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ST7263BEx 数据表(PDF) 47 Page - STMicroelectronics |
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ST7263BEx 数据表(HTML) 47 Page - STMicroelectronics |
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47 / 186 page  ST7263Bxx I/O ports Doc ID 7516 Rev 8 47/186 9.3.2 Port B Table 13. Port B description Port B I/O Alternate function Input(1) Output Signal Condition PB0 without pull-up push-pull Analog input (ADC) CH[3:0] = 000 (ADCCSR) PB1 without pull-up push-pull Analog input (ADC) CH[3:0] = 001 (ADCCSR) USBOE (USB output enable)(2) USBOE =1 (MISCR) PB2 without pull-up push-pull Analog input (ADC) CH[3:0]= 010 (ADCCSR) PB3 without pull-up push-pull Analog input (ADC) CH[3:0]= 011 (ADCCSR) PB4 without pull-up push-pull Analog input (ADC) CH[3:0]= 100 (ADCCSR) IT5 Schmitt triggered input IT5E = 1 (ITIFRE) PB5 without pull-up push-pull Analog input (ADC) CH[3:0]= 101 (ADCCSR) IT6 Schmitt triggered input IT6E = 1 (ITIFRE) PB6 without pull-up push-pull Analog input (ADC) CH[3:0]= 110 (ADCCSR) IT7 Schmitt triggered input IT7E = 1 (ITIFRE) PB7 without pull-up push-pull Analog input (ADC) CH[3:0]= 111 (ADCCSR) IT8 Schmitt triggered input IT8E = 1 (ITIFRE) 1. Reset State 2. On SO24 only |
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