PIC12F635/PIC16F636/639
16-Pin Diagram
QFN
V
DD
V
SS
13
12
NC
15
NC
14
16
RA5/T1CKI/OSC1/CLKIN
RA4/AN3/T1G/OSC2/CLKOUT
RA3/MCLR/V
PP
RC5
1
RA0/C1IN+/ICSPDAT/ULPWU
RA1/C1IN-/V
REF
/ICSPCLK
RA2/T0CKI/INT/C1OUT
RC0/C2IN+
2
PIC16F636
11
10
3
4
5
6
7
RC2
8
RC1/C2IN-
9
RC4/C2OUT
TABLE 3:
I/O
RA0
RA1
RA2
RA3
RA4
RA5
RC0
RC1
RC2
RC3
RC4
RC5
—
—
—
—
Note 1:
2:
Pin
12
11
10
3
2
1
9
8
7
6
5
4
16
13
14
15
16-PIN SUMMARY
Comparators
C1IN+
C1IN-
C1OUT
—
—
—
C2IN+
C2IN-
—
—
C2OUT
—
—
—
—
—
Timer
—
—
T0CKI
—
T1G
T1CKI
—
—
—
—
—
—
—
—
—
—
Interrupts
IOC
IOC
INT/IOC
IOC
IOC
IOC
—
—
—
—
—
—
—
—
—
—
Pull-ups
Y
Y
Y
Y
(2)
Y
Y
—
—
—
—
—
—
—
—
—
—
Basic
ICSPDAT/ULPWU
V
REF
/ICSPCLK
—
MCLR/V
PP
OSC2/CLKOUT
OSC1/CLKIN
—
—
—
—
—
—
V
DD
V
SS
NC
NC
Input only.
Only when pin is configured for external MCLR.
©
2007 Microchip Technology Inc.
RC3
DS41232D-page 5