摘要: 查了下数据手册,里面有这么一句话:The input data register (GPIOx_IDR) captures the data present on the I/O pin at every AHB1 clock cycle. 在另外一个手册里,有这么一句话:The written d 阅读全文
posted @ 2019-12-24 19:58 荒原狼的技术博客 阅读(357) 评论(0) 推荐(0)