PIC16F639 Microchip Technology Inc., PIC16F639 Datasheet - Page 7

• Manufacturer Part Number: PIC16F639
• Description: 8/14-pin Flash-based, 8-bit Cmos Microcontrollers With Nanowatt Technology
• Manufacturer: Microchip Technology Inc.

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