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.

AM3352:IO expander & SYS_BOOT & SPI_CS & INT#

Other Parts Discussed in Thread: AM3352

TI 专家

GPIO 不够用,SPI CS 也不够用, 使用common的I2C IO expander 扩展(bidirectional with interrupt), 请问扩展芯片上是否可以连接多个SPI_cs# 信号,还是一定需要接到am3352上面, 同问外设的interrupt是否也可以接到扩展芯片上

16 SYS_BOOT pins是否可以处理这些SPI_cs#或者外设的interrupt。

谢谢