PIC16F688
Pin Diagram (PDIP, SOIC, TSSOP)
14-pin PDIP, SOIC, TSSOP
VDD
RA5/T1CKI/OSC1/CLKIN
RA4/AN3/T1G/OSC2/CLKOUT
RA3/MCLR/VPP
VSS
1
2
3
4
5
6
7
14
13
12
11
10
9
RA0/AN0/C1IN+/ICSPDAT/ULPWU
RA1/AN1/C1IN-/VREF/ICSPCLK
RA2/AN2/T0CKI/INT/C1OUT
RC0/AN4/C2IN+
RC5/RX/DT
RC4/C2OUT/TX/CK
RC3/AN7
RC1/AN5/C2IN-
RC2/AN6
8
TABLE 1:
PIC16F688 14-PIN SUMMARY (PDIP, SOIC, TSSOP)
I/O
Pin
Analog
Comparators Timers
EUSART Interrupt
Pull-up
Basic
RA0
RA1
RA2
RA3
RA4
RA5
RC0
RC1
RC2
RC3
RC4
RC5
—
13
12
11
4
AN0/ULPWU
C1IN+
C1IN-
C1OUT
—
—
—
—
—
IOC
IOC
IOC/INT
IOC
IOC
IOC
—
Y
Y
ICSPDAT
AN1
AN2
—
VREF/ICSPCLK
T0CKI
—
—
Y
Y(1)
—
—
MCLR/VPP
3
AN3
—
—
T1G
T1CKI
—
—
Y
OSC2/CLKOUT
2
—
—
Y
OSC1/CLKIN
10
9
AN4
AN5
AN6
AN7
—
C2IN+
C2IN-
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
8
—
—
—
—
7
—
—
—
—
—
6
C2OUT
—
—
TX/CK
RX/DT
—
—
—
5
—
—
—
—
1
—
—
—
—
VDD
VSS
—
14
—
—
—
—
—
Note 1: Pull-up activated only with external MCLR configuration.
DS41203D-page 2
© 2007 Microchip Technology Inc.