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ST72F262G2B6 数据表(PDF) 42 Page - STMicroelectronics |
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ST72F262G2B6 数据表(HTML) 42 Page - STMicroelectronics |
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42 / 172 page  ST72260Gx, ST72262Gx, ST72264Gx 42/172 I/O PORTS (Cont’d) 9.7 DEVICE-SPECIFIC I/O PORT CONFIGURATION The I/O port register configurations are summa- rised as follows. Interrupt Ports PA7, PA5, PA3:0, PB7:0, PC5:0 (with pull-up) True Open Drain Interrupt Ports PA6, PA4 (without pull-up) Table 9. Port Configuration 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 (high sink ports) 1 X Port Pin Name Input (DDR = 0) Output (DDR = 1) OR = 0 OR = 1 OR = 0 OR = 1 High-Sink Port A PA7 floating pull-up interrupt open drain push-pull Yes PA6 floating floating interrupt true open-drain PA5 floating pull-up interrupt open drain push-pull PA4 floating floating interrupt true open-drain PA3:0 floating pull-up interrupt open drain push-pull Port B PB7:0 floating pull-up interrupt open drain push-pull No Port C PC5:0 floating pull-up interrupt open drain push-pull |
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