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CC1310 硬件电路随机连接IO port,使用SPI和UART接口功能时,是通过软件模拟实现的接口功能?还是通过硬件IO switch方式连接到内部的SPI和UART接口实现接口的功能?



我在设计硬件电路时,发现资料“CC13x0, CC26x0 Simplelink wireless MCU Technical Reference Manual”有写SPI和UART都是有固定IO的;但是资料上又写“MCU IOC可以映射许多外设模块,如GPIO,SSI(SPI),UART,I2C和I2S 任何可用的I / O.”。请问当硬件电路随机连接IO port,要实现SPI和UART功能时,是通过软件模拟实现的接口功能?还是通过硬件IO switch方式连接到内部的SPI和UART接口实现接口的功能?