Datasheet PIC16F631, PIC16F677, PIC16F685, PIC16F687, PIC16F689, PIC16F690 (Microchip) - 2

PIC16F631/677/685/687/689/690
Program
Memory Data Memory Flash
(words) SRAM EEPROM
(bytes) (bytes) Device I/O PIC16F631
PIC16F677
PIC16F685
PIC16F687
PIC16F689
PIC16F690 1024
2048
4096
2048
4096
4096 64
128
256
128
256
256 128
256
256
256
256
256 10-bit A/D
Comparators
(ch) 18
18
18
18
18
18 —
12
12
12
12
12 2
2
2
2
2
2 Timers
8/16-bit SSP ECCP+ EUSART 1/1
1/1
2/1
1/1
1/1
2/1 No
Yes
No
Yes
Yes
Yes No
No
Yes
No
No
Yes No
No
No
Yes
Yes
Yes PIC16F631 Pin Diagram VDD
RA5/T1CKI/OSC1/CLKIN
RA4/T1G/OSC2/CLKOUT
RA3/MCLR/VPP
RC5
RC4/C2OUT
RC3/C12IN3RC6
RC7
RB7 TABLE 1: 1
2
3
4
5
6
7
8
9
10 PIC16F631 20-pin PDIP, SOIC, SSOP
20
19
18
17
16
15
14
13
12
11 VSS
RA0/C1IN+/ICSPDAT/ULPWU
RA1/C12IN0-/ICSPCLK
RA2/T0CKI/INT/C1OUT
RC0/C2IN+
RC1/C12IN1RC2/C12IN2RB4
RB5
RB6 PIC16F631 PIN SUMMARY I/O Pin Analog Comparators Timers Interrupt Pull-up Basic RA0 19 AN0/ULPWU C1IN+ — IOC Y ICSPDAT RA1 18 AN1 C12IN0-— IOC Y ICSPCLK RA2 17 — C1OUT T0CKI IOC/INT Y —
MCLR/VPP RA3 4 — — — IOC Y(1) RA4 3 — — T1G IOC Y OSC2/CLKOUT RA5 2 — — T1CKI IOC Y OSC1/CLKIN RB4 13 — — — IOC Y — RB5 12 — — — IOC Y — RB6 11 — — — IOC Y — RB7 10 — — — IOC Y — RC0 16 AN4 C2IN+ — — — — RC1 15 AN5 C12IN1-— — — — RC2 14 AN6 C12IN2-— — — — RC3 7 AN7 C12IN3-— — — — RC4 6 — C2OUT — — — — RC5 5 — — — — — — RC6 8 — — — — — — RC7 9 — — — — — — — 1 — — — — — VDD — 20 — — — — — VSS Note 1: Pull-up enabled only with external MCLR configuration. DS40001262F-page 2  2005-2015 Microchip Technology Inc.