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从官网下的资料看TMS320F2808为什么有两组SPI_B端口？
分别是
PN:1;95;8;9
PN:83;91;99;79
楼主你好！
是的，为了方便客户选择和更好的布线，SPIB信号映射到了你上面提到的管脚上。你可以根据需要通过GPIOMUX来选择哪个管脚作为SPIB信号。
