AM3352有多个SPI口,是否可以主/从站混用,及SPI0(Pin A17,B17,B16,A16)用作从站,SPI1 (pin A13,D12,B13,C12)用作主站外接SPI FLASH。
如果可以,那寄存器MCSPI_MODULCTRL的bit2 MS 设置为0还是1?

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SPI0和SPI是独立的两个口,有各自的一套SPI寄存器包括MCSPI_MODULCTRL寄存器。SPI0的寄存器基址从0x4803_0000开始,SPI1的寄存器基址从0x481A_0000,具体请查看下面TRM的memory map,所以配置各自的MCSPI_MODULCTRL里的MS位就可以了。
Table 2-3. L4_PER Peripheral Memory Map (continued)
https://www.ti.com/lit/ug/spruh73q/spruh73q.pdf