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ST72361 データシート(PDF) 49 Page - STMicroelectronics |
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ST72361 データシート(HTML) 49 Page - STMicroelectronics |
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49 / 224 page ![]() ST72361 49/224 I/O PORTS (Cont’d) 9.6 I/O PORT REGISTER CONFIGURATIONS The I/O port register configurations are summa- rized as follows. 9.6.1 Standard Ports PB7:6, PC0, PC3, PC7:5, PD3:2, PD5, PE7:0, PF7:0 9.6.2 Interrupt Ports PA0,2,4,6; PB0,2,4; PC1; PD0,6 (with pull-up) PA1,3,5,7; PB1,3,5; PC2; PD1,4,7 (without pull-up) 9.6.3 Pull-up Input Port PC4 The PC4 port cannot operate as a general pur- pose output. If DDR = 1 it is still possible to read the port through the DR register. MODE DDR OR floating input 0 0 pull-up input 0 1 open drain output 1 0 push-pull output 1 1 MODE DDR OR floating input 0 0 pull-up interrupt input 0 1 open drain output 1 0 push-pull output 1 1 MODE DDR OR floating input 0 0 floating interrupt input 0 1 open drain output 1 0 push-pull output 1 1 MODE pull-up input |
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