PIC18F452-IPT Datasheet, PDF (14/332 Pages) Microchip Technology – High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D

PIC18FXX2
TABLE 1-2: PIC18F2X2 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number _{Pin Buffer}
DIP SOIC ^{Type Type}
Description
PORTC is a bi-directional I/O port.
RC0/T1OSO/T1CKI 11 11
RC0
I/O
ST
T1OSO
O
—
T1CKI
I
ST
Digital I/O.
Timer1 oscillator output.
Timer1/Timer3 external clock input.
RC1/T1OSI/CCP2 12 12
RC1
I/O
ST
T1OSI
I CMOS
CCP2
I/O
ST
Digital I/O.
Timer1 oscillator input.
Capture2 input, Compare2 output, PWM2 output.
RC2/CCP1
RC2
CCP1
13 13
I/O
ST
I/O
ST
Digital I/O.
Capture1 input/Compare1 output/PWM1 output.
RC3/SCK/SCL
RC3
SCK
SCL
14 14
I/O
ST
I/O
ST
I/O
ST
Digital I/O.
Synchronous serial clock input/output for SPI mode.
Synchronous serial clock input/output for I²C mode
RC4/SDI/SDA
RC4
SDI
SDA
15 15
I/O
ST
I
ST
I/O
ST
Digital I/O.
SPI Data In.
I²C Data I/O.
RC5/SDO
RC5
SDO
16 16
I/O
ST
O
—
Digital I/O.
SPI Data Out.
RC6/TX/CK
RC6
TX
CK
17 17
I/O
ST
O
—
I/O
ST
Digital I/O.
USART Asynchronous Transmit.
USART Synchronous Clock (see related RX/DT).
RC7/RX/DT
RC7
RX
DT
18 18
I/O
ST
I
ST
I/O
ST
Digital I/O.
USART Asynchronous Receive.
USART Synchronous Data (see related TX/CK).
VSS
8, 19 8, 19 P
— Ground reference for logic and I/O pins.
VDD
20 20 P
— Positive supply for logic and I/O pins.
Legend: TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
O = Output
OD = Open Drain (no P diode to VDD)
CMOS = CMOS compatible input or output
I = Input
P = Power
DS39564C-page 12
© 2006 Microchip Technology Inc.