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ST72C171K2M Datasheet(PDF) 7 Page - STMicroelectronics |
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ST72C171K2M Datasheet(HTML) 7 Page - STMicroelectronics |
7 / 152 page ST72C171 7/152 Notes: 1. In the interrupt input column, “eix” defines the associated external interrupt vector. If the weak pull-up column (wpu) is associated with the interrupt column (int), then the I/O configuration is pull-up interrupt input, else the configuration is floating interrupt input. 2. OSC1 and OSC2 pins connect a crystal or ceramic resonator, an external RC, or an external source to the on-chip oscillator see dedicated See “PIN DESCRIPTION” on page 5. for more details. 20 21 PA2/AIN2/ICAP1 I/O C X ei0 X X X Port A2 ADC input 2 or Timer16 input capture 1 21 22 PA3/AIN3/OCMP2 I/O C X ei0 X X X Port A3 ADC input 3 or Timer16 output compare 2 22 23 PA4 /AIN4/OCMP1 I/O C X ei0 X X X Port A4 ADC input 4 or Timer16 output compare 1 23 24 PA5/AIN5 I/O C X ei0 X X X Port A5 ADC input 5 24 25 PA6/AIN6/ARTICP0 I/O C X ei0 X X X Port A6 ADC input 6 or ART input cap- ture 25 26 PA7/AIN7/PWM1 I/O C X ei0 X X X Port A7 ADC input 7 or ART PWM1 output 26 27 PC5 / PWM0 I/O C X X X X Port C5 ART PWM0 output - 28 OA3OUT O A OA3 output 27 29 VSSA Analog ground 28 30 VDDA Analog supply 29 31 PC4/MCO/OA3NIN I/O C X X X X Port C4 Main Clock Out or OA3 invert- ing input 30 32 OA1OUT O A OA1 output 31 33 PC3/OA1NIN I/O C/A C X X X X Port C3 OA1 inverting input 32 34 PC2/OA1PIN/ PWM0R I/O C/A C/CR X X X X Port C2 OA1 non-inverting input and/ or ART PWM0 resistive output Pin n° Pin Name Level Port Main function (after reset) Alternate function Input Output |
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