和595_SCR、595_SER、595_SCK、595_CLR连接的stm32G431的PB12、PB13、PB14、PB15这4个IO,IO口定义如图所示。
发现有些线路板会在上电时,595的输出会有高电平输出,而且不同的线路板595输出高电平都在不同的引脚位置,而在初始化后会变成低电平,大家有碰到这样的情形吗?有什么好的预防措施吗?
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.