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377-SPI有高速模式通过SpiaRegs.***.bit.HS_MODE激活, 如果我不启用高速模式,用ClkCfgRegs.LOSPCP.bit.LSPCLKDIV =0将低速时钟配置成200M。
那通过配置SPIBRR为4或9对应40M和20M的SPI时钟。是否可以这样使用。还是一定要启用高速模式,什么情况下应该使用高速模式,高速模式的最高时钟频率是多少,200M?