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.
各位专家好:
请问,SPI口时钟输出的电压有3.3v,请问能不能将该电压调低呢?
如果只是时钟信号的话 建议在外部采用分压处理
如果整个SPI接口的电平和你接收端不匹配 建议使用专用的SPI buffer
如果要转成5V或者1.8V,建议加一个level shift.
囧,请问如何加一个level shift
张工你好,你说的专用的SPI buffer 是采用spi_fifo吗?