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LPC54608 M1-pin(1,20port) cannot onoff

Question asked by 実 奥山 on Feb 26, 2019
Latest reply on Feb 26, 2019 by xiangjun.rong

I tried onoff test of IO port. It is M1-pin,(port1,20).

Other pins do on-off.

But M1 pin do not   on-off.

Below is a sample program.

port(1,17)  do on-off.

But port(1,20 M1 pin) do not   on-off.

    GPIO_Clken(1);         /* GPIO1 CLK enable */

GPIO_PinInit(1,17, &output_config);  

GPIO_PinInit(1,20, &output_config);

 

               oPort_sub(1,17,1);
               oPort_sub(1,17,0);

               oPort_sub(1,20,1);
               oPort_sub(1,20,0);

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