Datasheet

PIC18FXX2
DS39564C-page 12 © 2006 Microchip Technology Inc.
PORTC is a bi-directional I/O port.
RC0/T1OSO/T1CKI
RC0
T1OSO
T1CKI
11 11
I/O
O
I
ST
—
ST
Digital I/O.
Timer1 oscillator output.
Timer1/Timer3 external clock input.
RC1/T1OSI/CCP2
RC1
T1OSI
CCP2
12 12
I/O
I
I/O
ST
CMOS
ST
Digital I/O.
Timer1 oscillator input.
Capture2 input, Compare2 output, PWM2 output.
RC2/CCP1
RC2
CCP1
13 13
I/O
I/O
ST
ST
Digital I/O.
Capture1 input/Compare1 output/PWM1 output.
RC3/SCK/SCL
RC3
SCK
SCL
14 14
I/O
I/O
I/O
ST
ST
ST
Digital I/O.
Synchronous serial clock input/output for SPI mode.
Synchronous serial clock input/output for I
2
C mode
RC4/SDI/SDA
RC4
SDI
SDA
15 15
I/O
I
I/O
ST
ST
ST
Digital I/O.
SPI Data In.
I
2
C Data I/O.
RC5/SDO
RC5
SDO
16 16
I/O
O
ST
—
Digital I/O.
SPI Data Out.
RC6/TX/CK
RC6
TX
CK
17 17
I/O
O
I/O
ST
—
ST
Digital I/O.
USART Asynchronous Transmit.
USART Synchronous Clock (see related RX/DT).
RC7/RX/DT
RC7
RX
DT
18 18
I/O
I
I/O
ST
ST
ST
Digital I/O.
USART Asynchronous Receive.
USART Synchronous Data (see related TX/CK).
V
SS 8, 19 8, 19 P — Ground reference for logic and I/O pins.
V
DD 20 20 P — Positive supply for logic and I/O pins.
TABLE 1-2: PIC18F2X2 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
Pin
Type
Buffer
Type
Description
DIP SOIC
Legend: TTL = TTL compatible input CMOS = CMOS compatible input or output
ST = Schmitt Trigger input with CMOS levels I = Input
O = Output P = Power
OD = Open Drain (no P diode to V
DD)