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.

早上好,我想问下28335片选的问题。。。



假设片选外部ram到zone7,这个地址是怎么选中的呢?zone7地址是0x200000,但是你的接口地址线只有20个啊,而且我见过很多地址线进行了上拉高电平,我的意思是地址线电平的高低对片选是没关系的吗??