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ST72774 数据表(PDF) 33 Page - STMicroelectronics |
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ST72774 数据表(HTML) 33 Page - STMicroelectronics |
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33 / 144 page  ST72774/ST727754/ST72734 33/144 I/O PORTS (Cont’d) 4.1.5 Port C The available port pins of port C may be used as general purpose I/O. The alternate functions are the PWM outputs for PC2:7, HSYNCDIV (HSYNCO divided by 2) for PC0 and the TMU input for PC1. Table 10. Port C Description PORT C I / O Alternate Function Input* Output Signal Condition PC0 With pull-up Push-pull HSYNCDIV (push-pull) HSYNCDIVEN =1 (MISCR) PC1 With pull-up Push-pull AV (active video) input (TMU) - PC2 With pull-up Push-pull 10-bit output 3 (PWM) OE2=1 (PWMOE) PC3 With pull-up Push-pull 10-bit output 4 (PWM) OE3=1 (PWMOE) PC4 With pull-up Push-pull 10-bit output 5 (PWM) OE4=1 (PWMOE) PC5 With pull-up Push-pull 10-bit output 6 (PWM) OE5=1 (PWMOE) PC6 With pull-up Push-pull 10-bit output 7 (PWM) OE6=1 (PWMOE) PC7 With pull-up Push-pull 10-bit output 8 (PWM) OE7=1 (PWMOE) * Reset State |
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