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ABOV Semiconductor Co., Ltd.
9.10 P7 Port
9.10.1 P7 Port Description
P7 is 8-bit I/O port. P7 control registers consist of P7 data register (P7), P7 direction register (P7IO), P7 pull-up resistor
selection register (P7PU) and P7 open-drain selection register (P7OD) . Refer to the port function selection registers
for the P7 function selection.
9.10.2 Register description for P7
P7 (P7 Data Register): C0H
Initial value: 00H
P7IO (P7 Direction Register): C9H
Initial value: 00H
P7PU (P7 Pull-up Resistor Selection Register): A7H
Initial value: 00H
Configure Pull-up Resistor of P7 Port
P7OD (P7 Open-drain Selection Register): 4017H (XSFR)
Initial value: 00H
Configure Open-drain of P7 Port