PIC12F675 GP4 no funciona

Estoy usando un PIC12F675 para un proyecto, y todo funciona bien, excepto una cosa. GP4 no funciona como IO digital. He mirado mucho las configuraciones y el código, pero no pude encontrar nada. Config: #pragma config FOSC = INTRCCLK #pragma config WDTE = OFF #pragma config PWRTE = OFF #pragma...

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