Datasheet

© 2007 Microchip Technology Inc. DS41202F-page 3
PIC16F684
16-Pin Diagram (QFN)
TABLE 2: QFN PIN SUMMARY
I/O Pin Analog Comparators Timers CCP Interrupts Pull-ups Basic
RA0 12 AN0 C1IN+ — — IOC Y ICSPDAT/ULPWU
RA1 11 AN1/V
REF C1IN- — — IOC Y ICSPCLK
RA2 10 AN2 C1OUT T0CKI — INT/IOC Y —
RA3
(1)
3— — — — IOCY
(2)
MCLR/VPP
RA4 2 AN3 — T1G — IOC Y OSC2/CLKOUT
RA5 1 — — T1CKI — IOC Y OSC1/CLKIN
RC0 9 AN4 C2IN+ — — — — —
RC1 8 AN5 C2IN- — — — — —
RC2 7 AN6 — — P1D — — —
RC3 6 AN7 — — P1C — — —
RC4 5 — C2OUT — P1B — — —
RC5 4 — — — CCP1/P1A — — —
— 16 — — — — — — VDD
—13 — — — — — — VSS
Note 1: Input only.
2: Only when pin is configured for external MCLR.
1
2
3
4
9
10
11
12
5 6 7 8
16 15 14 13
PIC16F684
RA5/T1CKI/OSC1/CLKIN
RA4/AN3/T1G
/OSC2/CLKOUT
RA3/MCLR
/VPP
RC5/CCP1/P1A
VDD NC NC V
SS
RA0/AN0/C1IN+/ICSPDAT/ULPWU
RA1/AN1/C1IN-/V
REF/ICSPCLK
RA2/AN2/T0CKI/INT/C1OUT
RC0/AN4/C2IN+
RC4/C2OUT/P1B
RC3/AN7/P1C RC2/AN6/P1D
RC1/AN5/C2IN-