{"id":90408,"date":"2024-03-28T09:45:26","date_gmt":"2024-03-28T01:45:26","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=90408"},"modified":"2024-03-28T09:45:54","modified_gmt":"2024-03-28T01:45:54","slug":"sxpjs-2","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/90408.html","title":{"rendered":"STM32F407\u82af\u7247\u4ecb\u7ecd"},"content":{"rendered":"\n<p>\u3000\u3000<strong>STM32F407<\/strong>\u662f\u4e00\u6b3e\u7531ST\u5fae\u7535\u5b50\u516c\u53f8\u63a8\u51fa\u768432\u4f4dARM Cortex-M4\u5185\u6838\u5904\u7406\u5668\uff0c\u5177\u6709\u4f4e\u529f\u8017\u3001\u9ad8\u6027\u80fd\u548c\u4ef7\u683c\u5b9e\u60e0\u7684\u7279\u70b9\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u5e94\u7528\u573a\u666f\u3002\u5b83\u652f\u6301\u9ad8\u901f\u6570\u636e\u5904\u7406\uff0c\u80fd\u591f\u8fde\u63a5\u591a\u79cd\u5916\u8bbe\uff0c\u5e76\u517c\u5bb9\u591a\u79cd\u64cd\u4f5c\u7cfb\u7edf\uff0c\u663e\u793a\u51fa\u5176\u9ad8\u5ea6\u7684\u7075\u6d3b\u6027\u3002\u5177\u4f53\u5230\u786c\u4ef6\u914d\u7f6e\uff0cSTM32F407\/417\u63d0\u4f9b\u4e862\u4e2aUSB OTG\u63a5\u53e3(\u5176\u4e2d\u4e00\u4e2a\u652f\u6301\u9ad8\u901f\u6a21\u5f0f)\uff0c\u4e13\u7528\u97f3\u9891PLL\u548c2\u4e2a\u5168\u53cc\u5de5I\u00b2S\u63a5\u53e3\uff0c\u4ee5\u53ca\u591a\u8fbe15\u4e2a\u901a\u4fe1\u63a5\u53e3\uff0c\u5305\u62ec6\u4e2a\u901f\u5ea6\u9ad8\u8fbe11.25 Mb\/s\u7684USART\u30013\u4e2a\u901f\u5ea6\u9ad8\u8fbe45 Mb\/s\u7684SPI\u7b49\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u6027\u80fd\u65b9\u9762\uff0cSTM32F407\u7cfb\u5217\u7684\u5de5\u4f5c\u9891\u7387\u4e3a168 MHz\uff0c\u62e5\u6709\u9ad8\u8fbe1MB\u7684Flash\u5b58\u50a8\u7a7a\u95f4\uff0c\u589e\u52a0\u4e86\u4ee5\u592a\u7f51MAC\u548c\u7167\u76f8\u673a\u63a5\u53e3\u7b49\u7279\u6027\u3002\u6b64\u5916\uff0cSTM32F407VET6\u578b\u53f7\u5177\u5907512K\u5b57\u8282\u7684\u95ea\u5b58\u548c196K\u5b57\u8282\u7684SRAM\uff0c\u5176\u4e2d\u5305\u62ec64K\u5b57\u8282\u7684\u6838\u5fc3\u8026\u5408\u5b58\u50a8\u5668(CCM)\u6570\u636eRAM\uff0c\u4ee5\u53ca3\u4e2a12\u4f4d\u30012.4MSPS\u7684\u6a21\u6570\u8f6c\u6362\u5668\u548c2\u4e2a12\u4f4d\u7684\u6570\u6a21\u8f6c\u6362\u5668\u3002<\/p>\n\n\n\n<p>\u3000\u3000STM32F407\u7684\u5e94\u7528\u9886\u57df\u975e\u5e38\u5e7f\u6cdb\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u5de5\u4e1a\u63a7\u5236\u3001\u667a\u80fd\u5bb6\u5c45\u3001\u533b\u7597\u8bbe\u5907\u7b49\u5d4c\u5165\u5f0f\u7cfb\u7edf\u8bbe\u8ba1\u3002\u5b83\u7684\u5f3a\u5927\u529f\u80fd\u548c\u6613\u7528\u6027\u4f7f\u5176\u6210\u4e3a\u5e02\u573a\u4e0a\u5907\u53d7\u5173\u6ce8\u7684\u5fae\u63a7\u5236\u5668\u4e4b\u4e00\u3002\u6b64\u5916\uff0cSTM32F407\u8fd8\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5916\u8bbe\u652f\u6301\uff0c\u5982\u5b9a\u65f6\u5668\u3001USART\u901a\u9053\u3001PWM\u5206\u8fa8\u7387\u7b49\uff0c\u8fdb\u4e00\u6b65\u589e\u5f3a\u4e86\u5176\u5728\u5404\u79cd\u5e94\u7528\u4e2d\u7684\u9002\u7528\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000STM32F407\u662f\u4e00\u6b3e\u529f\u80fd\u5f3a\u5927\u3001\u5e94\u7528\u5e7f\u6cdb\u7684\u5fae\u63a7\u5236\u5668\uff0c\u9002\u5408\u4e8e\u9700\u8981\u9ad8\u6027\u80fd\u3001\u4f4e\u529f\u8017\u89e3\u51b3\u65b9\u6848\u7684\u5404\u79cd\u5d4c\u5165\u5f0f\u7cfb\u7edf\u8bbe\u8ba1\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 STM32F407\u82af\u7247\u7684\u529f\u8017\u6027\u80fd\u5982\u4f55\uff0c\u4e0e\u540c\u7c7b\u4ea7\u54c1\u76f8\u6bd4\u6709\u4f55\u4f18\u52bf?<\/h2>\n\n\n\n<p>\u3000\u3000STM32F407\u82af\u7247\u662f\u4e00\u6b3e\u9ad8\u6027\u80fd\u3001\u4f4e\u529f\u8017\u768432\u4f4d\u5fae\u63a7\u5236\u5668\uff0c\u5b83\u91c7\u7528\u4e86ARM Cortex-M4\u5185\u6838\uff0c\u80fd\u591f\u63d0\u4f9b\u6781\u9ad8\u7684\u6027\u80fd\u548c\u5f3a\u5927\u7684\u8ba1\u7b97\u80fd\u529b\u3002\u4e0e\u540c\u7c7b\u4ea7\u54c1\u76f8\u6bd4\uff0cSTM32F407\u7684\u4f18\u52bf\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u6027\u80fd\u4f18\u52bf\uff1aSTM32F407\u7684\u6027\u80fd\u6bd4\u5176\u4ed6\u540c\u7c7b\u4ea7\u54c1\u66f4\u4f18\u79c0\uff0c\u8fd9\u5f97\u76ca\u4e8e\u5176ARM Cortex-M4\u5185\u6838\uff0c\u80fd\u591f\u6ee1\u8db3\u591a\u79cd\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42\uff0c\u63d0\u4f9b\u66f4\u9ad8\u7684\u6548\u7387\u548c\u7cbe\u5ea6\u3002\u8fd9\u610f\u5473\u7740\u5728\u5904\u7406\u590d\u6742\u7684\u63a7\u5236\u4efb\u52a1\u65f6\uff0cSTM32F407\u80fd\u591f\u66f4\u52a0\u9ad8\u6548\u5730\u5b8c\u6210\u4efb\u52a1\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1\uff1aSTM32F407\u652f\u6301\u591a\u79cd\u4f4e\u529f\u8017\u6a21\u5f0f\uff0c\u5305\u62ec5\u00b5A\u7684STOP\u505c\u6b62\u6a21\u5f0f\u4ee5\u53ca0.2\u00b5A\u7684\u5f85\u673a\u6a21\u5f0f(RTC\u8fd0\u884c)\uff0c\u8fd9\u4e9b\u7279\u6027\u4f7f\u5f97STM32F407\u5728\u4fdd\u6301\u9ad8\u6027\u80fd\u7684\u540c\u65f6\uff0c\u4e5f\u5177\u6709\u51fa\u8272\u7684\u4f4e\u529f\u8017\u6027\u80fd\u3002\u8fd9\u79cd\u4f4e\u529f\u8017\u8bbe\u8ba1\u5bf9\u4e8e\u9700\u8981\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u5e94\u7528\u573a\u666f\u5c24\u4e3a\u91cd\u8981\uff0c\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u80fd\u8017\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u96c6\u6210\u5ea6\u9ad8\uff1aSTM32F407\u96c6\u6210\u4e86\u591a\u79cd\u5916\u8bbe\u63a5\u53e3\uff0c\u5177\u6709\u9ad8\u901f\u5904\u7406\u80fd\u529b\uff0c\u8fd9\u4f7f\u5f97\u5b83\u5728\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u901a\u4fe1\u65f6\u66f4\u52a0\u9ad8\u6548\u3002\u9ad8\u96c6\u6210\u5ea6\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\uff0c\u4e5f\u6709\u52a9\u4e8e\u7b80\u5316\u8bbe\u8ba1\uff0c\u51cf\u5c11\u5916\u90e8\u7ec4\u4ef6\u7684\u9700\u6c42\uff0c\u4ece\u800c\u8fdb\u4e00\u6b65\u964d\u4f4e\u529f\u8017\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000STM32F407\u82af\u7247\u5728\u540c\u7c7b\u4ea7\u54c1\u4e2d\u5177\u6709\u660e\u663e\u7684\u6027\u80fd\u4f18\u52bf\u548c\u4f4e\u529f\u8017\u8bbe\u8ba1\u4f18\u52bf\u3002\u5176\u9ad8\u6027\u80fd\u7684ARM Cortex-M4\u5185\u6838\u3001\u591a\u6837\u7684\u4f4e\u529f\u8017\u6a21\u5f0f\u4ee5\u53ca\u9ad8\u96c6\u6210\u5ea6\u7684\u8bbe\u8ba1\uff0c\u4f7f\u5176\u6210\u4e3a\u5904\u7406\u590d\u6742\u63a7\u5236\u4efb\u52a1\u7684\u7406\u60f3\u9009\u62e9\uff0c\u5c24\u5176\u9002\u5408\u4e8e\u5bf9\u529f\u8017\u654f\u611f\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 STM32F407\u652f\u6301\u7684\u6700\u65b0\u64cd\u4f5c\u7cfb\u7edf\u6709\u54ea\u4e9b\uff0c\u4ee5\u53ca\u5982\u4f55\u5728\u8fd9\u4e9b\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fdb\u884c\u5f00\u53d1?<\/h2>\n\n\n\n<p>\u3000\u3000STM32F407\u652f\u6301\u7684\u6700\u65b0\u64cd\u4f5c\u7cfb\u7edf\u5305\u62ecOpenHarmony\u9e3f\u8499\u64cd\u4f5c\u7cfb\u7edf\u548cFreeRTOS\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u8fd0\u884cRTX\u64cd\u4f5c\u7cfb\u7edf\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u8fd9\u4e9b\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fdb\u884c\u5f00\u53d1\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5bf9\u4e8eOpenHarmony\u9e3f\u8499\u64cd\u4f5c\u7cfb\u7edf\uff0c\u53ef\u4ee5\u901a\u8fc7\u79fb\u690d\u6700\u65b0\u7248\u672c\u7684OpenHarmony\u8f7b\u91cf\u7cfb\u7edf\u5185\u6838\u5230ARM\u5355\u7247\u673a\u4e0a\u8fdb\u884c\u5f00\u53d1\u3002\u8fd9\u9700\u8981\u4e00\u5b9a\u7684\u52aa\u529b\uff0c\u4f46\u5df2\u6709\u6210\u529f\u6848\u4f8b\uff0c\u5e76\u4e14\u76f8\u5173\u7684\u4ee3\u7801\u548c\u79fb\u690d\u6587\u7ae0\u5df2\u7ecf\u5f00\u6e90\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5bf9\u4e8eFreeRTOS\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\uff0c\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u79fb\u690dFreeRTOS\u64cd\u4f5c\u7cfb\u7edf\u5230STM32F407\u4e0a\u8fdb\u884c\u5f00\u53d1\u3002FreeRTOS\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\uff0c\u9002\u7528\u4e8e\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5bf9\u4e8eRTX\u64cd\u4f5c\u7cfb\u7edf\uff0c\u53ef\u4ee5\u5229\u7528Cortex-M3\/M4\/M7\u5185\u6838\u7684\u7279\u6027\uff0c\u5728STM32F407\u4e0a\u8fd0\u884cRTX\u4efb\u52a1\u3002RTX\u652f\u6301\u4efb\u52a1\u5728\u7279\u6743\u7ea7\u6216\u975e\u7279\u6743\u7ea7\u6a21\u5f0f\u4e0b\u8fd0\u884c\uff0c\u8fd9\u5bf9\u4e8e\u63d0\u9ad8\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u548c\u6548\u7387\u975e\u5e38\u6709\u5e2e\u52a9\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u64cd\u4f5c\u7cfb\u7edf\u8fdb\u884c\u5f00\u53d1\u3002\u5bf9\u4e8e\u6bcf\u4e2a\u64cd\u4f5c\u7cfb\u7edf\uff0c\u90fd\u6709\u76f8\u5e94\u7684\u79fb\u690d\u6307\u5357\u548c\u5f00\u53d1\u8d44\u6e90\u53ef\u4f9b\u53c2\u8003\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 STM32F407\u5728\u5de5\u4e1a\u63a7\u5236\u9886\u57df\u7684\u5e94\u7528\u6848\u4f8b\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n<p>\u3000\u3000STM32F407\u5728\u5de5\u4e1a\u63a7\u5236\u9886\u57df\u7684\u5e94\u7528\u6848\u4f8b\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u7cbe\u51c6\u7684\u6570\u636e\u91c7\u96c6\u4e0e\u8fd0\u52a8\u63a7\u5236\uff1aSTM32F407\u5fae\u63a7\u5236\u5668\u80fd\u591f\u5b9e\u73b0\u7cbe\u51c6\u7684\u6570\u636e\u91c7\u96c6\u548c\u8fd0\u52a8\u63a7\u5236\u529f\u80fd\uff0c\u9002\u7528\u4e8e\u9700\u8981\u7cbe\u786e\u63a7\u5236\u548c\u6570\u636e\u5904\u7406\u7684\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u901a\u4fe1\u4f20\u8f93\uff1a\u8be5\u5fae\u63a7\u5236\u5668\u652f\u6301\u591a\u79cd\u901a\u4fe1\u534f\u8bae\uff0c\u5982Modbus RTU\u534f\u8bae\uff0c\u53ef\u7528\u4e8e\u5b9e\u73b0\u8bbe\u5907\u95f4\u7684\u901a\u4fe1\u4f20\u8f93\uff0c\u6ee1\u8db3\u5de5\u4e1a\u81ea\u52a8\u5316\u7f51\u7edc\u89c4\u8303\u7684\u9700\u6c42\u3002\u6b64\u5916\uff0c\u5b83\u8fd8\u652f\u6301\u4ee5\u592a\u7f51\u3001LTE\u901a\u4fe1\u4ee5\u53caRS485\u3001RS232\u901a\u8baf\uff0c\u4e3a\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u63d0\u4f9b\u4e86\u7075\u6d3b\u7684\u901a\u4fe1\u89e3\u51b3\u65b9\u6848\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u4e2d\u592e\u7a7a\u8c03\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf\uff1a\u5728\u4e2d\u592e\u7a7a\u8c03\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf\u4e2d\uff0c\u91c7\u7528STM32F407\u82af\u7247\u7684\u5de5\u63a7\u677f\u53ef\u4ee5\u5b9e\u73b0\u7cfb\u7edf\u7684\u667a\u80fd\u5316\u548c\u6570\u5b57\u5316\u7ba1\u7406\uff0c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u76d1\u63a7\u6548\u7387\u548c\u54cd\u5e94\u901f\u5ea6\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u57fa\u4e8eCAN\u603b\u7ebf\u7684\u5e94\u7528\uff1aSTM32F407\u652f\u6301CAN\u603b\u7ebf\u6280\u672f\uff0c\u8fd9\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u8239\u8236\u3001\u533b\u7597\u8bbe\u5907\u7b49\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002CAN\u603b\u7ebf\u4f5c\u4e3a\u4e00\u79cd\u9ad8\u6548\u7684\u73b0\u573a\u603b\u7ebf\u6280\u672f\uff0c\u5bf9\u4e8e\u5206\u5e03\u5f0f\u63a7\u5236\u7cfb\u7edf\u7684\u6784\u5efa\u63d0\u4f9b\u4e86\u91cd\u8981\u652f\u6301\u3002<\/li>\n\n\n\n<li>\u3000\u3000Modbus 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