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DSP配置寄存器的时候为什么都需要一个影子寄存器

mangui zhang
Guru 56631 points


如下程序：

            ECanbShadow.CANTIOC.all = ECanbRegs.CANTIOC.all;
            ECanbShadow.CANTIOC.bit.TXFUNC = 1;
            ECanbRegs.CANTIOC.all = ECanbShadow.CANTIOC.all;



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