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ST7P19BF1B3 Folha de dados(PDF) 7 Page - STMicroelectronics |
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ST7P19BF1B3 Folha de dados(HTML) 7 Page - STMicroelectronics |
7 / 159 page ST7LITE1xB 7/159 PIN DESCRIPTION (Cont’d) Legend / Abbreviations for Table 1: Type: I = input, O = output, S = supply In/Output level: CT= CMOS 0.3VDD/0.7VDD with input trigger Output level: HS = 20mA high sink (on N-buffer only) Port and control configuration: – Input: float = floating, wpu = weak pull-up, int = interrupt, ana = analog – Output: OD = open drain, PP = push-pull The RESET configuration of each pin is shown in bold which is valid as long as the device is in reset state. Table 1. Device Pin Description Pin No. Pin Name Level Port / Control Main Function (after reset) Alternate Function Input Output 1191 VSS 1) S Ground 2202 VDD 1) S Main power supply 3 1 3 RESET I/O CT X X Top priority non maskable interrupt (active low) 42 4 PB0/COMPIN+/ AIN0/SS I/O CT X ei3 XX X Port B0 ADC Analog Input 0 2) or SPI Slave Select (active low) or Analog Com- parator Input Caution: No negative current in- jection allowed on this pin. 5 3 5 PB1/AIN1/SCK I/O CT X XX X Port B1 ADC Analog Input 1 2) or SPI Serial Clock 6 4 6 PB2/AIN2/MISO I/O CT X XX X Port B2 ADC Analog Input 2 2) or SPI Mas- ter In/ Slave Out Data 7 5 7 PB3/AIN3/MOSI I/O CT X ei2 XX X Port B3 ADC Analog Input 3 2) or SPI Mas- ter Out / Slave In Data 86 8 PB4/AIN4/CLKIN/ COMPIN- I/O CT X XX X Port B4 ADC Analog Input 4 2) or External clock input or Analog Comparator External Reference Input 9 7 - PB5/AIN5 I/O CT X XX X Port B5 ADC Analog Input 5 2) 10 8 - PB6/AIN6 I/O CT X XX X Port B6 ADC Analog Input 6 2) 11 9 9 PA7/COMPOUT I/O CT HS X ei1 X X Port A7 Analog Comparator Output 1 |
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