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TI am3359 SPI channel number

Other Parts Discussed in Thread: AM3359

Can the AM3359 cpu have 3SPI? Has the AM3359  three SPI chip select pin? Has the AM3359 these chip select pins such as SPI0_CS0,SPI0_CS1 ,SPI1_CS0and SPI1_CS1? I want to use three SPI channel to driver three SPI chip working , I see AM3359 has only 2 SPI. I don't know how much the AM3359 CPU have chip select pins and channels to driver slave SPI devices?

  • AM3359只有2个SPI接口,支持同时2个SPI接口的访问。如果楼主想实现3个SPI设备的访问,有两个方法,取决于你的应用。

    1. 利用管脚复用功能,分时复用SPI接口。例如MCSPI0功能可以分配给P1[14-17]和P0[8-11].

      你可以分时地利用这两组端口去访问你的设备。

    2. AM3359带 有两个PRU模块,你可以用PRU模块实现SPI的访问。