最近再看OMAP_L138的SPI, 发现spi的功能管脚复用涉及到两处不同部分的寄存器配置, 一处是'System Configuration (SYSCFG) Module'部分的'PINMUXn'寄存器, 另一处是spi部分的SPIPCn寄存器.
这两处寄存器的配置有什么不同和联系吗?
是否两处都需要配置, 还是只要配置一处?
是否会出现冲突?
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