Datasheet PIC16F631, PIC16F677, PIC16F685, PIC16F687, PIC16F689, PIC16F690 (Microchip) - 14

ManufacturerMicrochip
Description20-Pin Flash-Based, 8-Bit CMOS Microcontrollers
Pages / Page298 / 14 — PIC16F631/677/685/687/689/690. TABLE 1-1: PINOUT DESCRIPTION – PIC16F631 …
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PIC16F631/677/685/687/689/690. TABLE 1-1: PINOUT DESCRIPTION – PIC16F631 Name

PIC16F631/677/685/687/689/690 TABLE 1-1: PINOUT DESCRIPTION – PIC16F631 Name

Model Line for this Datasheet

PIC16F631
PIC16F677
PIC16F685
PIC16F687
PIC16F689
PIC16F690

Text Version of Document

PIC16F631/677/685/687/689/690
TABLE 1-1: PINOUT DESCRIPTION – PIC16F631 Name
RA0/C1IN+/ICSPDAT/ULPWU RA1/C12IN0-/ICSPCLK RA2/T0CKI/INT/C1OUT RA3/MCLR/VPP RA4/T1G/OSC2/CLKOUT RA5/T1CKI/OSC1/CLKIN Function Input
Type RA0 TTL C1IN+ AN ICSPDAT ST ULPWU AN RA1 TTL Output
Type Description CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
— Comparator C1 non-inverting input. CMOS ICSP™ Data I/O.
— Ultra Low-Power Wake-up input. CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up. C12IN0-AN — Comparator C1 or C2 inverting input. ICSPCLK ST — ICSP™ clock. RA2 ST T0CKI ST — Timer0 clock input. INT ST — External interrupt pin. C1OUT — RA3 TTL — General purpose input. Individually controlled interrupt-onchange. MCLR ST — Master Clear with internal pull-up. — Programming voltage. CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up. CMOS Comparator C1 output. VPP HV RA4 TTL T1G ST — Timer1 gate input. OSC2 — XTAL Crystal/Resonator. CLKOUT — RA5 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up. CMOS FOSC/4 output.
CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up. T1CKI ST — Timer1 clock input. OSC1 XTAL — Crystal/Resonator. — External clock input/RC oscillator connection. CLKIN ST RB4 RB4 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up. RB5 RB5 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up. RB6 RB6 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up. RB7 RB7 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
CMOS General purpose I/O. RC0/C2IN+
RC1/C12IN1RC2/C12IN2RC3/C12IN3RC4/C2OUT
RC5
Legend: RC0 ST C2IN+ AN RC1 ST C12IN1-AN RC2 ST C12IN2-AN RC3 ST C12IN3-AN RC4 ST Comparator C2 non-inverting input. — Comparator C1 or C2 inverting input. CMOS General purpose I/O.
— Comparator C1 or C2 inverting input. CMOS General purpose I/O.
— Comparator C1 or C2 inverting input. CMOS General purpose I/O. C2OUT — CMOS Comparator C2 output. RC5 ST CMOS General purpose I/O. AN = Analog input or output
TTL = TTL compatible input
HV = High Voltage DS40001262F-page 14 — CMOS General purpose I/O. CMOS=CMOS compatible input or output
ST=
Schmitt Trigger input with CMOS levels
XTAL= Crystal  2005-2015 Microchip Technology Inc.