AM3352的 SPI0(pin A17/B17/A16/B16) 为slave, SPI1(pin A13/D12/B13/C12)设计为master。
请问 Figure 24-31 MCSPI_SYST Register 中SPIENDIR位怎样设置。SPI0,SPI1口是否有分开的MCSPI_SYST Register寄存器设置,谢谢
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每个SPI都有,文档里只是统一描述,实际对应的寄存器地址是不同的。
McSPI0 0x4803_0000 0x4803_0FFF 4KB McSPI0 Registers
McSPI1 0x481A_0000 0x481A_0FFF 4KB McSPI1 Registers