{"id":439,"date":"2024-07-08T18:54:00","date_gmt":"2024-07-08T10:54:00","guid":{"rendered":"https:\/\/aoofoo.com\/?p=439"},"modified":"2024-07-20T10:00:43","modified_gmt":"2024-07-20T02:00:43","slug":"2-12-tim%e5%ae%9a%e6%97%b6%e4%b8%ad%e6%96%ad","status":"publish","type":"post","link":"https:\/\/aoofoo.com\/index.php\/2024\/07\/08\/2-12-tim%e5%ae%9a%e6%97%b6%e4%b8%ad%e6%96%ad\/","title":{"rendered":"2.12 TIM\u5b9a\u65f6\u4e2d\u65ad(\u5b9a\u65f6\u5668\u7b2c\u4e00\u90e8\u5206)"},"content":{"rendered":"<h2>TIM\u5b9a\u65f6\u5668<\/h2>\n<p>TIM(Timer)\u610f\u601d\u662f\u5b9a\u65f6\u5668\uff0c\u5b9a\u65f6\u5668\u7684\u57fa\u672c\u529f\u80fd\u5c31\u662f\u53ef\u4ee5\u5bf9\u8f93\u5165\u7684\u65f6\u949f\u8fdb\u884c\u8ba1\u6570\uff0c\u5e76\u5728\u8ba1\u6570\u503c\u8fbe\u5230\u8bbe\u5b9a\u503c\u65f6\u89e6\u53d1\u4e2d\u65ad\uff0c\u8fd9\u5c31\u662f\u5b9a\u65f6\u5668\u6700\u57fa\u672c\u7684\u529f\u80fd\uff0c\u5c31\u662f\u5b9a\u65f6\u89e6\u53d1\u4e2d\u65ad\u3002\u540c\u65f6\uff0c\u4e5f\u53ef\u4ee5\u770b\u51fa\u6765\uff0c\u5b9a\u65f6\u5668\u5c31\u662f\u4e00\u4e2a\u8ba1\u6570\u5668\uff0c\u5f53\u8fd9\u4e2a\u8ba1\u6570\u5668\u7684\u8f93\u5165\u662f\u4e00\u4e2a\u51c6\u786e\u53ef\u9760\u7684\u57fa\u51c6\u65f6\u949f\u7684\u65f6\u5019\uff0c\u90a3\u5b83\u5728\u5bf9\u8fd9\u4e2a\u57fa\u51c6\u65f6\u949f\u8fdb\u884c\u8ba1\u6570\u7684\u8fc7\u7a0b\uff0c\u5b9e\u9645\u4e0a\u5c31\u662f\u8ba1\u65f6\u7684\u8fc7\u7a0b\u3002<\/p>\n<p>STM32\u7684\u5b9a\u65f6\u5668\uff0c\u4e0d\u4ec5\u5177\u5907\u57fa\u672c\u7684\u5b9a\u65f6\u4e2d\u65ad\u529f\u80fd\uff0c\u800c\u4e14\u8fd8\u5305\u542b\u5185\u5916\u65f6\u949f\u6e90\u9009\u62e9\u3001\u8f93\u5165\u6355\u83b7\u3001\u8f93\u51fa\u6bd4\u8f83\u3001\u7f16\u7801\u5668\u63a5\u53e3\u3001\u4e3b\u4ece\u89e6\u53d1\u6a21\u5f0f\u7b49\u591a\u79cd\u529f\u80fd\u3002\u7531\u4e8e\u5b9a\u65f6\u5668\u7684\u8fd9\u4e2a\u57fa\u672c\u7ed3\u6784\u662f\u975e\u5e38\u901a\u7528\u7684\uff0c\u5f88\u591a\u6a21\u5757\u7535\u8def\u90fd\u80fd\u7528\u5230\uff0c\u6240\u4ee5STM32\u7684\u5b9a\u65f6\u5668\u4e0a\u6269\u5c55\u4e86\u975e\u5e38\u591a\u7684\u529f\u80fd\u3002<\/p>\n<p>STM32\u7684\u5b9a\u65f6\u5668\uff0c\u6839\u636e\u590d\u6742\u5ea6\u548c\u5e94\u7528\u573a\u666f\u5206\u4e3a\u4e86\u9ad8\u7ea7\u5b9a\u65f6\u5668\u3001\u901a\u7528\u5b9a\u65f6\u5668\u548c\u57fa\u672c\u5b9a\u65f6\u5668\u4e09\u79cd\u7c7b\u578b\u3002\u5176\u4e2d\u9ad8\u7ea7\u5b9a\u65f6\u5668\u6700\u4e3a\u590d\u6742\uff0c\u901a\u7528\u5b9a\u65f6\u5668\u4e2d\u7b49\u590d\u6742\u3001\u6700\u5e38\u7528\uff0c\u57fa\u672c\u5b9a\u65f6\u5668\u6700\u7b80\u5355\uff0c\u6211\u4eec\u4e3b\u8981\u8bb2\u7684\u5c31\u662f\u901a\u7528\u5b9a\u65f6\u5668\u3002\u5b66\u4f1a\u4e86\u901a\u7528\u5b9a\u65f6\u5668\uff0c\u518d\u5b66\u9ad8\u7ea7\u5b9a\u65f6\u5668\u548c\u57fa\u672c\u5b9a\u65f6\u5668\uff0c\u90a3\u90fd\u5e94\u8be5\u6ca1\u95ee\u9898\u4e86\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-445\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1.png\" alt=\"\" width=\"936\" height=\"392\" \/><\/p>\n<p>\u7f16\u53f7\uff1a\u56e0\u4e3a\u540c\u4e00\u4e2a\u82af\u7247\u4e00\u822c\u90fd\u6709\u5f88\u591a\u4e2a\u5b9a\u65f6\u5668\uff0c\u6240\u4ee5TIM\u540e\u9762\u4f1a\u8ddf\u4e00\u4e2a\u6570\u5b57\u3002\u5f53\u7136\u9664\u4e86\u56fe\u4e0a\u7684\u8fd9\u4e9bTIM1~8\uff0c\u5728\u5e93\u51fd\u6570\u4e2d\u8fd8\u51fa\u73b0\u4e86TIM9\u300110\u300111\u7b49\u7b49\uff0c\u8fd9\u4e9b\u4e00\u822c\u90fd\u7528\u4e0d\u5230\uff0c\u53ea\u9700\u8981\u77e5\u9053\u4e00\u4e0bTIM1~8\uff0c\u6bcf\u4e2a\u90fd\u662f\u4ec0\u4e48\u5b9a\u65f6\u5668\u5c31\u597d\u4e86\u3002<\/p>\n<p>\u603b\u7ebf\uff1a\u9ad8\u7ea7\u5b9a\u65f6\u5668\u8fde\u63a5\u7684\u662f\u6027\u80fd\u66f4\u9ad8\u7684APB2\u603b\u7ebf\uff0c\u901a\u7528\u5b9a\u65f6\u5668\u548c\u57fa\u672c\u5b9a\u65f6\u5668\u8fde\u63a5\u7684\u662fAPB1\u603b\u7ebf\uff0c\u8fd9\u4e2a\u5728\u5f00\u542fRCC\u65f6\u949f\u7684\u65f6\u5019\u8981\u6ce8\u610f\u4e0b\u3002<\/p>\n<h3>\u57fa\u672c\u5b9a\u65f6\u5668<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-447\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-1.png\" alt=\"\" width=\"637\" height=\"310\" \/><\/p>\n<p>\u57fa\u672c\u5b9a\u65f6\u5668\u53ef\u4ee5\u5b8c\u6210\u5b9a\u65f6\u4e2d\u65ad\u548c\u4e3b\u6a21\u5f0f\u89e6\u53d1DAC\u7684\u529f\u80fd\u3002<\/p>\n<p>\u8fd9\u4e00\u90e8\u5206\uff0c\u6709\u4e09\u4e2a\u6700\u91cd\u8981\u7684\u5bc4\u5b58\u5668\uff0c\u5206\u522b\u662f<span style=\"color: #ff6600;\">\u9884\u5206\u9891\u5668<\/span>\u3001<span style=\"color: #ff6600;\">\u8ba1\u6570\u5668<\/span>\u548c<span style=\"color: #ff6600;\">\u81ea\u52a8\u91cd\u88c5\u5bc4\u5b58\u5668<\/span>\uff0c\u5b83\u4eec\u6784\u6210\u4e86\u6700\u57fa\u672c\u7684\u8ba1\u6570\u8ba1\u65f6\u7535\u8def\uff0c\u6240\u4ee5\u8fd9\u4e00\u5757\u7535\u8def\u5c31\u53eb\u505a<span style=\"color: #ff6600;\">\u65f6\u57fa\u5355\u5143<\/span>\u3002<\/p>\n<p>\u9884\u5206\u9891\u5668\u4e4b\u524d\uff0c\u8fde\u63a5\u7684\u5c31\u662f\u57fa\u51c6\u8ba1\u6570\u65f6\u949f\u7684\u8f93\u5165\uff0c\u7531\u4e8e\u57fa\u672c\u5b9a\u65f6\u5668\u53ea\u80fd\u9009\u62e9\u5185\u90e8\u65f6\u949f\uff0c\u6240\u4ee5\u4f60\u53ef\u4ee5\u76f4\u63a5\u8ba4\u4e3a\u8fd9\u6839\u7ebf\u76f4\u63a5\u8fde\u5230\u4e86\u5185\u90e8\u65f6\u949fCK_INT\uff0c\u5185\u90e8\u65f6\u949f\u7684\u6765\u6e90\u662fRCC_TIMxCLK\uff0c\u8fd9\u91cc\u7684\u9891\u7387\u503c\u4e00\u822c\u90fd\u662f\u7cfb\u7edf\u7684\u4e3b\u989172MHz\uff0c\u6240\u4ee5\u901a\u5411\u65f6\u57fa\u5355\u5143\u7684\u8ba1\u6570\u57fa\u51c6\u9891\u7387\u5c31\u662f72MHz\u3002<\/p>\n<p>\u518d\u6765\u770b<span style=\"color: #ff6600;\">\u65f6\u57fa\u5355\u5143<\/span>\uff0c\u9996\u5148\u662f<span style=\"color: #ff6600;\">\u9884\u5206\u9891\u5668<\/span>\uff0c\u5b83\u53ef\u4ee5\u5bf9\u8fd9\u4e2a72MHz\u7684\u8ba1\u6570\u65f6\u949f\u8fdb\u884c\u9884\u5206\u9891\uff0c\u6bd4\u5982PSC\u9884\u5206\u9891\u5668\u7684\u5bc4\u5b58\u5668\u51990\uff0c\u90a3\u5c31\u662f\u4e0d\u5206\u9891\u6216\u8005\u8bf41\u5206\u9891\uff0c\u8fd9\u65f6\u5019\u9884\u5206\u9891\u5668\u7684\u8f93\u51fa\u9891\u7387 = \u8f93\u5165\u9891\u7387 = 72MHz\uff1b\u5982\u679c\u9884\u5206\u9891\u5668\u51991\uff0c\u90a3\u5c31\u662f2\u5206\u9891\uff0c\u8fd9\u65f6\u5019\u9884\u5206\u9891\u5668\u7684\u8f93\u51fa\u9891\u7387 = \u8f93\u5165\u9891\u7387\/2 = 32MHz\uff1b\u5982\u679c\u9884\u5206\u9891\u5668\u51992\uff0c\u90a3\u5c31\u662f3\u5206\u9891\uff0c\u8fd9\u65f6\u5019\u9884\u5206\u9891\u5668\u7684\u8f93\u51fa\u9891\u7387 = \u8f93\u5165\u9891\u7387\/3 = 24MHz\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002\u6240\u4ee5\u9884\u5206\u9891\u5668\u7684\u503c\u548c\u5b9e\u9645\u7684\u5206\u9891\u7cfb\u6570\u76f8\u5dee\u4e861\uff0c\u5373\u5b9e\u9645\u5206\u9891\u7cfb\u6570 = \u9884\u5206\u9891\u5668\u7684\u503c+1\u3002\u8fd9\u4e2a\u9884\u5206\u9891\u5668\u662f16\u4f4d\u7684\uff0c\u6240\u4ee5\u6700\u5927\u503c\u53ef\u4ee5\u519965535\uff0c\u4e5f\u5c31\u662f65536\u5206\u9891\uff0c\u8fd9\u5c31\u662f\u9884\u5206\u9891\u5668\uff0c\u5c31\u662f\u5bf9\u8f93\u5165\u7684\u57fa\u51c6\u9891\u7387\u63d0\u524d\u8fdb\u884c\u4e00\u4e2a\u5206\u9891\u64cd\u4f5c\u3002<\/p>\n<p>\u7136\u540e\u662f<span style=\"color: #ff6600;\">\u8ba1\u6570\u5668<\/span>\uff0c\u8fd9\u4e2a<span style=\"color: #ff6600;\">\u8ba1\u6570\u5668<\/span>\u53ef\u4ee5\u5bf9<span style=\"color: #ff6600;\">\u9884\u5206\u9891\u5668\u540e<\/span>\u7684\u8ba1\u6570\u65f6\u949f\u8fdb\u884c\u8ba1\u6570\uff0c\u8ba1\u6570\u65f6\u949f\u6bcf\u6765\u4e00\u4e2a\u4e0a\u5347\u6cbf\uff0c\u8ba1\u6570\u5668\u7684\u503c\u5c31\u52a01\uff0c\u8fd9\u4e2a\u8ba1\u6570\u5668\u4e5f\u662f16\u4f4d\u7684\uff0c\u6240\u4ee5\u91cc\u9762\u7684\u503c\u53ef\u4ee5\u4ece0\u4e00\u76f4\u52a0\u523065535\uff0c\u5982\u679c\u518d\u52a0\u7684\u8bdd\uff0c\u8ba1\u6570\u5668\u5c31\u4f1a\u56de\u52300\u91cd\u65b0\u5f00\u59cb\u3002\u6240\u4ee5\u8ba1\u6570\u5668\u7684\u503c\u5728\u8ba1\u65f6\u8fc7\u7a0b\u4e2d\u4f1a\u4e0d\u65ad\u7684\u81ea\u589e\u8fd0\u884c\uff0c\u5f53\u81ea\u589e\u8fd0\u884c\u5230\u76ee\u6807\u503c\u65f6\uff0c\u4ea7\u751f\u4e2d\u65ad\uff0c\u90a3\u5c31\u5b8c\u6210\u4e86\u5b9a\u65f6\u7684\u4efb\u52a1\u3002<\/p>\n<p>\u6240\u4ee5\u73b0\u5728\u8fd8\u9700\u8981\u4e00\u4e2a\u5b58\u50a8\u76ee\u6807\u503c\u7684\u5bc4\u5b58\u5668\uff0c\u90a3\u5c31\u662f<span style=\"color: #ff6600;\">\u81ea\u52a8\u91cd\u88c5\u5bc4\u5b58\u5668<\/span>\u4e86\uff0c\u81ea\u52a8\u91cd\u88c5\u5bc4\u5b58\u5668\u4e5f\u662f16\u4f4d\uff0c\u5b83\u5b58\u7684\u5c31\u662f\u6211\u4eec\u5199\u5165\u7684\u8ba1\u6570\u76ee\u6807\uff0c\u5728\u8fd0\u884c\u7684\u8fc7\u7a0b\u4e2d\uff0c\u8ba1\u6570\u503c\u4e0d\u65ad\u81ea\u589e\uff0c\u81ea\u52a8\u91cd\u88c5\u503c\u662f\u56fa\u5b9a\u7684\u76ee\u6807\uff0c\u5f53\u8ba1\u6570\u503c\u7b49\u4e8e\u81ea\u52a8\u91cd\u88c5\u503c\u65f6\uff0c\u4e5f\u5c31\u662f\u8ba1\u65f6\u65f6\u95f4\u5230\u4e86\uff0c\u90a3\u5b83\u5c31\u4f1a\u4ea7\u751f\u4e00\u4e2a\u4e2d\u65ad\u4fe1\u53f7\uff0c\u5e76\u4e14\u6e05\u96f6\u8ba1\u6570\u5668\uff0c\u8ba1\u6570\u5668\u81ea\u52a8\u5f00\u59cb\u4e0b\u4e00\u6b21\u7684\u8ba1\u6570\u8ba1\u65f6\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-448\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-2.png\" alt=\"\" width=\"418\" height=\"130\" \/><\/p>\n<p>\u5728\u8fd9\u91cc\u56fe\u4e0a\u753b\u4e86\u4e00\u4e2a\u5411\u4e0a\u7684\u6298\u73b0\u7bad\u5934\uff0c\u5c31\u4ee3\u8868\u8fd9\u91cc\u4f1a\u4ea7\u751f\u4e2d\u65ad\u4fe1\u53f7\uff0c\u50cf\u8fd9\u79cd\u8ba1\u6570\u503c\u7b49\u4e8e\u81ea\u52a8\u91cd\u88c5\u503c\u4ea7\u751f\u7684\u4e2d\u65ad\uff0c\u6211\u4eec\u4e00\u822c\u628a\u5b83\u53eb\u505a\u201c\u66f4\u65b0\u4e2d\u65ad\u201d\uff0c\u8fd9\u4e2a\u66f4\u65b0\u4e2d\u65ad\u4e4b\u540e\u5c31\u4f1a\u901a\u5f80NVIC\uff0c\u6211\u4eec\u518d\u914d\u7f6e\u597dNVIC\u7684\u5b9a\u65f6\u5668\u901a\u9053\uff0c\u90a3\u5b9a\u65f6\u5668\u7684\u66f4\u65b0\u4e2d\u65ad\u5c31\u80fd\u591f\u5f97\u5230CPU\u7684\u54cd\u5e94\u4e86\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-449\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-3.png\" alt=\"\" width=\"435\" height=\"125\" \/><\/p>\n<p>\u8fd9\u91cc\u5411\u4e0b\u7684\u7bad\u5934\uff0c\u4ee3\u8868\u7740\u4f1a\u4ea7\u751f\u4e00\u4e2a\u4e8b\u4ef6\uff0c\u8fd9\u91cc\u5bf9\u5e94\u7684\u4e8b\u4ef6\u5c31\u53eb\u505a\u201c\u66f4\u65b0\u4e8b\u4ef6\u201d\uff0c\u66f4\u65b0\u4e8b\u4ef6\u4e0d\u4f1a\u89e6\u53d1\u4e2d\u65ad\uff0c\u4f46\u53ef\u4ee5\u89e6\u53d1\u5185\u90e8\u5176\u4ed6\u7535\u8def\u7684\u5de5\u4f5c\uff0c\u4ee5\u4e0a\u8fd9\u4e9b\u5c31\u662f\u5b9a\u65f6\u5668\u5b9a\u65f6\u4e2d\u65ad\u7684\u5168\u90e8\u6d41\u7a0b\u4e86\u3002<\/p>\n<p>\u4ece\u57fa\u51c6\u65f6\u949f\uff0c\u5230\u9884\u5206\u9891\u5668\uff0c\u518d\u5230\u8ba1\u6570\u5668\uff0c\u8ba1\u6570\u5668\u8ba1\u6570\u81ea\u589e\uff0c\u540c\u65f6\u4e0d\u65ad\u5730\u4e0e\u81ea\u52a8\u91cd\u88c5\u5bc4\u5b58\u5668\u8fdb\u884c\u6bd4\u8f83\uff0c\u4ed6\u4fe9\u503c\u76f8\u7b49\u65f6\uff0c\u5373\u8ba1\u65f6\u65f6\u95f4\u5230\uff0c\u8fd9\u65f6\u4f1a\u4ea7\u751f\u4e00\u4e2a\u66f4\u65b0\u4e2d\u65ad\u548c\u66f4\u65b0\u4e8b\u4ef6\uff0cCPU\u54cd\u5e94\u66f4\u65b0\u4e2d\u65ad\uff0c\u5c31\u5b8c\u6210\u4e86\u6211\u4eec\u5b9a\u65f6\u4e2d\u65ad<span style=\"color: #000000;\">\u7684\u4efb\u52a1\u4e86\u3002<\/span><\/p>\n<hr \/>\n<p>\u6211\u4eec\u518d\u6765\u7b80\u5355\u7684\u4ecb\u7ecd\u4e00\u4e0b<span style=\"color: #ff6600;\">\u4e3b\u6a21\u5f0f\u89e6\u53d1DAC<\/span>\u7684\u529f\u80fd\uff0cSTM32\u5b9a\u65f6\u5668\u7684\u4e00\u5927\u7279\u8272\uff0c\u5c31\u662f\u8fd9\u4e2a\u4e3b\u4ece\u89e6\u53d1\u6a21\u5f0f\uff0c\u5b83\u80fd\u8ba9\u5185\u90e8\u7684\u786c\u4ef6\u5728\u4e0d\u53d7\u7a0b\u5e8f\u7684\u63a7\u5236\u4e0b\u5b9e\u73b0\u81ea\u52a8\u8fd0\u884c\uff0c\u5982\u679c\u80fd\u628a\u8fd9\u4e2a\u4e3b\u4ece\u89e6\u53d1\u6a21\u5f0f\u638c\u63e1\u597d\uff0c\u90a3\u5728\u67d0\u4e9b\u60c5\u5883\u4e0b\u5c06\u4f1a\u6781\u5927\u5730\u51cf\u8f7bCPU\u7684\u8d1f\u62c5\uff0c\u8fd9\u4e2a\u6211\u4eec\u540e\u9762\u518d\u8be6\u7ec6\u8bb2\u3002<\/p>\n<p>\u8fd9\u4e2a\u4e3b\u6a21\u5f0f\u89e6\u53d1DAC\u6709\u5565\u7528\u5462\uff1f\u8fd9\u4e2a\u7528\u9014\u5c31\u662f\u5728\u6211\u4eec\u4f7f\u7528DAC\u7684\u65f6\u5019\uff0c\u53ef\u80fd\u4f1a\u7528DAC\u8f93\u51fa\u4e00\u6bb5\u6ce2\u5f62\uff0c\u90a3\u5c31\u9700\u8981\u6bcf\u9694\u4e00\u6bb5\u65f6\u95f4\u6765\u89e6\u53d1\u4e00\u6b21DAC\uff0c\u8ba9\u5b83\u8f93\u51fa\u4e0b\u4e00\u4e2a\u7535\u538b\u70b9\uff0c\u5982\u679c\u7528\u6b63\u5e38\u7684\u601d\u8def\u6765\u5b9e\u73b0\u7684\u8bdd\uff0c\u5c31\u662f\u5148\u8bbe\u7f6e\u4e00\u4e2a\u5b9a\u65f6\u5668\u4ea7\u751f\u4e2d\u65ad\uff0c\u6bcf\u9694\u4e00\u6bb5\u65f6\u95f4\u5728\u4e2d\u65ad\u7a0b\u5e8f\u4e2d\u8c03\u7528\u4ee3\u7801\u624b\u52a8\u89e6\u53d1\u4e00\u6b21DAC\u8f6c\u6362\uff0c\u7136\u540eDAC\u8f93\u51fa\uff0c\u8fd9\u6837\u4e5f\u662f\u6ca1\u95ee\u9898\u7684\uff0c\u4f46\u662f\u8fd9\u6837\u4f1a\u4f7f\u4e3b\u7a0b\u5e8f\u5904\u4e8e\u9891\u7e41\u88ab\u4e2d\u65ad\u7684\u72b6\u6001\uff0c\u8fd9\u4f1a\u5f71\u54cd\u4e3b\u7a0b\u5e8f\u7684\u8fd0\u884c\u548c\u5176\u4ed6\u4e2d\u65ad\u7684\u54cd\u5e94\uff0c\u6240\u4ee5\u5b9a\u65f6\u5668\u5c31\u8bbe\u8ba1\u4e86\u4e00\u4e2a\u4e3b\u6a21\u5f0f\uff0c\u4f7f\u7528\u8fd9\u4e2a\u4e3b\u6a21\u5f0f\u53ef\u4ee5\u628a\u8fd9\u4e2a\u5b9a\u65f6\u5668\u7684\u66f4\u65b0\u4e8b\u4ef6\u6620\u5c04\u5230\u89e6\u53d1\u8f93\u51faTRGO(Trigger Out)\u7684\u4f4d\u7f6e\uff0c\u7136\u540eTRGO\u76f4\u63a5\u63a5\u5230DAC\u7684\u89e6\u53d1\u8f6c\u6362\u5f15\u811a\u4e0a\uff0c\u8fd9\u6837\uff0c\u5b9a\u65f6\u5668\u7684\u66f4\u65b0\u5c31\u4e0d\u9700\u8981\u518d\u901a\u8fc7\u4e2d\u65ad\u6765\u89e6\u53d1DAC\u8f6c\u6362\u4e86\uff0c\u4ec5\u9700\u8981\u628a\u66f4\u65b0\u4e8b\u4ef6\u901a\u8fc7\u4e3b\u6a21\u5f0f\u6620\u5c04\u5230TRGO\uff0c\u7136\u540eTRGO\u5c31\u4f1a\u76f4\u63a5\u53bb\u89e6\u53d1DAC\u4e86\uff0c\u6574\u4e2a\u8fc7\u7a0b\u4e0d\u9700\u8981\u8f6f\u4ef6\u7684\u53c2\u4e0e\uff0c\u5b9e\u73b0\u4e86\u786c\u4ef6\u7684\u81ea\u52a8\u5316\uff0c\u8fd9\u5c31\u662f\u4e3b\u6a21\u5f0f\u7684\u4f5c\u7528\u3002\u5f53\u7136\u9664\u4e86\u8fd9\u4e2a\u4e3b\u6a21\u5f0f\u5916\uff0c\u8fd8\u6709\u66f4\u591a\u7684\u786c\u4ef6\u81ea\u52a8\u5316\u8bbe\u8ba1\uff0c\u8fd9\u4e9b\u6211\u4eec\u540e\u7eed\u518d\u7ee7\u7eed\u8bb2\u3002<\/p>\n<hr \/>\n<p>\u5230\u6b64\u4e3a\u6b62\uff0c\u6709\u5173\u57fa\u672c\u5b9a\u65f6\u5668\u7684\u90e8\u5206\u6211\u4eec\u5c31\u8bb2\u5b8c\u4e86\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u770b\u4e00\u4e0b\u901a\u7528\u5b9a\u65f6\u5668\u3002<\/p>\n<h3>\u901a\u7528\u5b9a\u65f6\u5668<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-451\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-4.png\" alt=\"\" width=\"937\" height=\"749\" \/><\/p>\n<hr \/>\n<p>\u9996\u5148\u4e2d\u95f4\u6700\u6838\u5fc3\u7684\u8fd9\u4e00\u90e8\u5206\uff0c\u8fd8\u662f\u65f6\u57fa\u5355\u5143\uff0c\u8fd9\u4e00\u90e8\u5206\u548c\u57fa\u672c\u5b9a\u65f6\u5668\u7684\u7ed3\u6784\u662f\u4e00\u6837\u7684\uff0c\u7531\u4e8e\u5206\u9891\u5668\u3001\u8ba1\u6570\u5668\u3001\u81ea\u52a8\u91cd\u88c5\u5bc4\u5b58\u5668\u6784\u6210\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-453\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-5.png\" alt=\"\" width=\"545\" height=\"226\" \/><\/p>\n<p>\u6bcf\u90e8\u5206\u7684\u5de5\u4f5c\u6d41\u7a0b\u548c\u57fa\u672c\u5b9a\u65f6\u5668\u4e5f\u662f\u4e00\u6837\u7684\uff0c\u9884\u5206\u9891\u5668\u5bf9\u65f6\u949f\u8fdb\u884c\u9884\u5206\u9891\uff0c\u8ba1\u6570\u5668\u81ea\u589e\u8ba1\u6570\uff0c\u5f53\u8ba1\u6570\u503c\u8fbe\u5230\u81ea\u52a8\u91cd\u88c5\u503c\u65f6\uff0c\u8ba1\u6570\u503c\u6e05\u96f6\u540c\u65f6\u4ea7\u751f\u66f4\u65b0\u4e2d\u65ad\u548c\u66f4\u65b0\u4e8b\u4ef6\u3002\u4e0d\u8fc7\u5bf9\u4e8e\u901a\u7528\u5b9a\u65f6\u5668\u800c\u8a00\uff0c\u8fd9\u4e2a\u8ba1\u6570\u5668\u7684\u6280\u672f\u6a21\u5f0f\u5c31\u4e0d\u6b62\u5411\u4e0a\u8ba1\u6570\u8fd9\u4e00\u79cd\u4e86\uff0c\u4e4b\u524d\u89e3\u91ca\u7684\u65f6\u5019\uff0c\u90fd\u662f\u7528\u7684<span style=\"color: #ff6600;\">\u5411\u4e0a\u8ba1\u6570\u6a21\u5f0f<\/span>\uff0c\u4e5f\u5c31\u662f\u8ba1\u6570\u5668\u4ece0\u5f00\u59cb\uff0c\u5411\u4e0a\u81ea\u589e\uff0c\u8ba1\u5230\u91cd\u88c5\u503c\uff0c\u6e05\u96f6\u540c\u65f6\u7533\u8bf7\u4e2d\u65ad\uff0c\u7136\u540e\u5f00\u59cb\u4e0b\u4e00\u8f6e\uff0c\u4f9d\u6b21\u5faa\u73af\uff0c\u8fd9\u662f\u5411\u4e0a\u8ba1\u6570\u3002\u9664\u4e86\u8fd9\u79cd\u5411\u4e0a\u8ba1\u6570\u7684\u6a21\u5f0f\u5916\uff0c\u901a\u7528\u5b9a\u65f6\u5668\u548c\u9ad8\u7ea7\u5b9a\u65f6\u5668\u8fd8\u652f\u6301\u5411\u4e0b\u8ba1\u6570\u6a21\u5f0f\u548c\u4e2d\u592e\u5bf9\u5176\u6a21\u5f0f\uff0c<span style=\"color: #ff6600;\">\u5411\u4e0b\u6280\u672f\u6a21\u5f0f<\/span>\u5c31\u662f\u4ece\u91cd\u88c5\u503c\u5f00\u59cb\uff0c\u5411\u4e0b\u81ea\u51cf\uff0c\u51cf\u5230\u96f6\u540e\uff0c\u56de\u5230\u91cd\u88c5\u503c\u540c\u65f6\u7533\u8bf7\u4e2d\u65ad\uff0c\u7136\u540e\u7ee7\u7eed\u4e0b\u4e00\u8f6e\uff0c\u4f9d\u6b21\u5faa\u73af\uff0c\u8fd9\u5c31\u662f\u5411\u4e0b\u8ba1\u6570\u3002\u8fd8\u6709<span style=\"color: #ff6600;\">\u4e2d\u592e\u5bf9\u9f50\u7684\u8ba1\u6570\u6a21\u5f0f<\/span>\uff0c\u5c31\u662f\u4ece0\u5f00\u59cb\uff0c\u5148\u5411\u4e0a\u81ea\u589e\uff0c\u8ba1\u5230\u91cd\u88c5\u503c\uff0c\u7533\u8bf7\u4e2d\u65ad\uff0c\u7136\u540e\u518d\u5411\u4e0b\u81ea\u51cf\uff0c\u51cf\u52300\uff0c\u518d\u7533\u8bf7\u4e2d\u65ad\uff0c\u7136\u540e\u8fdb\u884c\u4e0b\u4e00\u8f6e\uff0c\u4f9d\u6b21\u5faa\u73af\uff0c\u8fd9\u662f\u4e2d\u592e\u5bf9\u9f50\u6a21\u5f0f\u3002<\/p>\n<hr \/>\n<p>\u53e6\u5916\uff0c\u6211\u4eec\u518d\u770b\u4e00\u4e0b\u4e0a\u9762\u7684\u7ed3\u6784\uff0c\u8fd9\u4e9b\u5c31\u662f\u5185\u5916\u65f6\u949f\u6e90\u9009\u62e9\u548c\u4e3b\u4ece\u89e6\u53d1\u6a21\u5f0f\u7684\u7ed3\u6784\u4e86\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-455\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-6.png\" alt=\"\" width=\"565\" height=\"275\" \/><\/p>\n<p>\u6211\u4eec\u5148\u770b\u4e00\u4e0b\u5185\u5916\u65f6\u949f\u6e90\u9009\u62e9\uff0c\u5bf9\u4e8e\u57fa\u672c\u5b9a\u65f6\u5668\u800c\u8a00\uff0c\u5b9a\u65f6\u53ea\u80fd\u9009\u62e9\u5185\u90e8\u65f6\u949f\uff0c\u4e5f\u5c31\u662f\u7cfb\u7edf\u9891\u738772MHz\uff0c\u5230\u4e86\u901a\u7528\u5b9a\u65f6\u5668\u8fd9\u91cc\uff0c\u65f6\u949f\u6e90\u4e0d\u4ec5\u53ef\u4ee5\u9009\u62e972MHz\u65f6\u949f\uff0c\u8fd8\u53ef\u4ee5\u9009\u62e9\u5916\u90e8\u65f6\u949f\uff0c\u5177\u4f53\u6709\u54ea\u4e9b\u5462\uff1f<\/p>\n<p><strong>\u7b2c\u4e00\u4e2a\u5916\u90e8\u65f6\u949f\u5c31\u662f\u6765\u81eaTIMx_ETR\u5f15\u811a\u4e0a\u7684\u5916\u90e8\u65f6\u949f<\/strong>\uff0c\u8fd9\u4e2aETR(External)\u5f15\u811a\u7684\u4f4d\u7f6e\uff0c\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u5f15\u811a\u5b9a\u4e49\u8868\uff1a<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-457\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-8.png\" alt=\"\" width=\"753\" height=\"231\" \/><\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u8fd9\u91cc\u6709\u4e2aTIM2_CH1_ETR\uff0c\u610f\u601d\u5c31\u662f\u8fd9\u4e2aTIM2\u7684CH1\u548cETR\u90fd\u662f\u590d\u7528\u5728\u4e86\u8fd9\u4e2a\u4f4d\u7f6e\uff0c\u4e5f\u5c31\u662fPA0\u5f15\u811a\u3002\u90a3\u8fd9\u91cc\u6211\u4eec\u53ef\u4ee5\u5728TIM2\u7684ETR\u5f15\u811a\uff0c\u4e5f\u5c31\u662fPA0\u4e0a\u63a5\u4e00\u4e2a\u5916\u90e8\u7684\u65b9\u6ce2\u65f6\u949f\uff0c\u7136\u540e\u914d\u7f6e\u4e00\u4e0b\u5185\u90e8\u7684\u6781\u6027\u9009\u62e9\u3001\u8fb9\u6cbf\u68c0\u6d4b\u548c\u9884\u5206\u9891\u5668\u7535\u8def\uff0c\u518d\u914d\u7f6e\u4e00\u4e0b\u8f93\u5165\u6ee4\u6ce2\u7535\u8def\u3002<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-458\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-9.png\" alt=\"\" width=\"212\" height=\"45\" 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style=\"color: #ff6600;\">\u5916\u90e8\u65f6\u949f\u6a21\u5f0f2<\/span>\u201d\u3002<\/p>\n<p>\u9664\u4e86\u5916\u90e8ETR\u5f15\u811a\u53ef\u4ee5\u63d0\u4f9b\u65f6\u949f\u5916\uff0c\u4e0b\u9762\u8fd9\u91cc\u8fd8\u6709\u4e00\u8def\u53ef\u4ee5\u63d0\u4f9b\u65f6\u949f\uff0c\u5c31\u662fTRGI(Trigger 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loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-465\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-15.png\" alt=\"\" width=\"197\" height=\"39\" \/>\u6700\u540e\u8fd8\u6709\u4e00\u5757\u6ca1\u6709\u8bb2\u5230\uff0c\u8fd9\u4e2a\u662f\u5b9a\u65f6\u5668\u7684\u4e00\u4e2a\u7f16\u7801\u5668\u63a5\u53e3\uff0c\u53ef\u4ee5\u8bfb\u53d6\u6b63\u4ea4\u7f16\u7801\u5668\u7684\u8f93\u51fa\u6ce2\u5f62\uff0c\u8fd9\u4e2a\u6211\u4eec\u540e\u7eed\u4e5f\u4f1a\u518d\u8bb2\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-466\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-16.png\" alt=\"\" width=\"541\" height=\"264\" 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\/>\n<p>\u53f3\u8fb9\u8fd9\u662f\u4e00\u5757\u8f93\u51fa\u6bd4\u8f83\u7535\u8def\uff0c\u603b\u5171\u6709\u56db\u4e2a\u901a\u9053\uff0c\u5206\u8d1d\u5bf9\u5e94CH1\u5230CH4\u7684\u5f15\u811a\uff0c\u53ef\u4ee5\u7528\u4e8e\u8f93\u51faPWM\u6ce2\u5f62\uff0c\u9a71\u52a8\u7535\u673a\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-467\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-17.png\" alt=\"\" width=\"570\" height=\"258\" \/><\/p>\n<p>\u5de6\u8fb9\u8fd9\u4e00\u5757\u662f\u8f93\u5165\u6355\u83b7\u7535\u8def\uff0c\u4e5f\u662f\u6709\u56db\u4e2a\u901a\u9053\uff0c\u5bf9\u5e94\u7684\u4e5f\u662fCH1\u5230CH4\u7684\u5f15\u811a\uff0c\u53ef\u4ee5\u7528\u4e8e\u6d4b\u91cf\u8f93\u5165\u65b9\u6ce2\u7684\u9891\u7387\u7b49\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-468\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-18.png\" alt=\"\" width=\"580\" height=\"230\" \/><\/p>\n<p>\u4e2d\u95f4\u8fd9\u4e2a\u5bc4\u5b58\u5668\u662f\u6355\u83b7\/\u6bd4\u8f83\u5bc4\u5b58\u5668\uff0c\u662f\u8f93\u5165\u6355\u83b7\u548c\u8f93\u51fa\u6bd4\u8f83\u7535\u8def\u5171\u7528\u7684\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-469\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-19.png\" alt=\"\" width=\"579\" height=\"218\" \/><\/p>\n<p>\u56e0\u4e3a\u8f93\u5165\u6355\u83b7\u548c\u8f93\u51fa\u6bd4\u8f83\u4e0d\u80fd\u540c\u65f6\u4f7f\u7528\uff0c\u6240\u4ee5\u8fd9\u91cc\u7684\u5bc4\u5b58\u5668\u662f\u5171\u7528\u7684\uff0c\u5f15\u811a\u4e5f\u662f\u5171\u7528\u7684\u3002<\/p>\n<p>\u90a3\u6709\u5173\u8f93\u5165\u6355\u83b7\u548c\u8f93\u51fa\u6bd4\u8f83\u8fd9\u90e8\u5206\u7684\u7535\u8def\uff0c\u6211\u4eec\u7559\u5230\u4e4b\u540e\u518d\u505a\u5177\u4f53\u5206\u6790\u3002\u6211\u4eec\u672c\u8282\u8bfe\u4e3b\u8981\u8bb2\u7684\u662f\u5b9a\u65f6\u4e2d\u65ad\u548c\u5185\u5916\u65f6\u949f\u6e90\u9009\u62e9\uff0c\u4e5f\u7528\u4e0d\u5230\u8fd9\u90e8\u5206\u7535\u8def\u3002<\/p>\n<h3>\u9ad8\u7ea7\u5b9a\u65f6\u5668<\/h3>\n<p>\u5bf9\u6bd4\u901a\u7528\u5bc4\u5b58\u5668\uff0c\u5de6\u4e0a\u7684\u8fd9\u4e00\u5927\u90e8\u5206\u90fd\u6ca1\u6709\u53d8\u5316\uff0c\u4e3b\u8981\u6539\u52a8\u7684\u5c31\u662f\u53f3\u8fb9\u8fd9\u51e0\u4e2a\u90e8\u5206\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-471\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-20.png\" alt=\"\" width=\"661\" height=\"579\" \/><\/p>\n<p>\u548c\u901a\u7528\u5b9a\u65f6\u5668\u4e0d\u540c\u7684\u5730\u65b9\uff0c\u7b2c\u4e00\u4e2a\u662f\uff0c<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-473\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-21.png\" alt=\"\" width=\"269\" height=\"69\" \/>\u7533\u8bf7\u4e2d\u65ad\u7684\u5730\u65b9\uff0c\u589e\u52a0\u4e86\u4e00\u4e2a\u91cd\u590d\u6b21\u6570\u8ba1\u6570\u5668\uff0c\u6709\u4e86\u8fd9\u4e2a\u8ba1\u6570\u5668\u4e4b\u540e\uff0c\u5c31\u53ef\u4ee5\u5b9e\u73b0\u6bcf\u9694\u51e0\u4e2a\u8ba1\u6570\u5468\u671f\uff0c\u624d\u53d1\u751f\u4e00\u6b21\u66f4\u65b0\u4e8b\u4ef6\u548c\u66f4\u65b0\u4e2d\u65ad\u3002\u539f\u6765\u7684\u7ed3\u6784\u662f\u6bcf\u4e2a\u8ba1\u6570\u5468\u671f\u5b8c\u6210\u540e\u5c31\u90fd\u4f1a\u53d1\u751f\u66f4\u65b0\uff0c\u73b0\u5728\u6709\u4e2a\u8ba1\u6570\u5668\u5728\u8fd9\u91cc\uff0c\u5c31\u53ef\u4ee5\u5b9e\u73b0\u6bcf\u9694\u51e0\u4e2a\u5468\u671f\u66f4\u65b0\u4e00\u6b21\uff0c\u8fd9\u91cc\u76f8\u5f53\u4e8e\u5bf9\u8f93\u51fa\u7684\u66f4\u65b0\u4fe1\u53f7\u53c8\u505a\u4e86\u4e00\u6b21\u5206\u9891\uff0c\u90a3\u5bf9\u4e8e\u9ad8\u7ea7\u5b9a\u65f6\u5668\u7684\u8bdd\uff0c\u6211\u4eec\u4e4b\u524d\u8ba1\u7b97\u7684\u6700\u5927\u5b9a\u65f6\u65f6\u95f459\u79d2\u591a\uff0c\u5728\u8fd9\u91cc\u5c31\u8fd8\u9700\u8981\u4e58\u4ee5\u4e00\u4e2a65536\uff0c\u8fd9\u5c31\u53c8\u63d0\u5347\u4e86\u5f88\u591a\u5b9a\u65f6\u65f6\u95f4\uff0c\u8fd9\u4e2a\u5c31\u662f<span style=\"color: #ff6600;\">\u91cd\u590d\u6b21\u6570\u8ba1\u6570\u5668<\/span>\u7684\u5de5\u4f5c\u6d41\u7a0b\u3002<\/p>\n<p>\u4e0b\u9762\u8fd9\u4e00\u4e9b\u5c31\u662f\u9ad8\u7ea7\u5b9a\u65f6\u5668\u5bf9\u8f93\u51fa\u6bd4\u8f83\u6a21\u5757\u7684\u5347\u7ea7\u4e86\uff0c\u8fd9\u4e9b\u5185\u5bb9\u7b80\u5355\u8bf4\u4e00\u4e0b\uff0c\u5927\u5bb6\u6709\u5370\u8c61\u5c31\u884c\uff0c\u73b0\u5728\u8fd8\u4e0d\u6bd4\u6df1\u5165\u4e86\u89e3\u3002\u6211\u4eec\u770b\u4e00\u4e0b\uff0c<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-474\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-22.png\" alt=\"\" width=\"58\" height=\"168\" \/>\u8fd9\u4e2aDTG(Dead Time Generate)\u662f\u6b7b\u533a\u751f\u6210\u7535\u8def\u3002\u53f3\u8fb9\u8fd9\u91cc\u7684\u8f93\u51fa\u5f15\u811a\u7531\u539f\u6765\u7684\u4e00\u4e2a\u53d8\u4e3a\u4e86\u4e24\u4e2a\u4e92\u8865\u7684\u8f93\u51fa\uff0c\u53ef\u4ee5\u8f93\u51fa\u4e00\u5bf9\u4e92\u8865\u7684PWM\u6ce2\uff0c\u8fd9\u4e9b\u7535\u8def \u662f\u4e3a\u4e86\u9a71\u52a8\u4e09\u76f8\u65e0\u5237\u7535\u673a\u7684\uff0c\u4e09\u76f8\u65e0\u5237\u7535\u673a\u8fd8\u662f\u6bd4\u8f83\u5e38\u7528\u7684\uff0c\u6bd4\u5982\u56db\u8f74\u98de\u884c\u5668\u3001\u7535\u52a8\u8f66\u7684\u540e\u8f6e\u3001\u7535\u94bb\u7b49\uff0c\u91cc\u9762\u90fd\u53ef\u80fd\u662f\u8fd9\u4e2a\u4e09\u76f8\u65e0\u5237\u7535\u673a\u3002<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-475\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-23.png\" alt=\"\" width=\"114\" height=\"152\" \/>\u56e0\u4e3a\u4e09\u76f8\u65e0\u5237\u7535\u673a\u7684\u9a71\u52a8\u7535\u8def\u4e00\u822c\u9700\u8981\u4e09\u4e2a\u6865\u81c2\uff0c\u6bcf\u4e2a\u6865\u81c2\u4e24\u4e2a\u5927\u529f\u7387\u5f00\u5173\u7ba1\u6765\u63a7\u5236\uff0c\u603b\u5171\u9700\u8981\u516d\u4e2a\u5927\u529f\u7387\u5f00\u5173\u7ba1\u6765\u63a7\u5236\uff0c\u6240\u4ee5\u8fd9\u91cc\u7684\u8f93\u51faPWM\u5f15\u811a\u7684\u524d\u4e09\u8def\u5c31\u53d8\u4e3a\u4e86\u4e92\u8865\u7684\u8f93\u51fa\uff0c\u800c\u7b2c\u56db\u8def\u5374\u6ca1\u4ec0\u4e48\u53d8\u5316\uff0c\u56e0\u4e3a\u4e09\u76f8\u7535\u673a\u53ea\u9700\u8981\u4e09\u8def\u5c31\u884c\u4e86\u3002\u53e6\u5916\uff0c\u4e3a\u4e86\u9632\u6b62\u4e92\u8865\u8f93\u51fa\u7684PWM\u9a71\u52a8\u6865\u81c2\u65f6\uff0c\u5728\u5f00\u5173\u5207\u6362\u7684\u77ac\u95f4\uff0c\u7531\u4e8e\u5668\u4ef6\u7684\u4e0d\u7406\u60f3\uff0c\u9020\u6210\u77ed\u6682\u7684\u76f4\u901a\u73b0\u8c61\uff0c\u6240\u4ee5\u524d\u9762\u8fd9\u91cc\u5c31\u52a0\u4e0a\u4e86\u6b7b\u533a\u751f\u6210\u7535\u8def\uff0c\u5728\u5f00\u5173\u5207\u6362\u7684\u77ac\u95f4\uff0c\u4ea7\u751f\u4e00\u5b9a\u65f6\u957f\u7684\u6b7b\u533a\uff0c\u8ba9\u6865\u81c2\u7684\u4e0a\u4e0b\u7ba1\u5168\u90fd\u65ad\u5f00\uff0c\u9632\u6b62\u76f4\u901a\u73b0\u8c61\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-476\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-24.png\" alt=\"\" width=\"508\" height=\"255\" \/><\/p>\n<p>\u6700\u540e\u4e00\u90e8\u5206\u5c31\u662f\u5239\u8f66\u8f93\u5165\u7684\u529f\u80fd\u4e86\uff0c\u8fd9\u4e2a\u662f\u4e3a\u4e86\u7ed9\u7535\u673a\u9a71\u52a8\u63d0\u4f9b\u5b89\u5168\u4fdd\u969c\uff0c\u5982\u679c\u5916\u90e8\u5f15\u811aBKIN(Break IN)\u4ea7\u751f\u4e86\u5239\u8f66\u4fe1\u53f7\uff0c\u6216\u8005\u5185\u90e8\u65f6\u949f\u5931\u6548\uff0c\u4ea7\u751f\u4e86\u6545\u969c\uff0c\u90a3\u4e48\u63a7\u5236\u7535\u8def\u5c31\u4f1a\u81ea\u52a8\u5207\u65ad\u7535\u673a\u7684\u8f93\u51fa\uff0c\u9632\u6b62\u610f\u5916\u7684\u53d1\u751f\uff0c\u8fd9\u5c31\u662f\u5239\u8f66\u8f93\u5165\u7684\u529f\u80fd\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u5b9a\u65f6\u5668\u529f\u80fd<\/h2>\n<h3>\u5b9a\u65f6\u4e2d\u65ad\u548c\u5185\u5916\u65f6\u949f\u6e90\u7684\u9009\u62e9<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-477\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-25.png\" alt=\"\" width=\"929\" height=\"392\" \/><\/p>\n<p>\u4e0a\u9762\u662f\u5b9a\u65f6\u4e2d\u65ad\u548c\u5185\u5916\u65f6\u949f\u6e90\u7684\u9009\u62e9\u8fd9\u4e9b\u6240\u6d89\u53ca\u7684\u7ed3\u6784\u3002<\/p>\n<p>\u5176\u4e2d\uff0c\u65f6\u57fa\u5355\u5143\u4e0b\u9762\u7684\u8fd0\u884c\u63a7\u5236\uff0c\u5c31\u662f\u63a7\u5236\u5bc4\u5b58\u5668\u7684\u4e00\u4e9b\u4f4d\uff0c\u6bd4\u5982\u542f\u52a8\u505c\u6b62\uff0c\u5411\u4e0a\u6216\u5411\u4e0b\u8ba1\u6570\u7b49\u7b49\uff0c\u6211\u4eec\u64cd\u4f5c\u8fd9\u4e9b\u5bc4\u5b58\u5668\u6280\u80fd\u63a7\u5236\u65f6\u57fa\u5355\u5143\u7684\u8fd0\u884c\u4e86\u3002<\/p>\n<p>\u5728\u672c\u5c0f\u8282\u793a\u4f8b\u7a0b\u5e8f\u91cc\uff0c\u7b2c\u4e00\u4e2a\u5b9a\u65f6\u5668\u5b9a\u65f6\u4e2d\u65ad\u5c31\u662f\u7528\u7684\u5185\u90e8\u65f6\u949f\u8fd9\u4e00\u8def\uff1b\u7b2c\u4e8c\u4e2a\u5b9a\u65f6\u5668\u5916\u90e8\u65f6\u949f\u5c31\u662f\u7528\u7684\u5916\u90e8\u65f6\u949f\u6a21\u5f0f2\u8fd9\u4e00\u8def\uff0c\u5f53\u7136\u8fd8\u53ef\u4ee5\u9009\u62e9\u8fd9\u91cc\u7684\u89e6\u53d1\u8f93\u5165\u5f53\u505a\u5916\u90e8\u65f6\u949f\uff0c\u5373\u5916\u90e8\u65f6\u949f\u6a21\u5f0f1\uff08\u5bf9\u5e94\u7684\u6709ETR\u5916\u90e8\u65f6\u949f\u3001ITRx\u5176\u4ed6\u5b9a\u65f6\u5668\u3001TIx\u8f93\u5165\u6355\u83b7\u901a\u9053\uff09\u3002<\/p>\n<p>\u6700\u540e\u8fd9\u91cc\u8fd8\u6709\u4e2a\u7f16\u7801\u5668\u6a21\u5f0f\uff0c\u8fd9\u4e00\u822c\u662f\u7f16\u7801\u5668\u72ec\u7528\u7684\u6a21\u5f0f\uff0c\u666e\u901a\u7684\u65f6\u949f\u7528\u4e0d\u5230\u8fd9\u4e2a\u3002<\/p>\n<p>\u5f53\u4fe1\u53f7\u4ece\u65f6\u57fa\u5355\u5143\u51fa\u6765\u4ee5\u540e\uff0c\u5728\u4e2d\u65ad\u8f93\u51fa\u63a7\u5236\u4e4b\u524d\uff0c\u4e2d\u65ad\u4fe1\u53f7\u4f1a\u5728\u72b6\u6001\u5bc4\u5b58\u5668\u91cc\u7f6e\u4e00\u4e2a\u4e2d\u65ad\u6807\u5fd7\u4f4d\uff0c\u8fd9\u4e2a\u6807\u5fd7\u4f4d\u4f1a\u901a\u8fc7\u4e2d\u65ad\u8f93\u51fa\u63a7\u5236\uff0c\u5230NVIC\u7533\u8bf7\u4e2d\u65ad\u3002<\/p>\n<p>\u4e3a\u4ec0\u4e48\u4f1a\u6709\u4e2a\u4e2d\u65ad\u8f93\u51fa\u63a7\u5236\u5462\uff1f\u56e0\u4e3a\u8fd9\u4e2a\u5b9a\u65f6\u5668\u6a21\u5757\u6709\u5f88\u591a\u5730\u65b9\u90fd\u8981\u7533\u8bf7\u4e2d\u65ad\uff0c\u6bd4\u5982\u66f4\u65b0\u4e2d\u65ad\u4f1a\u7533\u8bf7\u4e2d\u65ad\uff0c\u89e6\u53d1\u4fe1\u53f7\u4e5f\u4f1a\u7533\u8bf7\u4e2d\u65ad\uff0c\u8f93\u5165\u6355\u83b7\u548c\u8f93\u51fa\u6bd4\u8f83\u5339\u914d\u65f6\u4e5f\u4f1a\u7533\u8bf7\u4e2d\u65ad\uff0c\u6240\u4ee5\u8fd9\u4e9b\u4e2d\u65ad\u90fd\u8981\u7ecf\u8fc7\u4e2d\u65ad\u8f93\u51fa\u63a7\u5236\uff0c\u5982\u679c\u9700\u8981\u8fd9\u4e2a\u4e2d\u65ad\uff0c\u90a3\u5c31\u5141\u8bb8\uff0c\u5982\u679c\u4e0d\u9700\u8981\uff0c\u90a3\u5c31\u7981\u6b62\u3002\u7b80\u5355\u6765\u8bf4\uff0c\u8fd9\u4e2a\u4e2d\u65ad\u8f93\u51fa\u63a7\u5236\u5c31\u662f\u4e00\u4e2a\u4e2d\u65ad\u8f93\u51fa\u7684\u5141\u8bb8\u4f4d\uff0c\u5982\u679c\u9700\u8981\u67d0\u4e2a\u4e2d\u65ad\uff0c\u5c31\u8bb0\u5f97\u5141\u8bb8\u4e00\u4e0b\u3002<\/p>\n<hr \/>\n<p>\u63a5\u4e0b\u6765\u6211\u4eec\u6765\u770b\u51e0\u4e2a\u65f6\u5e8f\u56fe\uff0c\u7814\u7a76\u4e00\u4e0b\u65f6\u57fa\u5355\u5143\u8fd0\u884c\u7684\u4e00\u4e9b\u7ec6\u8282\u95ee\u9898\u3002<\/p>\n<h4>\u9884\u5206\u9891\u5668\u65f6\u5e8f<\/h4>\n<div class=\"sc-alert sc-alert--info\"><span class=\"sc-alert__icon\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><line x1=\"12\" y1=\"16\" x2=\"12\" y2=\"12\"\/><line x1=\"12\" y1=\"8\" x2=\"12.01\" y2=\"8\"\/><\/svg><\/span><div class=\"sc-alert__content\">\u8ba1\u6570\u5668\u8ba1\u6570\u9891\u7387\uff1aCK_CNT = CK_PSC \/ (PSC+1)<\/div><\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-480\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-26.png\" alt=\"\" width=\"791\" height=\"430\" \/><\/p>\n<p>\u8fd9\u4e2a\u56fe\u793a\u8868\u793a\u7684\u662f\u5f53\u9884\u5206\u9891\u5668\u7684\u53c2\u6570\u4ece1\u53d8\u52302\u65f6\uff0c\u8ba1\u6570\u5668\u7684\u65f6\u5e8f\u56fe\u3002<\/p>\n<p>\u7b2c\u4e00\u884cCK_PSC,\u9884\u5206\u9891\u5668\u7684\u8f93\u5165\u65f6\u949f\uff0c\u9009\u5185\u90e8\u65f6\u949f\u7684\u8bdd\u4e00\u822c\u662f72MHz\uff0c\u7136\u540e\u8fd9\u4e2a\u65f6\u949f\u5728\u4e0d\u65ad\u7684\u8fd0\u884c\u3002<\/p>\n<p>\u7b2c\u4e8c\u884cCNT_EN\uff0c\u8ba1\u6570\u5668\u4f7f\u80fd\uff0c\u9ad8\u7535\u5e73\u8ba1\u6570\u5668\u6b63\u5e38\u8fd0\u884c\uff0c\u4f4e\u7535\u5e73\u8ba1\u6570\u5668\u505c\u6b62\u3002<\/p>\n<p>\u7b2c\u4e09\u884cCK_CNT\uff0c\u8ba1\u6570\u5668\u65f6\u949f\uff0c\u5b83\u65e2\u662f\u9884\u5206\u9891\u5668\u7684\u65f6\u949f\u8f93\u51fa\uff0c\u4e5f\u662f\u8ba1\u6570\u5668\u7684\u65f6\u949f\u8f93\u5165\u3002<\/p>\n<p>\u8fd9\u91cc\u53ef\u4ee5\u770b\u5230\uff0c\u5f00\u59cb\u65f6\uff0c\u8ba1\u6570\u5668\u672a\u4f7f\u80fd\uff0c\u8ba1\u6570\u5668\u65f6\u949f\u4e0d\u8fd0\u884c\uff0c\u7136\u540e\u4f7f\u80fd\u540e\uff0c\u524d\u534a\u6bb5\uff0c\u9884\u5206\u9891\u5668\u7684\u7cfb\u6570\u4e3a1\uff0c\u8ba1\u6570\u5668\u7684\u65f6\u949f\u7b49\u4e8e\u9884\u5206\u9891\u5668\u524d\u7684\u65f6\u949f\uff1b\u540e\u534a\u6bb5\u9884\u5206\u9891\u5668\u7684\u7cfb\u6570\u53d8\u4e3a2\uff0c\u8ba1\u6570\u5668\u7684\u65f6\u949f\u7b49\u4e8e\u9884\u5206\u9891\u5668\u524d\u7684\u65f6\u949f\u4e00\u534a\u4e86\u3002<\/p>\n<p>\u5728\u8ba1\u6570\u5668\u65f6\u949f\u7684\u9a71\u52a8\u4e0b\uff0c\u4e0b\u9762\u7684\u8ba1\u6570\u5668\u5bc4\u5b58\u5668\u4e5f\u8ddf\u968f\u7740\u65f6\u949f\u7684\u4e0a\u5347\u6cbf\u4e0d\u65ad\u5730\u81ea\u589e\u3002\u53ef\u4ee5\u770b\u5230\u5728FC\u4e4b\u540e\uff0c\u8ba1\u6570\u503c\u53d8\u4e3a0\u4e86\uff0c\u8fd9\u91cc\u867d\u7136\u6ca1\u5199\uff0c\u4f46\u662f\u53ef\u4ee5\u63a8\u65ad\u51faARR\u81ea\u52a8\u91cd\u88c5\u503c\u5c31\u662fFC\uff0c\u5f53\u8ba1\u6570\u503c\u8ba1\u5230\u548c\u91cd\u88c5\u503c\u76f8\u7b49\uff0c\u5e76\u4e14\u4e0b\u4e00\u4e2a\u65f6\u949f\u6765\u4e34\u65f6\uff0c\u8ba1\u6570\u503c\u624d\u6e05\u96f6\uff0c\u540c\u65f6\u4e0b\u9762\u4ea7\u751f\u4e00\u4e2a\u66f4\u65b0\u4e8b\u4ef6\uff0c\u8fd9\u5c31\u662f\u4e00\u4e2a\u8ba1\u6570\u5468\u671f\u7684\u5de5\u4f5c\u6d41\u7a0b\u3002<\/p>\n<p>\u7136\u540e\u4e0b\u9762\u8fd8\u6709\u4e09\u884c\u65f6\u5e8f(\u9884\u5206\u9891\u63a7\u5236\u5bc4\u5b58\u5668\u3001\u9884\u5206\u9891\u7f13\u51b2\u5668\u3001\u9884\u5206\u9891\u8ba1\u6570\u5668)\uff0c\u8fd9\u4e09\u884c\u65f6\u5e8f\u4ec0\u4e48\u610f\u601d\u5462\uff1f<\/p>\n<p>\u8fd9\u91cc\u63cf\u8ff0\u7684\u5176\u5b9e\u662f\u8fd9\u4e2a\u9884\u5206\u9891\u5bc4\u5b58\u5668\u7684\u4e00\u79cd\u7f13\u51b2\u673a\u5236\uff0c\u4e5f\u5c31\u662f\u8fd9\u4e2a\u9884\u5206\u9891\u5bc4\u5b58\u5668\u5b9e\u9645\u4e0a\u662f\u6709\u4e24\u4e2a\uff0c\u4e00\u4e2a\u662f\u9884\u5206\u9891\u63a7\u5236\u5bc4\u5b58\u5668\uff0c\u4f9b\u6211\u4eec\u8bfb\u5199\u7528\u7684\uff0c\u4ed6\u5e76\u4e0d\u76f4\u63a5\u51b3\u5b9a\u5206\u9891\u7cfb\u6570\u3002\u53e6\u5916\u4e00\u4e2a\u662f\u7f13\u51b2\u5bc4\u5b58\u5668\uff08\u5f71\u5b50\u5bc4\u5b58\u5668\uff09\u8fd9\u4e2a\u9884\u5206\u9891\u7f13\u51b2\u5668\u624d\u662f\u771f\u6b63\u8d77\u4f5c\u7528\u7684\u5bc4\u5b58\u5668\u3002\u6bd4\u5982\u6211\u4eec\u5728\u67d0\u4e2a\u65f6\u523b\uff0c\u628a\u9884\u5206\u9891\u5bc4\u5b58\u5668\u75310\u6539\u6210\u4e861\uff0c\u5982\u679c\u5728\u6b64\u65f6\u7acb\u523b\u6539\u53d8\u65f6\u949f\u7684\u5206\u9891\u7cfb\u6570\uff0c\u90a3\u4e48\u5c31\u4f1a\u5bfc\u81f4\u8fd9\u4e2a\u5730\u65b9\uff0c<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-481\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-27.png\" alt=\"\" width=\"192\" height=\"124\" \/>\uff0c\u5728\u4e00\u4e2a\u8ba1\u6570\u5468\u671f\u5185\uff0c\u524d\u534a\u90e8\u5206\u548c\u540e\u534a\u90e8\u5206\u7684\u9891\u7387\u4e0d\u4e00\u6837\uff0c\u8fd9\u91cc\u8ba1\u6570\u8ba1\u5230\u4e00\u534a\uff0c\u8ba1\u6570\u7684\u9891\u7387\u7a81\u7136\u5c31\u4f1a\u6539\u53d8\u4e86\uff0c\u8fd9\u867d\u7136\u4e00\u822c\u5e76\u4e0d\u4f1a\u6709\u4ec0\u4e48\u95ee\u9898\uff0c\u4f46\u662fSTM32\u7684\u5b9a\u65f6\u5668\u6bd4\u8f83\u4e25\u8c28\uff0c\u8bbe\u8ba1\u4e86\u8fd9\u4e2a\u7f13\u51b2\u5bc4\u5b58\u5668\uff0c\u8fd9\u6837\uff0c\u5f53\u6211\u5728\u8ba1\u6570\u8ba1\u5230\u4e00\u534a\u7684\u65f6\u5019\u6539\u53d8\u4e86\u5206\u9891\u503c\uff0c\u8fd9\u4e2a\u53d8\u5316\u5e76\u4e0d\u4f1a\u7acb\u523b\u751f\u6548\uff0c\u800c\u662f\u4f1a\u7b49\u5230\u672c\u6b21\u8ba1\u6570\u5468\u671f\u7ed3\u675f\u65f6\uff0c\u4ea7\u751f\u4e86\u66f4\u65b0\u4e8b\u4ef6\uff0c\u9884\u5206\u9891\u5bc4\u5b58\u5668\u7684\u503c\u624d\u4f1a\u88ab\u4f20\u9012\u5230\u7f13\u51b2\u5bc4\u5b58\u5668\u91cc\u9762\u53bb\uff0c\u624d\u4f1a\u751f\u6548\u3002\u6240\u4ee5\u53ef\u4ee5\u770b\u5230\uff0c\u5373\u4f7f\u6211\u5728\u8ba1\u6570\u4e2d\u9014\u6539\u53d8\u4e86\u9884\u5206\u9891\u503c\uff0c\u6280\u672f\u9891\u7387\u4ecd\u7136\u4f1a\u4fdd\u6301\u4e3a\u539f\u6765\u7684\u9891\u7387\uff0c\u76f4\u5230\u672c\u8f6e\u8ba1\u6570\u5b8c\u6210\uff0c\u5728\u4e0b\u4e00\u8f6e\u8ba1\u6570\u65f6\uff0c\u6539\u53d8\u540e\u7684\u5206\u9891\u503c\u624d\u4f1a\u8d77\u4f5c\u7528\u3002<\/p>\n<p>\u6700\u540e\u4e00\u884c\uff0c\u9884\u5206\u9891\u8ba1\u6570\u5668\uff0c\u5f53\u9884\u5206\u9891\u503c\u4e3a0\u65f6\uff0c\u8ba1\u6570\u5668\u5c31\u4e00\u76f4\u4e3a0\uff0c\u76f4\u63a5\u8f93\u51fa\u539f\u9891\u7387\uff1b\u5f53\u9884\u5206\u9891\u503c\u4e3a1\u65f6\uff0c\u8ba1\u6570\u5668\u5c310\u30011\u30010\u30011\u30010\u30011\u8fd9\u6837\u8ba1\u6570\uff0c\u5728\u56de\u52300\u7684\u65f6\u5019\uff0c\u8f93\u51fa\u4e00\u4e2a\u8109\u51b2\uff0c\u8fd9\u6837\u8f93\u51fa\u9891\u7387\u5c31\u662f\u8f93\u5165\u9891\u7387\u76842\u5206\u9891\u3002\u9884\u5206\u9891\u5668\u7684\u503c\u548c\u5b9e\u9645\u7684\u5206\u9891\u7cfb\u6570\u4e4b\u95f4\u6709\u4e00\u4e2a\u6570\u7684\u504f\u79fb\uff0c\u6240\u4ee5\u8ba1\u6570\u5668\u8ba1\u6570\u9891\u7387\uff1aCK_CNT = CK_PSC \/ (PSC+1)\u3002<\/p>\n<h4>\u8ba1\u6570\u5668\u65f6\u5e8f<\/h4>\n<div class=\"sc-alert sc-alert--info\"><span class=\"sc-alert__icon\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><line x1=\"12\" y1=\"16\" x2=\"12\" y2=\"12\"\/><line x1=\"12\" y1=\"8\" x2=\"12.01\" y2=\"8\"\/><\/svg><\/span><div class=\"sc-alert__content\">\u8ba1\u6570\u5668\u6ea2\u51fa\u9891\u7387\uff1aCK_CNT_OV = CK_CNT \/ (ARR + 1) = CK_PSC \/ (PSC + 1) \/ (ARR + 1)<\/div><\/div>\n<div class=\"sc-alert sc-alert--info\"><span class=\"sc-alert__icon\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><line x1=\"12\" y1=\"16\" x2=\"12\" y2=\"12\"\/><line x1=\"12\" y1=\"8\" x2=\"12.01\" y2=\"8\"\/><\/svg><\/span><div class=\"sc-alert__content\">ARR:AutoReloadRegister\uff0c\u81ea\u52a8\u91cd\u88c5\u5bc4\u5b58\u5668\u3002<\/div><\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-483\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-28.png\" alt=\"\" width=\"781\" height=\"341\" \/><\/p>\n<p>\u8fd9\u4e2a\u56fe\u65f6\u8ba1\u6570\u5668\u65f6\u5e8f\u56fe\uff0c\u5185\u90e8\u65f6\u949f\u5206\u9891\u56e0\u5b50\u4e3a2\uff0c\u5c31\u662f\u5206\u9891\u7cfb\u6570\u4e3a2\u3002<\/p>\n<p>\u7b2c\u4e00\u884c\u65f6\u5185\u90e8\u65f6\u949f72MHz\u3002<\/p>\n<p>\u7b2c\u4e8c\u884c\u662f\u65f6\u949f\u4f7f\u80fd\uff0c\u9ad8\u7535\u5e73\u542f\u52a8\u3002<\/p>\n<p>\u7b2c\u4e09\u884c\u662f\u8ba1\u6570\u5668\u65f6\u949f\uff0c\u56e0\u4e3a\u5206\u9891\u7cfb\u6570\u4e3a2\uff0c\u6240\u4ee5\u8fd9\u4e2a\u9891\u7387\u662f\u5185\u90e8\u65f6\u949f\u7684\u4e8c\u5206\u4e4b\u4e00\u3002<\/p>\n<p>\u7136\u540e\u8ba1\u6570\u5668\u5728\u8fd9\u4e2a\u65f6\u949f\u6bcf\u4e2a\u4e0a\u5347\u6cbf\u81ea\u589e\uff0c\u5f53\u589e\u52300036\u7684\u65f6\u5019\uff0c\u53d1\u751f\u6ea2\u51fa\uff0c\u8ba1\u523036\u4e4b\u540e\u518d\u6765\u4e00\u4e0a\u5347\u6cbf\uff0c\u8ba1\u6570\u5668\u6e05\u96f6\uff0c\u8ba1\u6570\u5668\u6ea2\u51fa\uff0c\u4ea7\u751f\u4e00\u4e2a\u66f4\u65b0\u4e8b\u4ef6\u8109\u51b2\uff0c\u53e6\u5916\u8fd8\u4f1a\u7f6e\u4e00\u4e2a\u66f4\u65b0\u4e2d\u65ad\u6807\u5fd7\u4f4dUIF\u3002\u8fd9\u4e2a\u6807\u5fd7\u4f4d\u53ea\u8981\u7f6e1\uff0c\u5c31\u4f1a\u7533\u8bf7\u4e2d\u65ad\u3002\u4e2d\u65ad\u54cd\u5e94\u4e4b\u540e\uff0c\u9700\u8981\u5728\u4e2d\u65ad\u7a0b\u5e8f\u4e2d\u624b\u52a8\u6e05\u96f6\uff0c\u8fd9\u5c31\u662f\u8ba1\u6570\u5668\u7684\u5de5\u4f5c\u6d41\u7a0b\u3002<\/p>\n<p>\u8ba1\u6570\u5668\u6ea2\u51fa\u9891\u7387 \uff1aCK_CNT_OV = CK_CNT \/ (ARR + 1) = CK_PSC \/ (PSC + 1) \/ (ARR + 1) \uff08\u8ba1\u7b97\u5b9a\u65f6\u7684\u65f6\u95f4\u53ea\u9700\u8981\u53d6\u4e2a\u5012\u6570\u5373\u53ef\uff09<\/p>\n<p>\u90a3\u521a\u624d\u8bf4\u4e86\uff0c\u9884\u5206\u9891\u5668\u4e3a\u4e86\u9632\u6b62\u8ba1\u6570\u4e2d\u9014\u66f4\u6539\u6570\u503c\u9020\u6210\u9519\u8bef\uff0c\u8bbe\u8ba1\u4e86\u7f13\u51b2\u5bc4\u5b58\u5668\uff0c\u8fd9\u4e2a\u8ba1\u6570\u5668\u80af\u5b9a\u4e5f\u5c11\u4e0d\u4e86\u8fd9\u6837\u7684\u8bbe\u8ba1\u4e86\uff0c\u8ba1\u6570\u5668\u7684\u8fd9\u4e2aARR\u81ea\u52a8\u91cd\u88c5\u5bc4\u5b58\u5668\u4e5f\u662f\u6709\u4e00\u4e2a\u7f13\u51b2\u5bc4\u5b58\u5668\u7684\uff0c\u5e76\u4e14\u8fd9\u4e2a\u7f13\u51b2\u5bc4\u5b58\u5668\u7528\u8fd8\u662f\u4e0d\u7528\uff0c\u53ef\u4ee5\u81ea\u5df1\u8bbe\u7f6e\u7684\uff0c\u4e0b\u9762\u7684\u4e24\u4e2a\u65f6\u5e8f\uff0c\u4e00\u4e2a\u662f\u8ba1\u6570\u5668\u65e0\u9884\u88c5\u65f6\u5e8f\uff0c\u5c31\u662f\u6ca1\u6709\u7f13\u51b2\u5bc4\u5b58\u5668\u7684\u60c5\u51b5\u4e0b\uff1b\u53e6\u4e00\u4e2a\u662f\u6709\u9884\u88c5\u65f6\u5e8f\uff0c\u5c31\u662f\u6709\u7f13\u51b2\u5bc4\u5b58\u5668\u7684\u60c5\u51b5\u3002\u901a\u8fc7\u8bbe\u7f6e\u8fd9\u4e2aARPE\u4f4d\uff0c\u5c31\u53ef\u4ee5\u9009\u62e9\u662f\u5426\u4f7f\u7528\u9884\u88c5\u529f\u80fd\u3002<\/p>\n<h4><strong>\u8ba1\u6570\u5668\u65e0\u9884\u88c5\u65f6\u5e8f<\/strong><\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-485\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-29.png\" alt=\"\" width=\"783\" height=\"427\" \/><\/p>\n<p>\u8ba1\u6570\u5668\u65e0\u9884\u88c5\u65f6\u5e8f\uff0c\u5c31\u662f\u6ca1\u6709\u7f13\u51b2\u5bc4\u5b58\u5668\u7684\u60c5\u51b5\uff0c<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-486\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-30.png\" alt=\"\" width=\"228\" height=\"42\" \/>\u5728\u8fd9\u91cc\uff0c\u8ba1\u6570\u5668\u6b63\u5728\u8fdb\u884c\u81ea\u589e\uff0c\u6211\u7a81\u7136\u66f4\u6539\u4e86\u81ea\u52a8\u52a0\u8f7d\u5bc4\u5b58\u5668\uff0c\u5c31\u662f\u81ea\u52a8\u91cd\u88c5\u5bc4\u5b58\u5668\uff0c<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-487\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-31.png\" alt=\"\" width=\"261\" height=\"35\" \/>\u7531FF\u6539\u6210\u4e8636\u3002\u90a3\u8ba1\u6570\u503c\u7684\u76ee\u6807\u503c\u5c31\u7531FF\u53d8\u6210\u4e8636\uff0c\u6240\u4ee5\u8fd9\u91cc\u8ba1\u523036\u4e4b\u540e\u5c31\u76f4\u63a5\u66f4\u65b0\u5f00\u542f\u4e0b\u4e00\u8f6e\u8ba1\u6570\uff0c\u4e0d\u518d\u8ba1\u6570\u5230FF\u4e86\u3002<\/p>\n<h4><strong>\u8ba1\u6570\u5668\u6709\u9884\u88c5\u65f6\u5e8f<\/strong><\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-488\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-32.png\" alt=\"\" width=\"789\" height=\"475\" \/><\/p>\n<p>\u7531\u56fe\u53ef\u4ee5\u770b\u51fa\uff0c\u5728\u6709\u7f13\u51b2\u5bc4\u5b58\u5668\u7684\u60c5\u51b5\u4e0b\uff0c\u5728\u8ba1\u6570\u7684\u4e2d\u9014\uff0c\u6211\u7a81\u7136\u628a\u8ba1\u6570\u76ee\u6807\u4eceF5\u66f4\u6539\u6210\u4e8636\uff0c\u53ef\u4ee5\u770b\u5230\u4e0b\u9762\u6709\u4e2a\u5f71\u5b50\u5bc4\u5b58\u5668\uff0c\u8fd9\u4e2a\u5f71\u5b50\u5bc4\u5b58\u5668\u624d\u662f\u771f\u6b63\u8d77\u4f5c\u7528\u7684\uff0c\u5f71\u5b50\u5bc4\u5b58\u5668\u7684\u8ba1\u6570\u76ee\u6807\u8fd8\u662fF5\uff0c\u5e76\u4e14\u4ea7\u751f\u66f4\u65b0\u4e8b\u4ef6\uff0c\u4ea7\u751f\u66f4\u65b0\u4e8b\u4ef6\u4e4b\u540e\uff0c\u8981\u66f4\u6539\u768436\u624d\u88ab\u4f20\u9012\u5230\u5f71\u5b50\u5bc4\u5b58\u5668\uff0c\u5728\u4e0b\u4e00\u4e2a\u8ba1\u6570\u5468\u671f\u8fd9\u4e2a\u66f4\u6539\u768436\u624d\u6709\u6548\u3002<\/p>\n<p>\u6240\u4ee5\u53ef\u4ee5\u770b\u51fa\uff0c\u5f15\u5165\u8fd9\u4e2a\u5f71\u5b50\u5bc4\u5b58\u5668\u7684\u76ee\u7684\u5b9e\u9645\u4e0a\u662f\u4e3a\u4e86\u901a\u540c\u6b65\uff0c\u5c31\u662f\u8ba9\u503c\u7684\u53d8\u5316\u548c\u66f4\u65b0\u4e8b\u4ef6\u540c\u6b65\u53d1\u751f\uff0c\u9632\u6b62\u5728\u8fd0\u884c\u9014\u4e2d\u66f4\u6539\u9020\u6210\u9519\u8bef\u3002<\/p>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e5f\u53ef\u4ee5\u770b\u51fa\uff0c\u5982\u679c\u5728\u8fd9\u91cc\u4e0d\u4f7f\u7528\u5f71\u5b50\u5bc4\u5b58\u5668\u7684\u8bdd\uff0cF5\u6539\u523036\u7acb\u523b\u751f\u6548\uff0c\u4f46\u6b64\u65f6\u8ba1\u6570\u503c\u5df2\u7ecf\u5230\u4e86F1\uff0c\u5df2\u7ecf\u8d85\u8fc736\u4e86\uff0cF1\u53ea\u80fd\u589e\u52a0\uff0c\u4f46\u5b83\u7684\u76ee\u6807\u503c\u5374\u662f36\uff0c\u6bd4\u5b83\u8fd8\u5c0f\uff0c\u8fd9\u6837F1\u5c31\u53ea\u80fd\u4e00\u76f4\u52a0\u4e00\u76f4\u52a0\uff0c\u52a0\u5230FFFF\uff0c\u518d\u56de\u52300\uff0c\u518d\u52a036\uff0c\u624d\u80fd\u4ea7\u751f\u66f4\u65b0\uff0c\u8fd9\u5c31\u4f1a\u9020\u6210\u4e00\u4e9b\u5c0f\u95ee\u9898\u3002<\/p>\n<hr \/>\n<h4>RCC\u65f6\u949f\u6811\u7ed3\u6784\u56fe<\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-489\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-33.png\" alt=\"\" width=\"799\" height=\"893\" \/><\/p>\n<p>\u8fd9\u4e2a\u65f6\u949f\u6811\uff0c\u5c31\u662fSTM32\u7528\u6765\u4ea7\u751f\u548c\u914d\u7f6e\u65f6\u949f\uff0c\u5e76\u4e14\u628a\u914d\u7f6e\u597d\u7684\u65f6\u949f\u53d1\u9001\u5230\u5404\u4e2a\u5916\u8bbe\u7684\u7cfb\u7edf\u3002\u65f6\u949f\u662f\u6240\u6709\u5916\u8bbe\u8fd0\u884c\u7684\u57fa\u7840\uff0c\u6240\u4ee5\u65f6\u949f\u4e5f\u662f\u6700\u5148\u9700\u8981\u914d\u7f6e\u7684\u4e1c\u897f\u3002\u6211\u4eec\u4e4b\u524d\u8bf4\u8fc7\uff0c\u7a0b\u5e8f\u4e2d\u4e3b\u51fd\u6570\u4e4b\u524d\u8fd8\u4f1a\u6267\u884c\u4e00\u4e2aSystemInit\u51fd\u6570\uff0c\u8fd9\u4e2a\u51fd\u6570\u5c31\u662f\u7528\u6765\u914d\u7f6e\u8fd9\u4e2a\u65f6\u949f\u6811\u7684\u3002ST\u516c\u53f8\u5df2\u7ecf\u5e2e\u6211\u4eec\u5199\u597d\u4e86\u914d\u7f6e\u8fd9\u4e2a\u65f6\u949f\u6811\u7684SystemInit\u51fd\u6570\u3002<\/p>\n<p>\u6211\u4eec\u770b\u4e00\u4e0b\u8fd9\u4e2a\u65f6\u949f\u6811\uff0c\u4ece\u8fd9\u91cc\u5212\u4e00\u4e2a\u754c\u9650\uff0c\u5de6\u8fb9\u7684\u90fd\u662f\u65f6\u949f\u7684\u4ea7\u751f\u7535\u8def\uff0c\u53f3\u8fb9\u7684\u65f6\u949f\u7684\u5206\u914d\u7535\u8def\u3002<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-490\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-34.png\" alt=\"\" width=\"807\" height=\"905\" \/><\/p>\n<p>\u4e2d\u95f4\u7684\u8fd9\u4e2aSYSCLK\u5c31\u662f\u7cfb\u7edf\u65f6\u949f72MHz\uff0c\u5728\u65f6\u949f\u4ea7\u751f\u7535\u8def\u4e2d\uff0c\u6709\u56db\u4e2a\u9707\u8361\u6e90\uff0c\u5206\u522b\u662f\u5185\u90e8\u76848MHz\u9ad8\u901fRC\u632f\u8361\u5668<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-491\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-35.png\" alt=\"\" width=\"110\" height=\"60\" \/>\u3001\u5916\u90e8\u76844-16MHz\u9ad8\u901f\u77f3\u82f1\u6676\u4f53\u632f\u8361\u5668\uff0c\u4e5f\u5c31\u662f\u6676\u632f\uff0c\u4e00\u822c\u90fd\u662f\u63a58MHz<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-492\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-36.png\" alt=\"\" width=\"152\" height=\"73\" \/>\u3001\u5916\u90e8\u768432.768KHz\u4f4e\u4fd7\u6676\u632f\uff0c\u8fd9\u4e2a\u4e00\u822c\u662f\u7ed9RTC\u63d0\u4f9b\u65f6\u949f\u7684<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-493\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-37.png\" alt=\"\" width=\"205\" height=\"39\" \/>\u3001\u5185\u90e8\u768440KHz\u4f4e\u4fd7RC\u632f\u8361\u5668\uff0c\u8fd9\u4e2a\u53ef\u4ee5\u7ed9\u770b\u95e8\u72d7\u63d0\u4f9b\u65f6\u949f<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-494\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/07\/1-38.png\" alt=\"\" width=\"239\" height=\"36\" 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