bbf\u95ee\u540c\u65f6\u8fd0\u884c\u3002<\/p>\n\n\n\n

    Cortex-M3\u5185\u90e8\u542b\u6709\u591a\u6761\u603b\u7ebf\u63a5\u53e3\uff0c\u6bcf\u6761\u90fd\u4e3a\u81ea\u5df1\u7684\u5e94\u7528\u573a\u5408\u4f18\u5316\u8fc7\uff0c\u5e76\u4e14\u5b83\u4eec\u53ef\u4ee5\u5e76\u884c\u5de5\u4f5c\u3002\u6307\u4ee4\u603b\u7ebf\u548c\u6570\u636e\u603b\u7ebf\u5171\u4eab\u540c\u4e00\u4e2a\u5b58\u50a8\u5668\u7a7a\u95f4\uff08\u4e00\u4e2a\u7edf\u4e00\u7684\u5b58\u50a8\u5668\u7cfb\u7edf\uff09\uff0c\u800c\u4e0d\u662f\u56e0\u4e3a\u6709\u4e24\u6761\u603b\u7ebf\uff0c\u53ef\u5bfb\u5740\u7a7a\u95f4\u5c31\u53d8\u62108GB\u4e86\u3002\u4e3a\u5b9e\u73b0\u8fd9\u4e2a\u7279\u6027\uff0c\u4e8e\u662fCortex-M3\u5185\u90e8\u8bbe\u8ba1\u4e86\u591a\u6761\u603b\u7ebf\u63a5\u53e3\u3002<\/p>\n\n\n\n

    \u540c\u65f6\uff0cCortex-M3\u5185\u90e8\u8fd8\u9644\u8d60\u4e86\u597d\u591a\u8c03\u8bd5\u7ec4\u4ef6\uff0c\u7528\u4e8e\u5728\u786c\u4ef6\u6c34\u5e73\u4e0a\u652f\u6301\u8c03\u8bd5\u64cd\u4f5c\uff0c\u5982\u6307\u4ee4\u65ad\u70b9\uff0c\u6570\u636e\u89c2\u5bdf\u70b9\u7b49\u3002\u53e6\u5916\uff0c\u4e3a\u652f\u6301\u66f4\u9ad8\u7ea7\u7684\u8c03\u8bd5\uff0c\u8fd8\u6709\u5176\u5b83\u53ef\u9009\u7ec4\u4ef6\uff0c\u5305\u62ec\u6307\u4ee4\u8ddf\u8e2a\u548c\u591a\u79cd\u7c7b\u578b\u7684\u8c03\u8bd5\u63a5\u53e3\u3002<\/p>\n\n\n\n

    \u4ee5\u4e0b\u662f\u4e00\u5f20\u6bd4\u8f83\u7ecf\u5178\u7684CM3\u5185\u90e8\u67b6\u6784\u56fe\uff0c\u4ece\u56fe\u4e2d\u6211\u4eec\u80fd\u770b\u51fa\uff0cArm\u53ea\u8bbe\u8ba1\u4e86\u5185\u6838\u548c\u8c03\u8bd5\u90e8\u5206\uff0c\u4ee5\u53ca\u5185\u6838\u5bf9\u5916\u7684\u603b\u7ebf\u63a5\u53e3\u3002\u82af\u7247\u516c\u53f8\u5219\u5c06\u4e00\u4e9b\u5916\u56f4\u63a5\u53e3\u901a\u8fc7\u603b\u7ebf\u4f9b\u5185\u6838\u8bbf\u95ee\u3002<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n
      \n
    • \u5bc4\u5b58\u5668\u63cf\u8ff0<\/li>\n<\/ul>\n\n\n\n
      \"\"<\/figure>\n\n\n\n

      R0-R12\uff08\u901a\u7528\u5bc4\u5b58\u5668\uff09\uff1a\u8fd9\u4e9b\u5bc4\u5b58\u5668\u53ef\u7528\u4e8e\u5b58\u50a8\u4efb\u610f\u6570\u636e\uff0cR0\u662f\u7279\u6b8a\u5bc4\u5b58\u5668\uff0c\u901a\u5e38\u88ab\u7528\u4f5c\u5b50\u51fd\u6570\u7684\u8fd4\u56de\u503c\uff0cR1-R3\u53ef\u4ee5\u7528\u4e8e\u5b58\u50a8\u51fd\u6570\u53c2\u6570\u3002\u8fd9\u90e8\u5206\u53c8\u5206\u9ad8\u4f4e\u4e24\u90e8\u5206\uff0cR0 – R7\u4e3a\u4f4e\u7ec4\u5bc4\u5b58\u5668\uff0c\u80fd\u88ab16\u4f4d\u6307\u4ee4\u8bbf\u95ee\uff1bR8 – R12\u4e3a\u9ad8\u7ec4\u5bc4\u5b58\u5668\uff0c\u53ea\u80fd\u88ab32\u4f4d\u6307\u4ee4\u548c\u5c11\u91cf16\u4f4d\u6307\u4ee4\u8bbf\u95ee\u3002<\/p>\n\n\n\n

      R13\uff08SP\u5806\u6808\u6307\u9488\uff09\uff1a\u6307\u5b9a\u5f53\u524d\u6808\u7684\u9876\u90e8\u4f4d\u7f6e\u3002\u5728Cortex-M3\u4e2d\uff0c\u5806\u6808\u7528\u4e8e\u5b58\u50a8\u51fd\u6570\u8c03\u7528\u548c\u4e2d\u65ad\u670d\u52a1\u4f8b\u7a0b(ISR)\u7684\u4e0a\u4e0b\u6587\u3002SP\u4e5f\u7528\u4e8e\u5728\u51fd\u6570\u8fd4\u56de\u65f6\u6062\u590d\u8c03\u7528\u8005\u5bc4\u5b58\u5668\u7684\u503c\u3002SP\u7565\u6709\u7279\u6b8a\uff0c\u8ddfCPU\u6a21\u5f0f\u6709\u5173\uff0c\u5982\u679c\u5f53\u524d\u6a21\u5f0f\u4e3a\u7279\u6743\u6a21\u5f0f\uff0c\u90a3\u4e48R13\u653e\u7684\u662f\u4e3b\u5806\u6808\u6307\u9488\uff1b\u5982\u679c\u6a21\u5f0f\u662f\u8fdb\u7a0b\u5219R13\u4e2d\u653e\u7684\u662f\u8fdb\u7a0b\u5bf9\u6218\u6307\u9488\u3002<\/p>\n\n\n\n

      R14\uff08LR\u94fe\u63a5\u5bc4\u5b58\u5668\uff09\uff1a\u7528\u4e8e\u5b58\u50a8\u51fd\u6570\u8fd4\u56de\u5730\u5740\u3002\u5f53\u4e00\u4e2a\u51fd\u6570\u8c03\u7528\u53e6\u4e00\u4e2a\u51fd\u6570\u65f6\uff0c\u88ab\u8c03\u7528\u51fd\u6570\u7684\u8fd4\u56de\u5730\u5740\u88ab\u5b58\u50a8\u5728LR\u4e2d\uff0c\u4ee5\u4fbf\u5728\u51fd\u6570\u8fd4\u56de\u65f6\u4f7f\u7528\u3002<\/p>\n\n\n\n

      R15\uff08PC\u7a0b\u5e8f\u8ba1\u6570\u5668\uff09\uff1a\u5305\u542b\u5f53\u524d\u6267\u884c\u7684\u6307\u4ee4\u5730\u5740\u3002\u5f53\u5fae\u63a7\u5236\u5668\u6267\u884c\u4e00\u6761\u6307\u4ee4\u65f6\uff0cPC\u4f1a\u81ea\u52a8\u589e\u52a0\u4e00\u4e2a\u6307\u4ee4\u7684\u957f\u5ea6\uff0c\u4ee5\u4fbf\u6307\u5411\u4e0b\u4e00\u6761\u6307\u4ee4\u3002<\/p>\n\n\n\n

        \n
      • HardFault<\/li>\n<\/ul>\n\n\n\n

        \u5f53\u7a0b\u5e8f\u4ea7\u751f\u5f02\u5e38\u6216\u4e2d\u65ad\u65f6\uff0cCM3\u786c\u4ef6\u4f1a\u8fdb\u884c\u538b\u6808\u64cd\u4f5c\uff0c\u4f1a\u4f9d\u6b21\u5c06xPSR, PC, LR, R12\u4ee5\u53caR3\u2010R0\u7531\u786c\u4ef6\u81ea\u52a8\u538b\u5165\u9002\u5f53\u7684\u5806\u6808\u4e2d\u3002\u8fd9\u4e2a\u64cd\u4f5c\u662f\u786c\u4ef6\u5b8c\u6210\u7684\u3002\u6240\u4ee5\u5728\u6392\u67e5hardfault\u95ee\u9898\u65f6\uff0c\u9996\u5148\u5728hardfault\u5f02\u5e38\u4e2d\u65ad\u5904\u7406\u4e2d\u6253\u4e2a\u65ad\u70b9\uff0c\u7a0b\u5e8f\u8fd0\u884c\u5230\u65ad\u70b9\u65f6\uff0c\u6253\u5f00\u5806\u6808view\uff0c\u6216\u8005\u901a\u8fc7CPU\u5bc4\u5b58\u5668\u7684\u5806\u6808\u5730\u5740\uff0c\u5b9a\u4f4d\u5230memory view\u4e2d\u7684\u4f4d\u7f6e\uff0c\u7136\u540e\u5f80\u56de\u63a8\u7b2c6\u4e2a\u503cLR\u5373\u8df3\u8f6c\u524d\u51fa\u9519\u51fd\u6570\u7684\u5730\u5740\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

        \u672c\u6587\u91cd\u70b9\u4ecb\u7ecdCortexM3\u7684\u67b6\u6784\uff0c\u4ee5\u53ca\u901a\u7528\u5bc4\u5b58\u5668\u3002 Cortex-M3\u662f\u4e00\u4e2a32\u4f4d\u5904\u7406\u5668\u5185\u6838\uff0c\u5185\u90e8\u7684\u6570\u636e\u8def\u5f84 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","footnotes":""},"categories":[1,31],"tags":[],"class_list":["post-36","post","type-post","status-publish","format-standard","hentry","category-uncategorized","category-31"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/monykate.com\/index.php\/wp-json\/wp\/v2\/posts\/36","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/monykate.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/monykate.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/monykate.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/monykate.com\/index.php\/wp-json\/wp\/v2\/comments?post=36"}],"version-history":[{"count":4,"href":"https:\/\/monykate.com\/index.php\/wp-json\/wp\/v2\/posts\/36\/revisions"}],"predecessor-version":[{"id":72,"href":"https:\/\/monykate.com\/index.php\/wp-json\/wp\/v2\/posts\/36\/revisions\/72"}],"wp:attachment":[{"href":"https:\/\/monykate.com\/index.php\/wp-json\/wp\/v2\/media?parent=36"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/monykate.com\/index.php\/wp-json\/wp\/v2\/categories?post=36"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/monykate.com\/index.php\/wp-json\/wp\/v2\/tags?post=36"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}