定时器（TIM）和通用输入/输出（GPIO） 实现功能：定时器每20ms扫描一次按键，按键配置LED亮灭
主要功能：定时器每20ms扫描一次按键，按键配置LED亮灭。
在STM32F103系列的单片机应用中，定时器（TIM）和通用输入/输出（GPIO）是常用的模块之一。这两个模块结合起来，可以实现非常多的实际应用，其中，定时器可以用来实现定时扫描按键，而GPIO可以用来控制LED等设备。
在STM32F103单片机中，如何使用定时器和GPIO模块实现定时扫描按键功能。通过学习定时器和GPIO的相关原理和函数，我们可以更加深入地了解STM32F103单片机的工作原理，从而更好地完成各类实际应用。
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本站所有资源不代表本站的观点或立场，基于网友分享，根据中国法律《信息网络传播权保护条例》第二十二条之规定，若资源存在侵权或相关问题请联系本站客服人员，zhiweidada#qq.com，请把#换成@，本站将给予最大的支持与配合，做到及时反馈和处理。关于更多版权及免责申明参见 版权及免责申明