{"id":255,"date":"2024-06-21T20:38:51","date_gmt":"2024-06-21T12:38:51","guid":{"rendered":"https:\/\/aoofoo.com\/?p=255"},"modified":"2024-09-09T16:26:26","modified_gmt":"2024-09-09T08:26:26","slug":"2-4-gpio%e8%be%93%e5%87%ba","status":"publish","type":"post","link":"https:\/\/aoofoo.com\/index.php\/2024\/06\/21\/2-4-gpio%e8%be%93%e5%87%ba\/","title":{"rendered":"2.4 GPIO\u7ed3\u6784"},"content":{"rendered":"<h2>\u5bfc\u8bfb<\/h2>\n<p>GPIO(General Purpose Input Output)\u901a\u7528\u8f93\u5165\u8f93\u51fa\u53e3\uff0c\u4fd7\u79f0IO\u53e3\u3002<\/p>\n<p>GPIO\u6839\u636e\u4f7f\u7528\u573a\u666f\uff0c\u53ef\u914d\u7f6e8\u79cd\u8f93\u5165\u8f93\u51fa\u6a21\u5f0f\u3002<\/p>\n<p>GPIO\u7684\u5f15\u811a\u7535\u5e73\uff1a0V~3.3V\uff080\u4e3a\u4f4e\u7535\u5e73\uff0c1\u4e3a\u9ad8\u7535\u5e73\uff09\uff0c\u90e8\u5206\u5f15\u811a\u53ef\u5bb9\u5fcd5V\uff08\u610f\u601d\u662f\u5728\u8fd9\u4e2a\u7aef\u53e3\u8f93\u51655V\u7535\u538b\uff0c\u4e5f\u8ba4\u4e3a\u662f\u9ad8\u7535\u5e73\uff0c\u4f46\u662f\u5bf9\u4e8e\u8f93\u51fa\u800c\u8a00\uff0c\u6700\u5927\u53ea\u80fd\u8f93\u51fa3.3V\uff0c\u56e0\u4e3a\u4f9b\u7535\u5c31\u53ea\u67093.3V\uff09\u3002<\/p>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u5bb9\u5fcd5V\u7684\u5177\u4f53\u542b\u4e49<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>\u610f\u601d\u662f\u5728\u8fd9\u4e2a\u7aef\u53e3\u8f93\u51655V\u7535\u538b\uff0c\u4e5f\u8ba4\u4e3a\u662f\u9ad8\u7535\u5e73\uff0c\u4f46\u662f\u5bf9\u4e8e\u8f93\u51fa\u800c\u8a00\uff0c\u6700\u5927\u53ea\u80fd\u8f93\u51fa3.3V\uff0c\u56e0\u4e3a\u4f9b\u7535\u5c31\u53ea\u67093.3V\u3002\u5177\u4f53\u54ea\u4e9b\u7aef\u53e3\u53ef\u4ee5\u5bb9\u5fcd5V\uff0c\u53ef\u4ee5\u53c2\u8003STM32\u7684\u5f15\u811a\u5b9a\u4e49\uff0c\u5e26FT\uff08Five Tolerate\uff09\u7684\u662f\u53ef\u4ee5\u5bb9\u5fcd5V\u8f93\u5165\u7684\u5f15\u811a\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-148\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/\u5f15\u811a\u5b9a\u4e49.png\" alt=\"\" width=\"710\" height=\"967\" \/><\/p>\n<p><\/div><\/div><\/div>\n<p>GPIO\u5728\u8f93\u51fa\u6a21\u5f0f\u4e0b\u53ef\u63a7\u5236\u7aef\u53e3\u8f93\u51fa\u9ad8\u4f4e\u7535\u5e73\uff0c\u7528\u4ee5\u9a71\u52a8LED\u3001\u63a7\u5236\u8702\u9e23\u5668\u3001\u6a21\u62df\u901a\u4fe1\u534f\u8bae\u8f93\u51fa\u65f6\u5e8f\u7b49\u3002\u5982\u679c\u63a7\u5236\u7684\u662f\u529f\u7387\u6bd4\u8f83\u5927\u7684\u8bbe\u5907\uff0c\u53ea\u9700\u8981\u518d\u52a0\u5165\u9a71\u52a8\u7535\u8def\u5373\u53ef\u3002<\/p>\n<p>GPIO\u5728\u8f93\u5165\u6a21\u5f0f\u4e0b\u53ef\u8bfb\u53d6\u7aef\u53e3\u7684\u9ad8\u4f4e\u7535\u5e73\u6216\u7535\u538b\uff0c\u7528\u4e8e\u8bfb\u53d6\u6309\u952e\u8f93\u5165\u3001\u5916\u754c\u6a21\u5757\u7535\u5e73\u4fe1\u53f7\u8f93\u5165\u3001ADC\u7535\u538b\u91c7\u96c6\u3001\u6a21\u62df\u901a\u4fe1\u534f\u8bae\u63a5\u6536\u6570\u636e\u7b49\u3002<\/p>\n<h2>GPIO\u7684\u57fa\u672c\u7ed3\u6784<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-258\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-19.png\" alt=\"\" width=\"748\" height=\"535\" \/><\/p>\n<p>GPIO\u7684\u5916\u8bbe\u540d\u79f0\u662f\u6309\u7167GPIOA\u3001GPIOB\u3001GPIOC\u7b49\u8fd9\u6837\u7684\u540d\u79f0\u6765\u547d\u540d\u7684\uff0c\u6bcf\u4e2aGPIO\u5916\u8bbe\uff0c\u603b\u5171\u670916\u5f15\u811a\uff0c\u7f16\u53f7\u662f\u4ece0\u523015\uff0c\u4f8b\u5982\uff0cGPIOA\u7684\u7b2c0\u53f7\u5f15\u811a\uff0c\u6211\u4eec\u628a\u5b83\u79f0\u4f5cPA0\u3002<\/p>\n<p>\u5728\u6bcf\u4e2aGPIO\u6a21\u5757\u5185\uff0c\u4e3b\u8981\u5305\u542b\u4e86\u5bc4\u5b58\u5668\u548c\u9a71\u52a8\u5668\uff0c\u5bc4\u5b58\u5668\u5c31\u662f\u4e00\u6bb5\u7279\u6b8a\u7684\u5b58\u50a8\u5668\uff0c\u5185\u6838\u53ef\u4ee5\u901a\u8fc7APB2\u603b\u7ebf\u5bf9\u5bc4\u5b58\u5668\u8fdb\u884c\u8bfb\u5199\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u5b8c\u6210\u8f93\u51fa\u7535\u5e73\u548c\u8bfb\u53d6\u7535\u5e73\u7684\u529f\u80fd\u4e86\u3002<\/p>\n<h3>GPIO\u6a21\u5757\u5185\u5bc4\u5b58\u5668<\/h3>\n<p>\u5bc4\u5b58\u5668\u7684\u6bcf\u4e00\u4f4d\u5bf9\u5e94\u4e00\u4e2a\u5f15\u811a\uff0c\u5176\u4e2d\u8f93\u51fa\u5bc4\u5b58\u5668\u51991\uff0c\u5bf9\u5e94\u7684\u5f15\u811a\u5c31\u4f1a\u8f93\u51fa\u9ad8\u7535\u5e73\uff0c\u51990\uff0c\u5c31\u8f93\u51fa\u4f4e\u7535\u5e73\uff1b\u8f93\u5165\u5bc4\u5b58\u5668\u8bfb\u53d6\u4e3a1\uff0c\u5c31\u8bc1\u660e\u5bf9\u5e94\u7684\u7aef\u53e3\u76ee\u524d\u662f\u9ad8\u7535\u5e73\uff0c\u8bfb\u53d6\u4e3a0\uff0c\u5c31\u662f\u4f4e\u7535\u5e73\u3002\u56e0\u4e3aSTM32\u662f32\u4f4d\u5355\u7247\u673a\uff0c\u6240\u4ee5STM32\u5185\u90e8\u5bc4\u5b58\u5668\u90fd\u662f32\u4f4d\uff0c\u4f46\u8fd9\u4e2a\u7aef\u53e3\u53ea\u670916\u4f4d\uff0c\u6240\u4ee5\u8fd9\u4e2a\u5bc4\u5b58\u5668\u53ea\u6709\u4f4e16\u4f4d\u5bf9\u5e94\u7684\u6709\u7aef\u53e3\uff0c\u9ad816\u4f4d\u662f\u6ca1\u6709\u7528\u5230\u7684\u3002<\/p>\n<h3>GPIO\u6a21\u5757\u5185\u9a71\u52a8\u5668<\/h3>\n<p>\u9a71\u52a8\u5668\u662f\u7528\u6765\u589e\u52a0\u4fe1\u53f7\u7684\u9a71\u52a8\u80fd\u529b\u7684\uff0c\u5bc4\u5b58\u5668\u53ea\u8d1f\u8d23\u5b58\u50a8\u6570\u636e\uff0c\u5982\u679c\u8981\u8fdb\u884c\u70b9\u706f\u8fd9\u6837\u7684\u64cd\u4f5c\u7684\u8bdd\uff0c\u8fd8\u662f\u9700\u8981\u9a71\u52a8\u5668\u6765\u8d1f\u8d23\u589e\u5927\u9a71\u52a8\u80fd\u529b\u7684\u3002<\/p>\n<h3>GPIO\u4e2d\u6bcf\u4e00\u4f4d\u7684\u5177\u4f53\u7535\u8def\u7ed3\u6784<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-259\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-20.png\" alt=\"\" width=\"813\" height=\"507\" \/><\/p>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u4fdd\u62a4\u4e8c\u6781\u7ba1\u7684\u7528\u9014<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-260\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-21.png\" alt=\"\" width=\"697\" height=\"406\" \/><\/p>\n<p>IO\u5f15\u811a\uff0c\u8fd9\u91cc\u63a5\u4e86\u4e24\u4e2a\u4fdd\u62a4\u4e8c\u6781\u7ba1\uff0c\u8fd9\u4e2a\u662f\u5bf9\u8f93\u5165\u7535\u538b\u8fdb\u884c\u9650\u5e45\u7684\uff0c\u4e0a\u9762\u8fd9\u4e2a\u4e8c\u6781\u7ba1\u63a5VDD,3.3V,\u4e0b\u9762\u63a5VSS,0V\u3002<\/p>\n<p>\u5982\u679c\u8f93\u5165\u7535\u538b\u6bd43.3V\u8fd8\u8981\u9ad8\uff0c\u90a3\u4e0a\u65b9\u8fd9\u4e2a\u4e8c\u6781\u7ba1\u5c31\u4f1a\u5bfc\u901a\uff0c\u8f93\u5165\u7535\u538b\u4ea7\u751f\u7684\u7535\u6d41\u5c31\u4f1a\u76f4\u63a5\u6d41\u5165VDD\u800c\u4e0d\u4f1a\u6d41\u5165\u5185\u90e8\u7535\u8def\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u907f\u514d\u8fc7\u9ad8\u7684\u7535\u538b\u5bf9\u5185\u90e8\u8fd9\u4e9b\u7535\u8def\u4ea7\u751f\u4f24\u5bb3\u3002<\/p>\n<p>\u5982\u679c\u8f93\u5165\u7535\u538b\u6bd40V\u8fd8\u8981\u4f4e\uff0c\u8fd9\u4e2a\u7535\u538b\u662f\u76f8\u5bf9\u4e8eVSS\u7684\u7535\u538b\uff0c\u6240\u4ee5\u662f\u53ef\u4ee5\u6709\u8d1f\u7535\u538b\u7684\uff0c\u90a3\u8fd9\u65f6\u4e0b\u65b9\u8fd9\u4e2a\u4e8c\u6781\u7ba1\u5c31\u4f1a\u5bfc\u901a\uff0c\u7535\u6d41\u4f1a\u4eceVSS\u76f4\u63a5\u6d41\u51fa\u53bb\uff0c\u800c\u4e0d\u4f1a\u4ece\u5185\u90e8\u6c72\u53d6\u7535\u6d41\uff0c\u4e5f\u662f\u53ef\u4ee5\u4fdd\u62a4\u5185\u90e8\u7535\u8def\u7684\u3002<\/p>\n<p>\u5982\u679c\u8f93\u5165\u7535\u538b\u57280~3.3V\u4e4b\u95f4\uff0c\u90a3\u4e24\u4e2a\u4e8c\u6781\u7ba1\u5747\u4e0d\u4f1a\u5bfc\u901a\uff0c\u8fd9\u65f6\u4e8c\u6781\u7ba1\u5bf9\u7535\u8def\u6ca1\u6709\u5f71\u54cd\uff0c\u8fd9\u5c31\u662f\u4fdd\u62a4\u4e8c\u6781\u7ba1\u7684\u7528\u9014\u3002<\/p>\n<p><\/div><\/div><\/div>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u4e0a\u62c9\u4e0b\u62c9\u7535\u963b\u7684\u4f5c\u7528<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-262\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-22.png\" alt=\"\" width=\"698\" height=\"411\" \/><\/p>\n<p>\u4e0a\u62c9\u7535\u963b\u548c\u4e0b\u62c9\u7535\u963b\uff0c\u4e0a\u62c9\u7535\u963b\u81f3VDD\uff0c\u4e0b\u62c9\u7535\u963b\u81f3VSS\uff0c\u8fd9\u4e2a\u5f00\u5173\u662f\u53ef\u4ee5\u901a\u8fc7\u7a0b\u5e8f\u8fdb\u884c\u914d\u7f6e\u7684\uff0c\u5982\u679c\u4e0a\u9762\u5bfc\u901a\u3001\u4e0b\u9762\u65ad\u5f00\uff0c\u5c31\u662f\u4e0a\u62c9\u8f93\u5165\u6a21\u5f0f\uff1b\u5982\u679c\u4e0b\u9762\u5bfc\u901a\u3001\u662f\u4e0a\u9762\u65ad\u5f00\uff0c\u5c31\u662f\u4e0b\u62c9\u8f93\u5165\u6a21\u5f0f\uff0c\u5982\u679c\u4e24\u4e2a\u90fd\u65ad\u5f00\uff0c\u5c31\u662f\u6d6e\u7a7a\u8f93\u5165\u6a21\u5f0f\u3002<\/p>\n<p>\u4e0a\u62c9\u548c\u4e0b\u62c9\u6709\u4ec0\u4e48\u4f5c\u7528\u5462\uff1f<\/p>\n<p>\u8fd9\u4e2a\u5176\u5b9e\u662f\u4e3a\u4e86\u7ed9\u8f93\u5165\u63d0\u4f9b\u4e00\u4e2a\u9ed8\u8ba4\u7684\u8f93\u5165\u7535\u5e73\u7684\uff0c\u56e0\u4e3a\u5bf9\u5e94\u4e00\u4e2a\u6570\u5b57\u7684\u7aef\u53e3\uff0c\u8f93\u5165\u4e0d\u662f\u9ad8\u7535\u5e73\u5c31\u662f\u4f4e\u7535\u5e73\uff0c\u90a3\u5982\u679c\u8f93\u5165\u5f15\u811a\u5565\u90fd\u4e0d\u63a5\uff0c\u90a3\u5230\u5e95\u7b97\u662f\u9ad8\u7535\u5e73\u8fd8\u662f\u4f4e\u7535\u5e73\u5462\uff1f\u8fd9\u5c31\u4e0d\u597d\u8bf4\u4e86\uff0c\u5b9e\u9645\u60c5\u51b5\u662f\uff0c\u5982\u679c\u8f93\u5165\u5565\u90fd\u4e0d\u63a5\uff0c\u8fd9\u65f6\u8f93\u5165\u5c31\u4f1a\u5904\u4e8e\u4e00\u79cd\u6d6e\u7a7a\u7684\u72b6\u6001\uff0c\u5f15\u811a\u7684\u8f93\u5165\u7535\u5e73\u6781\u6613\u53d7\u5916\u754c\u5e72\u6270\u800c\u6539\u53d8\uff0c\u5c31\u50cf\u662f\u4e00\u4e2a\u7269\u4f53\u60ac\u6d6e\u5728\u592a\u7a7a\u4e00\u6837\uff0c\u5b83\u7684\u4f4d\u7f6e\u662f\u4e0d\u786e\u5b9a\u7684\uff0c\u53d7\u5230\u4e00\u70b9\u6270\u52a8\u5c31\u4f1a\u53d8\u5316\uff0c\u4e3a\u4e86\u907f\u514d\u5f15\u811a\u60ac\u7a7a\u5bfc\u81f4\u7684\u8f93\u5165\u6570\u636e\u4e0d\u786e\u5b9a\uff0c\u6211\u4eec\u5c31\u9700\u8981\u5728\u8fd9\u91cc\u52a0\u4e0a\u4e0a\u62c9\u6216\u8005\u4e0b\u62c9\u7535\u963b\uff0c\u5982\u679c\u63a5\u5165\u4e0a\u62c9\u7535\u963b\uff0c\u5f53\u5f15\u811a\u60ac\u7a7a\u65f6\uff0c\u8fd8\u6709\u4e0a\u62c9\u7535\u963b\u6765\u4fdd\u8bc1\u5f15\u811a\u7684\u9ad8\u7535\u5e73\uff0c\u6240\u4ee5\u4e0a\u62c9\u8f93\u5165\u53c8\u53ef\u4ee5\u79f0\u4f5c\u9ed8\u8ba4\u4e3a\u9ad8\u7535\u5e73\u7684\u8f93\u5165\u65b9\u5f0f\uff0c\u4e0b\u62c9\u4e5f\u540c\u7406\uff0c\u5c31\u662f\u9ed8\u8ba4\u4e3a\u4f4e\u7535\u5e73\u7684\u8f93\u5165\u65b9\u5f0f\u3002<\/p>\n<p>\u8fd9\u4e2a\u4e0a\u62c9\u6216\u8005\u4e0b\u62c9\u7535\u963b\u7684\u963b\u503c\u90fd\u662f\u6bd4\u8f83\u5927\u7684\uff0c\u662f\u4e00\u79cd\u5f31\u4e0a\u62c9\u548c\u5f31\u4e0b\u62c9\uff0c\u76ee\u7684\u662f\u5c3d\u91cf\u4e0d\u5f71\u54cd\u6b63\u5e38\u7684\u8f93\u5165\u64cd\u4f5c\u3002<\/p>\n<p><\/div><\/div><\/div>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u65bd\u5bc6\u7279\u89e6\u53d1\u5668\u7684\u4f5c\u7528<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-265\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-23.png\" alt=\"\" width=\"655\" height=\"380\" 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class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg> \u6a21\u62df\u8f93\u5165\u548c\u590d\u7528\u529f\u80fd\u8f93\u5165\u7684\u4f5c\u7528<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-268\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-25.png\" alt=\"\" width=\"652\" height=\"384\" 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viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u4f4d\u8bbe\u7f6e\u548c\u4f4d\u6e05\u9664\u5bc4\u5b58\u5668\u7684\u4f5c\u7528<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>\u6570\u5b57\u90e8\u5206\u53ef\u4ee5\u7531\u8f93\u51fa\u6570\u636e\u5bc4\u5b58\u5668\u6216\u7247\u4e0a\u5916\u8bbe\u63a7\u5236\uff0c\u4e24\u79cd\u65b9\u5f0f\u901a\u8fc7\u6570\u636e\u9009\u62e9\u5668\u63a5\u5230\u4e86\u8f93\u51fa\u63a7\u5236\u90e8\u5206\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-270\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-26.png\" alt=\"\" width=\"653\" height=\"382\" 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loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-272\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-28.png\" alt=\"\" width=\"650\" height=\"383\" \/><\/p>\n<p>\u7b2c\u4e8c\u79cd\u65b9\u5f0f\u662f\u901a\u8fc7\u8bbe\u7f6e\u8fd9\u4e2a\u4f4d\u8bbe\u7f6e\/\u4f4d\u6e05\u9664\u5bc4\u5b58\u5668\uff0c\u5982\u679c\u6211\u4eec\u8981\u5bf9\u67d0\u4e00\u4f4d\u8fdb\u884c\u7f6e1\u7684\u64cd\u4f5c\uff0c\u5728\u4f4d\u8bbe\u7f6e\u5bc4\u5b58\u5668\u7684\u5bf9\u5e94\u4f4d\u51991\u5373\u53ef\uff0c\u5269\u4e0b\u4e0d\u9700\u8981\u64cd\u4f5c\u7684\u4f4d\u51990\uff0c\u8fd9\u6837\u5b83\u5185\u90e8\u5c31\u4f1a\u6709\u7535\u8def\uff0c\u81ea\u52a8\u5c06\u8f93\u51fa\u6570\u636e\u5bc4\u5b58\u5668\u4e2d\u7684\u5bf9\u5e94\u4f4d\u7f6e\u7f6e\u4e3a1\uff0c\u800c\u5269\u4e0b\u51990\u7684\u4f4d\u5219\u4fdd\u6301\u4e0d\u53d8\uff0c\u8fd9\u6837\u5c31\u4fdd\u8bc1\u4e86\u53ea\u64cd\u4f5c\u5176\u4e2d\u67d0\u4e00\u4f4d\u800c\u4e0d\u5f71\u54cd\u5176\u4ed6\u4f4d\uff0c\u5e76\u4e14\u8fd9\u662f\u4e00\u6b65\u5230\u4f4d\u7684\u64cd\u4f5c\uff1b\u5982\u679c\u6211\u4eec\u8981\u5bf9\u67d0\u4e00\u4f4d\u8fdb\u884c\u6e050\u7684\u64cd\u4f5c\uff0c\u5c31\u5728\u6e05\u9664\u5bc4\u5b58\u5668\u7684\u5bf9\u5e94\u4f4d\u51991\u5373\u53ef\uff0c\u8fd9\u6837\u5185\u90e8\u7535\u8def\u5c31\u4f1a\u628a\u8fd9\u4e00\u4f4d\u6e050\u4e86\uff0c\u8fd9\u5c31\u662f\u7b2c\u4e8c\u79cd\u65b9\u5f0f\uff0c\u8fd9\u4e5f\u5c31\u662f\u8fd9\u4e2a\u4f4d\u8bbe\u7f6e\u548c\u4f4d\u6e05\u9664\u5bc4\u5b58\u5668\u7684\u4f5c\u7528\u3002<\/p>\n<p>\u53e6\u5916\u8fd8\u6709\u7b2c\u4e09\u79cd\u64cd\u4f5c\u65b9\u5f0f\uff0c\u5c31\u662f\u8bfb\u5199STM32\u4e2d\u7684\u201c\u4f4d\u5e26\u201d\u533a\u57df\uff0c\u5728STM32\u4e2d\uff0c\u4e13\u95e8\u5206\u914d\u7684\u6709\u4e00\u6bb5\u5730\u5740\u533a\u57df\uff0c\u8fd9\u6bb5\u5730\u5740\u533a\u57df\u6620\u5c04\u4e86RAM\u548c\u5916\u8bbe\u5bc4\u5b58\u5668\u6240\u6709\u7684\u4f4d\uff0c\u8bfb\u5199\u8fd9\u6bb5\u5730\u5740\u4e2d\u7684\u6570\u636e\uff0c\u5c31\u76f8\u5f53\u4e8e\u8bfb\u5199\u6240\u6620\u5c04\u4f4d\u7f6e\u7684\u67d0\u4e00\u4f4d\uff0c\u8fd9\u5c31\u662f\u4f4d\u5e26\u7684\u64cd\u4f5c\u65b9\u5f0f\u3002<\/p>\n<p><\/div><\/div><\/div>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u4e09\u79cd\u8f93\u51fa\u6a21\u5f0f<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-277\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-29.png\" alt=\"\" width=\"647\" height=\"383\" \/><\/p>\n<p>\u63a5\u4e0b\u6765\u8f93\u51fa\u63a7\u5236\u4e4b\u540e\u5c31\u63a5\u5230\u4e86\u4e24\u4e2aMOS\u7ba1\uff0c\u4e0a\u9762\u662fP-MOS\uff0c\u4e0b\u9762\u662fN-MOS\uff0c\u8fd9\u4e2aMOS\u7ba1\u5c31\u662f\u4e00\u79cd\u7535\u5b50\u5f00\u5173\uff0c\u6211\u4eec\u7684\u4fe1\u53f7\u6765\u63a7\u5236\u5f00\u5173\u7684\u5bfc\u901a\u548c\u5173\u95ed\uff0c\u5f00\u5173\u8d1f\u8d23\u5c06IO\u53e3\u63a5\u5230VDD\u6216\u8005VSS\uff0c\u5728\u8fd9\u91cc\u53ef\u4ee5\u9009\u62e9\u63a8\u633d\u3001\u5f00\u6f0f\u6216\u8005\u5173\u95ed\u4e09\u79cd\u8f93\u51fa\u65b9\u5f0f\u3002<\/p>\n<p>\u5728\u63a8\u633d\u8f93\u51fa\u6a21\u5f0f\u4e0b\uff0cP-MOS\u548cN-MOS\u5747\u6709\u6548\uff0c\u6570\u636e\u5bc4\u5b58\u5668\u4e3a1\u65f6\uff0c\u4e0a\u7ba1\u5bfc\u901a\uff0c\u4e0b\u7ba1\u65ad\u5f00\uff0c\u8f93\u51fa\u76f4\u63a5\u63a5\u5230VDD\uff0c\u5c31\u662f\u8f93\u51fa\u9ad8\u7535\u5e73\u3002\u6570\u636e\u5bc4\u5b58\u5668\u4e3a0\u65f6\uff0c\u4e0a\u7ba1\u65ad\u5f00\uff0c\u4e0b\u7ba1\u5bfc\u901a\uff0c\u8f93\u51fa\u76f4\u63a5\u63a5\u5230VSS\uff0c\u5c31\u662f\u8f93\u51fa\u4f4e\u7535\u5e73\u3002\u8fd9\u79cd\u6a21\u5f0f\u4e0b\uff0c\u9ad8\u4f4e\u7535\u5e73\u5747\u6709\u8f83\u5f3a\u7684\u9a71\u52a8\u80fd\u529b\uff0c\u6240\u4ee5\u63a8\u633d\u8f93\u51fa\u6a21\u5f0f\u53ef\u4ee5\u53eb\u505a\u5f3a\u63a8\u8f93\u51fa\u6a21\u5f0f\u3002\u5728\u63a8\u633d\u8f93\u51fa\u6a21\u5f0f\u4e0b\uff0cSTM32\u5bf9IO\u53e3\u5177\u6709\u7edd\u5bf9\u7684\u63a7\u5236\u6743\uff0c\u9ad8\u4f4e\u7535\u5e73\u90fd\u7531STM32\u51b3\u5b9a\u3002<\/p>\n<p>\u5728\u5f00\u6f0f\u8f93\u51fa\u6a21\u5f0f\u4e0b\uff0c\u8fd9\u4e2aP-MOS\u662f\u65e0\u6548\u7684\uff0c\u53ea\u6709N-MOS\u5728\u5de5\u4f5c\uff0c\u6570\u636e\u5bc4\u5b58\u5668\u4e3a1\u65f6\uff0c\u4e0b\u7ba1\u65ad\u5f00\uff0c\u8fd9\u65f6\u8f93\u51fa\u5c31\u76f8\u5f53\u4e8e\u65ad\u5f00\uff0c\u4e5f\u5c31\u662f\u9ad8\u963b\u6a21\u5f0f\u3002\u6570\u636e\u5bc4\u5b58\u5668\u4e3a0\u65f6\uff0c\u4e0b\u7ba1\u5bfc\u901a\uff0c\u8f93\u51fa\u76f4\u63a5\u63a5\u5230VSS\uff0c\u4e5f\u5c31\u662f\u8f93\u51fa\u4f4e\u7535\u5e73\u3002\u8fd9\u79cd\u6a21\u5f0f\u4e0b\uff0c\u53ea\u6709\u4f4e\u7535\u5e73\u6709\u9a71\u52a8\u80fd\u529b\uff0c\u9ad8\u7535\u5e73\u662f\u6ca1\u6709\u9a71\u52a8\u80fd\u529b\u7684\u3002 \u5f00\u6f0f\u8f93\u51fa\u6a21\u5f0f\u6709\u4ec0\u4e48\u7528\u5462\uff1f\u8fd9\u4e2a\u6a21\u5f0f\u53ef\u4ee5\u4f5c\u4e3a\u901a\u4fe1\u534f\u8bae\u7684\u9a71\u52a8\u65b9\u5f0f\uff0c\u6bd4\u5982I2C\u901a\u4fe1\u7684\u5f15\u811a\uff0c\u5c31\u662f\u4f7f\u7528\u7684\u5f00\u6f0f\u6a21\u5f0f\uff0c\u5728\u591a\u673a\u901a\u4fe1\u7684\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e2a\u6a21\u5f0f\u53ef\u4ee5\u907f\u514d\u5404\u4e2a\u8bbe\u5907\u7684\u76f8\u4e92\u5e72\u6270\uff0c\u53e6\u5916\u5f00\u6f0f\u6a21\u5f0f\u8fd8\u53ef\u4ee5\u7528\u4e8e\u8f93\u51fa5V\u7684\u7535\u5e73\u4fe1\u53f7\uff0c\u6bd4\u5982\u5728IO\u53e3\u5916\u754c\u4e00\u4e2a\u4e0a\u62c9\u7535\u963b\u52305V\u7684\u7535\u6e90\uff0c\u5f53\u8f93\u51fa\u4f4e\u7535\u5e73\u65f6\uff0c\u7531\u5185\u90e8\u7684N-MOS\u76f4\u63a5\u63a5VSS\uff0c\u5230\u8f93\u51fa\u9ad8\u7535\u5e73\u65f6\uff0c\u7531\u5916\u90e8\u7684\u4e0a\u62c9\u7535\u963b\u62c9\u9ad8\u81f35V\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u8f93\u51fa5V\u7684\u7535\u5e73\u4fe1\u53f7\uff0c\u7528\u4e8e\u517c\u5bb9\u4e00\u4e9b5V\u7535\u5e73\u7684\u8bbe\u5907\uff0c\u8fd9\u5c31\u662f\u5f00\u6f0f\u8f93\u51fa\u7684\u4e3b\u8981\u7528\u9014\u3002<\/p>\n<p>\u6700\u540e\u4e00\u79cd\u6a21\u5f0f\u5c31\u662f\u5173\u95ed\uff0c\u8fd9\u4e2a\u662f\u5f53\u5f15\u811a\u914d\u7f6e\u4e3a\u8f93\u5165\u6a21\u5f0f\u7684\u65f6\u5019\uff0c\u8fd9\u4e24\u4e2aMOS\u7ba1\u90fd\u65e0\u6548\uff0c\u4e5f\u5c31\u662f\u8f93\u51fa\u5173\u95ed\uff0c\u7aef\u53e3\u7684\u7535\u5e73\u7531\u5916\u90e8\u4fe1\u53f7\u6765\u63a7\u5236\u3002<\/p>\n<p><\/div><\/div><\/div>\n<h2>GPIO\u76848\u79cd\u5de5\u4f5c\u6a21\u5f0f<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-279\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-30.png\" alt=\"\" width=\"869\" height=\"392\" \/><\/p>\n<h3>\u6d6e\u7a7a\/\u4e0a\u62c9\/\u4e0b\u62c9\u8f93\u5165\u7684\u7535\u8def\u7ed3\u6784<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-280\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-31.png\" alt=\"\" width=\"719\" height=\"356\" \/><\/p>\n<p>\u8fd9\u91cc\u53ef\u4ee5\u770b\u5230\uff0c\u5728\u8f93\u5165\u6a21\u5f0f\u4e0b\uff0c\u8f93\u51fa\u5bc4\u5b58\u5668\u662f\u65ad\u5f00\u7684\uff0c\u7aef\u53e3\u53ea\u80fd\u8f93\u5165\u800c\u4e0d\u80fd\u8f93\u51fa\u3002\u4e0a\u62c9\u4e0b\u62c9\u7535\u963b\u53ef\u4ee5\u914d\u7f6e\u4e3a\u4e0a\u62c9\u8f93\u5165\u3001\u4e0b\u62c9\u8f93\u5165\u548c\u6d6e\u7a7a\u8f93\u5165\uff0c\u7136\u540e\u8f93\u5165\u901a\u8fc7\u65bd\u5bc6\u7279\u89e6\u53d1\u5668\u8fdb\u884c\u6ce2\u5f62\u6574\u5f62\u540e\uff0c\u8fde\u63a5\u5230\u8f93\u5165\u6570\u636e\u5bc4\u5b58\u5668\u3002<\/p>\n<h3>\u6a21\u62df\u8f93\u5165\u7684\u7535\u8def\u7ed3\u6784<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-282\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-33.png\" alt=\"\" width=\"690\" height=\"365\" \/><\/p>\n<p>\u6a21\u62df\u8f93\u5165\u662fADC\u6a21\u6570\u8f6c\u6362\u5668\u7684\u4e13\u5c5e\u914d\u7f6e\uff0c\u8fd9\u91cc\u7684\u8f93\u51fa\u662f\u65ad\u5f00\u7684\uff0c\u8f93\u5165\u7684\u65bd\u5bc6\u7279\u89e6\u53d1\u5668\u4e5f\u662f\u5173\u95ed\u7684\u65e0\u6548\u72b6\u6001\uff0c\u53ea\u5269\u4e0b\u4e00\u6839\u7ebf\u4e86\uff0c\u4e5f\u5c31\u662f\u4ece\u5f15\u811a\u76f4\u63a5\u63a5\u5165\u7247\u4e0a\u5916\u8bbe\uff0c\u4e5f\u5c31\u662fADC\uff0c\u6240\u4ee5\u5f53\u6211\u4eec\u4f7f\u7528ADC\u7684\u65f6\u5019\uff0c\u5c06\u5f15\u811a\u914d\u7f6e\u4e3a\u6a21\u62df\u8f93\u5165\u5c31\u884c\u4e86\uff0c\u5176\u4ed6\u65f6\u5019\u4e00\u822c\u7528\u4e0d\u5230\u6a21\u62df\u8f93\u5165\u3002<\/p>\n<h3>\u5f00\u6f0f\u8f93\u51fa\u548c\u63a8\u633d\u8f93\u51fa\u7684\u7535\u8def\u7ed3\u6784<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-283\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-34.png\" alt=\"\" width=\"875\" height=\"434\" \/><\/p>\n<p>\u8fd9\u65f6\u5019\uff0c\u8f93\u51fa\u662f\u7531\u8f93\u51fa\u6570\u636e\u5bc4\u5b58\u5668\u63a7\u5236\u7684\uff0c\u8fd9\u4e2aP-MOS\u5982\u679c\u65e0\u6548\uff0c\u5c31\u662f\u5f00\u6f0f\u8f93\u51fa\uff0c\u5982\u679cP-MOS\u548cN-MOS\u90fd\u6709\u6548\uff0c\u5c31\u662f\u63a8\u633d\u8f93\u51fa\u3002\u53e6\u5916\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u5728\u8f93\u51fa\u6a21\u5f0f\u4e0b\uff0c\u8f93\u5165\u6a21\u5f0f\u4e5f\u662f\u6709\u6548\u7684\uff0c\u4f46\u662f\u5728\u8f93\u5165\u6a21\u5f0f\u4e0b\uff0c\u8f93\u51fa\u90fd\u662f\u65e0\u6548\u7684\uff0c\u8fd9\u662f\u56e0\u4e3a\u4e00\u4e2a\u7aef\u53e3\u53ea\u80fd\u6709\u4e00\u4e2a\u8f93\u51fa\uff0c\u4f46\u53ef\u4ee5\u6709\u591a\u4e2a\u8f93\u5165\uff0c\u6240\u4ee5\u5f53\u914d\u7f6e\u6210\u8f93\u51fa\u6a21\u5f0f\u7684\u65f6\u5019\uff0c\u5185\u90e8\u4e5f\u53ef\u4ee5\u987a\u4fbf\u8f93\u5165\u4e00\u4e0b\uff0c\u8fd9\u4e2a\u662f\u6ca1\u5565\u5f71\u54cd\u7684\u3002<\/p>\n<h3>\u590d\u7528\u5f00\u6f0f\u8f93\u51fa\u548c\u590d\u7528\u63a8\u633d\u8f93\u51fa<\/h3>\n<p>\u8fd9\u4fe9\u6a21\u5f0f\u8ddf\u666e\u901a\u7684\u5f00\u6f0f\u8f93\u51fa\u548c\u63a8\u633d\u8f93\u51fa\u5dee\u4e0d\u591a\uff0c\u53ea\u4e0d\u8fc7\u590d\u7528\u7684\u8f93\u51fa\uff0c\u5f15\u811a\u7535\u5e73\u662f\u7531\u7247\u4e0a\u5916\u8bbe\u63a7\u5236\u7684\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-284\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-35.png\" alt=\"\" width=\"815\" height=\"436\" \/><\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u8f93\u51fa\u6570\u636e\u5bc4\u5b58\u5668\u662f\u6ca1\u6709\u8fde\u63a5\u8f93\u51fa\u63a7\u5236\u7684\uff0c\u5f15\u811a\u7684\u63a7\u5236\u6743\u8f6c\u79fb\u5230\u7684\u7247\u4e0a\u5916\u8bbe\uff0c\u7531\u7247\u4e0a\u5916\u8bbe\u6765\u63a7\u5236\u3002\u5728\u8f93\u5165\u90e8\u5206\uff0c\u7247\u4e0a\u5916\u8bbe\u4e5f\u53ef\u4ee5\u8bfb\u53d6\u5f15\u811a\u7684\u7535\u5e73\uff0c\u540c\u65f6\u666e\u901a\u7684\u8f93\u5165\u4e5f\u662f\u6709\u6548\u7684\uff0c\u987a\u4fbf\u63a5\u6536\u4e00\u4e0b\u7535\u5e73\u4fe1\u53f7\u3002<\/p>\n<p>\u5176\u5b9e\u5728GPIO\u76848\u79cd\u6a21\u5f0f\u4e2d\uff0c\u9664\u4e86\u6a21\u62df\u8f93\u5165\u8fd9\u4e2a\u6a21\u5f0f\u4f1a\u5173\u95ed\u6570\u5b57\u7684\u8f93\u5165\u529f\u80fd\uff0c\u5176\u4ed6\u76847\u79cd\u6a21\u5f0f\u79cd\uff0c\u6240\u6709\u7684\u8f93\u5165\u90fd\u662f\u6709\u6548\u7684\u3002<\/p>\n<p>\u8fd9\u4e9b\u5c31\u662fSTM32 GPIO\u7684\u5168\u90e8\u4ecb\u7ecd\u4e86\u3002<\/p>\n<h2>LED\u548c\u8702\u9e23\u5668\u4ecb\u7ecd<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-286\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-36.png\" alt=\"\" width=\"1076\" height=\"481\" \/><\/p>\n<p>\u5982\u679c\u662f\u5f15\u811a\u6ca1\u6709\u4fee\u526a\u8fc7\u7684LED\uff0c\u5176\u4e2d\u957f\u811a\u662f\u6b63\u6781\uff0c\u77ed\u811a\u662f\u8d1f\u6781\uff0c\u901a\u8fc7LED\u5185\u90e8\u4e5f\u53ef\u4ee5\u770b\u5230\u6b63\u8d1f\u6781\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5bfc\u8bfb GPIO(General Purpose Input Output)\u901a\u7528\u8f93\u5165\u8f93\u51fa\u53e3\uff0c\u4fd7\u79f0IO\u53e3\u3002 GPI [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-255","post","type-post","status-publish","format-standard","hentry","category-stm32"],"_links":{"self":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts\/255","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/comments?post=255"}],"version-history":[{"count":14,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts\/255\/revisions"}],"predecessor-version":[{"id":290,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts\/255\/revisions\/290"}],"wp:attachment":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/media?parent=255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/categories?post=255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/tags?post=255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}