{"id":432,"date":"2025-12-04T14:58:12","date_gmt":"2025-12-04T06:58:12","guid":{"rendered":"https:\/\/www.52runoob.com\/?p=432"},"modified":"2025-12-04T14:58:12","modified_gmt":"2025-12-04T06:58:12","slug":"arm%e5%be%ae%e6%8e%a7%e5%88%b6%e5%99%a8%e5%85%a5%e9%97%a8%ef%bc%9a%e8%af%a6%e8%a7%a3mcu%e6%80%bb%e4%bd%93%e7%bb%93%e6%9e%84%e4%b8%8e%e7%a8%8b%e5%ba%8f%e8%bf%90%e8%a1%8c%e6%9c%ba%e5%88%b6%ef%bc%8c","status":"publish","type":"post","link":"https:\/\/www.52runoob.com\/index.php\/2025\/12\/04\/arm%e5%be%ae%e6%8e%a7%e5%88%b6%e5%99%a8%e5%85%a5%e9%97%a8%ef%bc%9a%e8%af%a6%e8%a7%a3mcu%e6%80%bb%e4%bd%93%e7%bb%93%e6%9e%84%e4%b8%8e%e7%a8%8b%e5%ba%8f%e8%bf%90%e8%a1%8c%e6%9c%ba%e5%88%b6%ef%bc%8c\/","title":{"rendered":"ARM\u5fae\u63a7\u5236\u5668\u5165\u95e8\uff1a\u8be6\u89e3MCU\u603b\u4f53\u7ed3\u6784\u4e0e\u7a0b\u5e8f\u8fd0\u884c\u673a\u5236\uff0c\u4ece\u96f6\u57fa\u7840\u5230\u7cbe\u901a\uff0c\u6536\u85cf\u8fd9\u7bc7\u5c31\u591f\u4e86\uff01"},"content":{"rendered":"\n<p>\u4e0b\u9762\u7ed9\u4f60\u4e00\u7bc7 <strong>\u9ad8\u8d28\u91cf\u3001\u53ef\u76f4\u63a5\u53d1\u5e03\u5230\u516c\u4f17\u53f7\/\u77e5\u4e4e\/\u89c6\u9891\u811a\u672c\u7528\u7684\u4e13\u4e1a\u79d1\u666e\u6587\u6848<\/strong>\u3002\u5185\u5bb9\u4ece\u96f6\u57fa\u7840\u8bb2\u5230\u6df1\u5ea6\uff0c\u6807\u9898\u5df2\u6309\u4f60\u8981\u6c42\u5448\u73b0\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>ARM\u5fae\u63a7\u5236\u5668\u5165\u95e8\uff1a\u8be6\u89e3MCU\u603b\u4f53\u7ed3\u6784\u4e0e\u7a0b\u5e8f\u8fd0\u884c\u673a\u5236\uff0c\u4ece\u96f6\u57fa\u7840\u5230\u7cbe\u901a\uff0c\u6536\u85cf\u8fd9\u7bc7\u5c31\u591f\u4e86\uff01<\/strong><\/h1>\n\n\n\n<p>\u60f3\u5165\u95e8 STM32\u3001GD32\u3001NXP\u3001Nordic\u3001\u5168\u5fd7\u7b49 ARM \u5fae\u63a7\u5236\u5668\uff0c\u5374\u603b\u611f\u89c9\u8d44\u6599\u592a\u788e\u3001\u6982\u5ff5\u592a\u591a\u3001\u4e0d\u77e5\u4ece\u54ea\u91cc\u5b66\u8d77\uff1f<br>\u672c\u6587\u5c31\u662f\u4e3a\u4f60\u51c6\u5907\u7684 <strong>\u4e00\u7bc7\u80fd\u591f\u4ece\u300c\u65b0\u624b\u300d\u76f4\u63a5\u8bfb\u5230\u300c\u7406\u89e3\u5e95\u5c42\u300d\u7684 MCU \u5165\u95e8\u5168\u6307\u5357<\/strong>\u3002<\/p>\n\n\n\n<p>\u53ea\u8981 10 \u5206\u949f\uff0c\u4f60\u5c31\u80fd\u6e05\u695a\u641e\u61c2\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ec0\u4e48\u662f MCU\uff0c\u4e0e CPU\u3001MPU \u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/li>\n\n\n\n<li>ARM Cortex-M \u67b6\u6784\u5230\u5e95\u957f\u4ec0\u4e48\u6837\uff1f<\/li>\n\n\n\n<li>FLASH\u3001SRAM\u3001\u5bc4\u5b58\u5668\u3001\u603b\u7ebf\u2026\u600e\u4e48\u534f\u540c\uff1f<\/li>\n\n\n\n<li>\u7a0b\u5e8f\u70e7\u8fdb\u53bb\u540e\u5230\u5e95\u600e\u4e48\u8fd0\u884c\uff1f<\/li>\n\n\n\n<li>\u4e2d\u65ad\u3001\u65f6\u949f\u3001\u5916\u8bbe\u3001\u542f\u52a8\u6587\u4ef6\u7684\u672c\u8d28\u662f\u4ec0\u4e48\uff1f<\/li>\n\n\n\n<li>\u5982\u4f55\u4ece\u96f6\u5f00\u59cb\u5199\u4e00\u4e2a\u88f8\u673a\u7a0b\u5e8f\uff1f<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83e\udde9 <strong>\u4e00\u3001\u4ec0\u4e48\u662f MCU\uff1f\u4e00\u56fe\u770b\u61c2<\/strong><\/h1>\n\n\n\n<p><strong>MCU = CPU + \u5185\u5b58 + \u5916\u8bbe + \u63a5\u53e3 + \u7535\u6e90\u7ba1\u7406<\/strong> \u2192 \u5168\u90fd\u5728 <strong>\u4e00\u9897\u82af\u7247<\/strong> \u91cc\u3002<\/p>\n\n\n\n<p>\u5b83\u548c\u7535\u8111 CPU \u6700\u5927\u7684\u533a\u522b\u662f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9879\u76ee<\/th><th>MCU<\/th><th>CPU<\/th><\/tr><\/thead><tbody><tr><td>\u7ec4\u6210<\/td><td>CPU + FLASH + RAM + \u5916\u8bbe<\/td><td>\u53ea\u6709 CPU<\/td><\/tr><tr><td>\u7a0b\u5e8f\u5b58\u50a8<\/td><td>\u82af\u7247\u5185\u90e8\uff08FLASH\uff09<\/td><td>\u5916\u90e8\u5185\u5b58\uff08SSD \/ HDD\uff09<\/td><\/tr><tr><td>\u6267\u884c\u901f\u5ea6<\/td><td>\u51e0\u5341 MHz \uff5e \u51e0\u767e MHz<\/td><td>\u51e0 GHz<\/td><\/tr><tr><td>\u529f\u8017<\/td><td>\u6781\u4f4e\uff08mW\uff09<\/td><td>\u9ad8<\/td><\/tr><tr><td>\u7528\u9014<\/td><td>\u63a7\u5236\uff08\u5bb6\u7535\u3001\u673a\u5668\u4eba\uff09<\/td><td>\u8fd0\u7b97\uff08\u7535\u8111\u3001\u670d\u52a1\u5668\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u4e00\u53e5\u8bdd\uff1a<br><strong>MCU \u662f\u4e16\u754c\u4e0a\u6700\u4fbf\u5b9c\u3001\u6700\u9ad8\u6548\u7684\u5c0f\u578b\u63a7\u5236\u5927\u8111\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83e\udde0 <strong>\u4e8c\u3001ARM Cortex-M \u67b6\u6784\uff1aMCU \u7684\u4e3b\u6d41\u6838\u5fc3<\/strong><\/h1>\n\n\n\n<p>\u7edd\u5927\u591a\u6570 MCU \u90fd\u4f7f\u7528 ARM \u7684 Cortex-M \u5185\u6838\uff0c\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>STM32\uff08ST\uff09<\/li>\n\n\n\n<li>GD32\uff08\u5146\u6613\uff09<\/li>\n\n\n\n<li>LPC\uff08NXP\uff09<\/li>\n\n\n\n<li>Kinetis\uff08NXP\uff09<\/li>\n\n\n\n<li>NRF52\uff08Nordic\uff09<\/li>\n\n\n\n<li>EFM32\uff08Silicon Labs\uff09<\/li>\n<\/ul>\n\n\n\n<p>Cortex-M \u7cfb\u5217\u5206\u7ea7\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6838\u5fc3<\/th><th>\u7279\u70b9<\/th><th>\u9002\u7528<\/th><\/tr><\/thead><tbody><tr><td>Cortex-M0\/M0+<\/td><td>\u6700\u4f4e\u529f\u8017\u3001\u6700\u4f4e\u6210\u672c<\/td><td>\u5165\u95e8\u3001\u4f4e\u529f\u8017\u4ea7\u54c1<\/td><\/tr><tr><td>Cortex-M3<\/td><td>\u901a\u7528\u63a7\u5236<\/td><td>\u5927\u90e8\u5206 MCU<\/td><\/tr><tr><td>Cortex-M4<\/td><td>DSP\/\u6d6e\u70b9\u8fd0\u7b97<\/td><td>\u97f3\u9891\u3001\u63a7\u5236\u3001\u7535\u673a<\/td><\/tr><tr><td>Cortex-M7<\/td><td>\u8d85\u9ad8\u6027\u80fd<\/td><td>\u9ad8\u901f DSP\u3001\u56fe\u50cf\u5904\u7406<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u4f60\u5b66\u4e60 STM32F103\uff08M3\uff09 \u6216 F407\uff08M4\uff09 \u5c31\u5c5e\u4e8e\u4e3b\u6d41\u8def\u7ebf\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83e\uddec <strong>\u4e09\u3001MCU \u603b\u4f53\u7ed3\u6784\uff08\u8d85\u6e05\u6670\u8bb2\u89e3\uff09<\/strong><\/h1>\n\n\n\n<p>\u4e00\u4e2a\u5178\u578b ARM MCU \u7531\u4ee5\u4e0b\u6a21\u5757\u7ec4\u6210\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n \u2502     CPU\u6838\u5fc3(Cortex-M)      \u2502\n \u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n \u2502   \u4e2d\u65ad\u63a7\u5236\u5668 NVIC          \u2502\n \u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n \u2502 Flash(\u7a0b\u5e8f)  SRAM(\u6570\u636e)   \u2502\n \u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n \u2502     AHB\/APB \u603b\u7ebf\u77e9\u9635        \u2502\n \u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n \u2502 \u5916\u8bbe\uff1aGPIO\/UART\/SPI\/I2C    \u2502\n \u2502 Timers\/ADC\/DAC\/USB\/CAN \u2026  \u2502\n \u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n \u2502 \u65f6\u949f\u6811(PLL, HSE, LSI)     \u2502\n \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n\n<\/pre><\/div>\n\n\n<p>\u6bcf\u4e2a\u6a21\u5757\u505a\u4ec0\u4e48\uff1f\u4e00\u53e5\u8bdd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>CPU<\/strong>\uff1a\u6267\u884c\u6307\u4ee4<\/li>\n\n\n\n<li><strong>FLASH<\/strong>\uff1a\u4fdd\u5b58\u7a0b\u5e8f<\/li>\n\n\n\n<li><strong>SRAM<\/strong>\uff1a\u8fd0\u884c\u65f6\u6570\u636e<\/li>\n\n\n\n<li><strong>\u5916\u8bbe<\/strong>\uff1a\u63a7\u5236\u5668\uff08UART \u901a\u4fe1\u3001ADC \u91c7\u6837\u3001\u5b9a\u65f6\u5668\uff09<\/li>\n\n\n\n<li><strong>\u603b\u7ebf<\/strong>\uff1a\u8fde\u63a5\u5404\u6a21\u5757<\/li>\n\n\n\n<li><strong>NVIC<\/strong>\uff1a\u4e2d\u65ad\u7ba1\u7406<\/li>\n\n\n\n<li><strong>\u65f6\u949f\u6811<\/strong>\uff1a\u7ed9\u6574\u4e2a\u7cfb\u7edf\u4f9b\u65f6<\/li>\n<\/ul>\n\n\n\n<p>\u5b66 MCU = \u5f04\u61c2\u8fd9\u4e9b\u6a21\u5757\u5982\u4f55\u534f\u540c\u5de5\u4f5c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83c\udfc1 <strong>\u56db\u3001\u7a0b\u5e8f\u662f\u600e\u4e48\u8dd1\u8d77\u6765\u7684\uff1f\uff08\u5173\u952e\u539f\u7406\uff09<\/strong><\/h1>\n\n\n\n<p>MCU \u7a0b\u5e8f\u4ece\u4f60\u6309\u4e0b\u91cd\u7f6e\u952e\u5f00\u59cb\uff1a<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1\uff09Reset \u2192 \u6267\u884c bootloader\uff08\u53ef\u9009\uff09<\/strong><\/h2>\n\n\n\n<p>\u5927\u591a\u6570\u82af\u7247\u5728 ROM \u4e2d\u5185\u7f6e\u4e00\u4e2a <strong>Bootloader<\/strong> \u7528\u4e8e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ISP \u70e7\u5f55<\/li>\n\n\n\n<li>USB\/UART \u65b9\u5f0f\u66f4\u65b0\u56fa\u4ef6<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2\uff09\u7a0b\u5e8f\u8df3\u8f6c\u5230 Flash \u7684 0x08000000<\/strong><\/h2>\n\n\n\n<p>\u8fd9\u662f MCU \u56fa\u5b9a\u7684\u7a0b\u5e8f\u8d77\u59cb\u5730\u5740\u3002<\/p>\n\n\n\n<p>FLASH \u8d77\u59cb\u4e24\u9879\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5730\u5740<\/th><th>\u542b\u4e49<\/th><\/tr><\/thead><tbody><tr><td>0x00<\/td><td>MSP \u4e3b\u6808\u5730\u5740<\/td><\/tr><tr><td>0x04<\/td><td>Reset_Handler \u5730\u5740<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3\uff09\u6267\u884c Reset_Handler\uff08\u542f\u52a8\u6587\u4ef6\uff09<\/strong><\/h2>\n\n\n\n<p>\u542f\u52a8\u6587\u4ef6\u4f1a\u505a\u51e0\u4ef6\u4e8b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u521d\u59cb\u5316\u6808\u6307\u9488<\/li>\n\n\n\n<li>\u62f7\u8d1d\u5168\u5c40\u53d8\u91cf\u5230 RAM<\/li>\n\n\n\n<li>\u6e05\u7a7a BSS \u533a<\/li>\n\n\n\n<li>\u521d\u59cb\u5316\u7cfb\u7edf\u65f6\u949f<\/li>\n\n\n\n<li>\u8c03\u7528 <code>main()<\/code> \u51fd\u6570<\/li>\n<\/ul>\n\n\n\n<p>\u4ece\u6b64\u8fdb\u5165\u4f60\u7684\u7a0b\u5e8f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83d\udce1 <strong>\u4e94\u3001\u5916\u8bbe\u662f\u600e\u4e48\u5de5\u4f5c\u7684\uff1f\uff08\u5bc4\u5b58\u5668\u672c\u8d28\u89e3\u6790\uff09<\/strong><\/h1>\n\n\n\n<p>\u5916\u8bbe\uff08UART\u3001GPIO\u3001ADC \u7b49\uff09\u90fd\u662f CPU \u4e0d\u80fd\u76f4\u63a5\u6267\u884c\u7684\uff0c\u9700\u8981\u901a\u8fc7<strong>\u5bc4\u5b58\u5668<\/strong>\u63a7\u5236\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1aGPIO \u7684\u5bc4\u5b58\u5668\u7ed3\u6784\u53ef\u80fd\u662f\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nGPIO_MODER     # \u914d\u7f6e\u8f93\u5165\/\u8f93\u51fa\nGPIO_ODR       # \u8f93\u51fa\u7535\u5e73\nGPIO_IDR       # \u8f93\u5165\u7535\u5e73\n\n<\/pre><\/div>\n\n\n<p>\u5199\u5bc4\u5b58\u5668 = \u63a7\u5236\u786c\u4ef6\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nGPIOA-&gt;ODR |= (1 &amp;lt;&amp;lt; 5); \/\/ PA5 \u8f93\u51fa\u9ad8\u7535\u5e73\n\n<\/pre><\/div>\n\n\n<p>\u4f60\u5199\u7684 C \u8bed\u8a00\u4f1a\u88ab\u7f16\u8bd1\u6210\u5bc4\u5b58\u5668\u8bbf\u95ee\u6307\u4ee4 \u2192 \u5b9e\u9645\u63a7\u5236\u5f15\u811a\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83e\udde8 <strong>\u516d\u3001\u4e2d\u65ad NVIC\uff1aMCU \u6700\u6838\u5fc3\u7684\u673a\u5236<\/strong><\/h1>\n\n\n\n<p>\u5916\u8bbe\u4e8b\u4ef6\uff08\u6309\u952e\u3001\u8ba1\u65f6\u5668\u3001\u4e2d\u65ad\u3001\u4e32\u53e3\u63a5\u6536\uff09\u90fd\u901a\u8fc7 NVIC \u89e6\u53d1\u4e2d\u65ad\u3002<\/p>\n\n\n\n<p>\u7a0b\u5e8f\u4ece\u4e3b\u5faa\u73af\u8df3\u5230 ISR \u6267\u884c\uff0c\u76f8\u5f53\u4e8e\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nwhile(1) {\n    \/\/ \u4e3b\u7a0b\u5e8f\n}\nInterrupt_Handler() {\n    \/\/ \u4e2d\u65ad\u54cd\u5e94\n}\n\n<\/pre><\/div>\n\n\n<p>\u4f8b\u5982\uff1a\u4e32\u53e3\u6536\u5230\u4e00\u4e2a\u5b57\u8282 \u2192 \u89e6\u53d1 USART \u4e2d\u65ad \u2192 \u8fd0\u884c\u4f60\u7684\u56de\u8c03\u51fd\u6570\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u23f1 <strong>\u4e03\u3001\u65f6\u949f\u7cfb\u7edf\uff08Clock Tree\uff09\u4e3a\u4ec0\u4e48\u91cd\u8981\uff1f<\/strong><\/h1>\n\n\n\n<p>\u65f6\u949f\u51b3\u5b9a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CPU \u8fd0\u884c\u9891\u7387\uff08\u4e3b\u9891\uff09<\/li>\n\n\n\n<li>\u5916\u8bbe\u65f6\u949f\uff08ADC\u3001SPI\uff09<\/li>\n\n\n\n<li>\u5b9a\u65f6\u5668\u8ba1\u6570\u901f\u5ea6<\/li>\n<\/ul>\n\n\n\n<p>\u5178\u578b MCU \u7684\u65f6\u949f\u6e90\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5916\u90e8\u6676\u632f HSE\uff088\u201325MHz\uff09<\/li>\n\n\n\n<li>\u5185\u90e8 RC \u65f6\u949f HSI<\/li>\n\n\n\n<li>PLL \u500d\u9891\u5668<\/li>\n<\/ul>\n\n\n\n<p>\u5b66\u4e60 STM32 \u65f6\u4f60\u4f1a\u770b\u5230\u4e00\u5f20\u300c\u65f6\u949f\u6811\u300d\uff08Clock Tree\uff09\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83e\uddea <strong>\u516b\u3001\u4ece\u96f6\u5f00\u59cb\u5199\u4e00\u4e2a\u5b8c\u6574\u7684\u88f8\u673a\u7a0b\u5e8f\uff08STM32\u793a\u4f8b\uff09<\/strong><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1\uff09\u70b9\u4eae\u4e00\u4e2a LED<\/strong><\/h2>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nint main() {\n    RCC-&gt;AHB1ENR |= (1 &amp;lt;&amp;lt; 0);     \/\/ \u4f7f\u80fd GPIOA\n    GPIOA-&gt;MODER |= (1 &amp;lt;&amp;lt; 10);    \/\/ PA5 \u63a8\u633d\u8f93\u51fa\n\n    while(1) {\n        GPIOA-&gt;ODR |= (1 &amp;lt;&amp;lt; 5);   \/\/ PA5 = 1\n        delay_ms(500);\n        GPIOA-&gt;ODR &amp;amp;= ~(1 &amp;lt;&amp;lt; 5);  \/\/ PA5 = 0\n        delay_ms(500);\n    }\n}\n\n<\/pre><\/div>\n\n\n<p>\u8fd9\u662f\u6240\u6709 MCU \u5b66\u4e60\u7684 Hello World\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83d\udcda <strong>\u4e5d\u3001\u4ece\u5165\u95e8\u5230\u7cbe\u901a\uff0c\u9700\u8981\u5b66\u4e60\u54ea\u4e9b\uff1f\uff08\u5b66\u4e60\u8def\u7ebf\uff09<\/strong><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u9636\u6bb5 1\uff1a\u57fa\u7840\u5165\u95e8\uff082 \u5929\uff09<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C \u8bed\u8a00\uff08\u6307\u9488\u3001\u7ed3\u6784\u4f53\uff09<\/li>\n\n\n\n<li>MCU \u67b6\u6784\uff08\u672c\u6587\u5185\u5bb9\uff09<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u9636\u6bb5 2\uff1a\u786c\u4ef6\u7406\u89e3\uff083\u20137 \u5929\uff09<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GPIO\u3001EXTI\u3001\u4e2d\u65ad<\/li>\n\n\n\n<li>\u5b9a\u65f6\u5668\u3001PWM<\/li>\n\n\n\n<li>UART\/SPI\/I2C<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u9636\u6bb5 3\uff1a\u9ad8\u7ea7\u5916\u8bbe\uff081\u20132 \u5468\uff09<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ADC\u3001DMA\u3001PWM \u63a7\u5236<\/li>\n\n\n\n<li>\u4f4e\u529f\u8017<\/li>\n\n\n\n<li>\u770b\u624b\u518c\uff08MCU \u6700\u91cd\u8981\u6280\u80fd\uff09<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u9636\u6bb5 4\uff1a\u7cfb\u7edf\u7ea7\uff082\u20134 \u5468\uff09<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>FreeRTOS<\/li>\n\n\n\n<li>Bootloader<\/li>\n\n\n\n<li>\u5916\u8bbe\u9a71\u52a8\u8bbe\u8ba1<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u9636\u6bb5 5\uff1a\u9879\u76ee\u5b9e\u6218<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7535\u673a\u63a7\u5236<\/li>\n\n\n\n<li>BLE \u901a\u4fe1<\/li>\n\n\n\n<li>\u4f20\u611f\u5668\u91c7\u96c6<\/li>\n\n\n\n<li>IoT \u4e0a\u4e91<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0b\u9762\u7ed9\u4f60\u4e00\u7bc7 \u9ad8\u8d28\u91cf\u3001\u53ef\u76f4\u63a5\u53d1\u5e03\u5230\u516c\u4f17\u53f7\/\u77e5\u4e4e\/\u89c6\u9891\u811a\u672c\u7528\u7684\u4e13\u4e1a\u79d1\u666e\u6587\u6848\u3002\u5185\u5bb9\u4ece&#8230; <a class=\"more-link\" href=\"https:\/\/www.52runoob.com\/index.php\/2025\/12\/04\/arm%e5%be%ae%e6%8e%a7%e5%88%b6%e5%99%a8%e5%85%a5%e9%97%a8%ef%bc%9a%e8%af%a6%e8%a7%a3mcu%e6%80%bb%e4%bd%93%e7%bb%93%e6%9e%84%e4%b8%8e%e7%a8%8b%e5%ba%8f%e8%bf%90%e8%a1%8c%e6%9c%ba%e5%88%b6%ef%bc%8c\/\">Continue Reading &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-432","post","type-post","status-publish","format-standard","hentry","category-12"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/432","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/comments?post=432"}],"version-history":[{"count":1,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/432\/revisions"}],"predecessor-version":[{"id":433,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/432\/revisions\/433"}],"wp:attachment":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/media?parent=432"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/categories?post=432"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/tags?post=432"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}