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12.2.3 Direction Registers (PxDIR) Each bit in each PxDIR register selects the direction of the corresponding I/O pin, regardless of the selected function for the pin. PxDIR bits for I/O pins that are selected for other functions must be set as required by the other function. • Bit = 0: Port pin is switched to input direction • Bit = 1: Port pin is switched to output direction
