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你好,F2812 GPIOF口就GPIOF12输出不来了高电平,其他都可以。。。我发现只有GPIOF12没有内部上拉。
我配置是这样的:
EALLOW;
GpioMuxRegs.GPFMUX.bit.MDXA_GPIOF12 = 0;
GpioMuxRegs.GPFDIR.bit.GPIOF12 = 1;
EDIS;
GpioDataRegs.GPFSET.bit.GPIOF12 = 1;
DELAY_US(1);
GpioDataRegs.GPFCLEAR.bit.GPIOF12 = 1;
好像也没问题啊,我天资驽钝,能不能详细一点