PIC16F688

Manufacturer Part NumberPIC16F688
ManufacturerMicrochip Technology Inc.
PIC16F688 datasheet
 


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PIC16F688
TABLE 1-1:
PIC16F688 PINOUT DESCRIPTION
Name
Function
RA0/AN0/C1IN+/ICSPDAT/ULPWU
RA0
AN0
C1IN+
ICSPDAT
ULPWU
RA1/AN1/C1IN-/V
/ICSPCLK
RA1
REF
AN1
C1IN-
V
ICSPCLK
RA2/AN2/T0CKI/INT/C1OUT
RA2
AN2
T0CKI
INT
C1OUT
RA3/MCLR/V
RA3
PP
MCLR
V
RA4/AN3/T1G/OSC2/CLKOUT
RA4
AN3
T1G
OSC2
CLKOUT
RA5/T1CKI/OSC1/CLKIN
RA5
T1CKI
OSC1
CLKIN
RC0/AN4/C2IN+
RC0
AN4
C2IN+
RC1/AN5/C2IN-
RC1
AN5
C2IN-
RC2/AN6
RC2
AN6
RC3/AN7
RC3
AN7
RC4/C2OUT/TX/CK
RC4
C2OUT
CK
RC5/RX/DT
RC5
RX
DT
V
V
SS
V
V
DD
Legend:
AN
= Analog input or output
TTL = TTL compatible input
HV
= High Voltage
DS41203D-page 6
Input
Output
Type
Type
TTL
CMOS
PORTA I/O w/prog pull-up and interrupt-on-change
AN
A/D Channel 0 input
AN
Comparator 1 input
TTL
CMOS
Serial Programming Data I/O
AN
Ultra Low-Power Wake-up input
TTL
CMOS
PORTA I/O w/prog pull-up and interrupt-on-change
AN
A/D Channel 1 input
AN
Comparator 1 input
AN
External Voltage Reference for A/D
REF
ST
Serial Programming Clock
ST
CMOS
PORTA I/O w/prog pull-up and interrupt-on-change
AN
A/D Channel 2 input
ST
Timer0 clock input
ST
External Interrupt
CMOS
Comparator 1 output
TTL
PORTA input with interrupt-on-change
ST
Master Clear w/internal pull-up
HV
Programming voltage
PP
TTL
CMOS
PORTA I/O w/prog pull-up and interrupt-on-change
AN
A/D Channel 3 input
ST
Timer1 gate
XTAL
Crystal/Resonator
CMOS
F
/4 output
OSC
TTL
CMOS
PORTA I/O w/prog pull-up and interrupt-on-change
ST
Timer1 clock
XTAL
Crystal/Resonator
ST
External clock input/RC oscillator connection
TTL
CMOS
PORTC I/O
AN
A/D Channel 4 input
AN
Comparator 2 input
TTL
CMOS
PORTC I/O
AN
A/D Channel 5 input
AN
Comparator 2 input
TTL
CMOS
PORTC I/O
AN
A/D Channel 6 input
TTL
CMOS
PORTC I/O
AN
A/D Channel 7 input
TTL
CMOS
PORTC I/O
CMOS
Comparator 2 output
TX
CMOS
USART asynchronous output
ST
CMOS
USART asynchronous clock
TTL
CMOS
Port C I/O
ST
CMOS
USART asynchronous input
ST
CMOS
USART asynchronous data
Power
Ground reference
SS
Power
Positive supply
DD
CMOS = CMOS compatible input or output
ST
= Schmitt Trigger input with CMOS levels
XTAL
= Crystal
Description
OC = Open collector output
© 2007 Microchip Technology Inc.