PIC18FXX8 Datasheet, PDF (15/402 Pages) Microchip Technology – 28/40-Pin High-Performance, Enhanced Flash Microcontrollers with CAN Module

PIC18FXX8
TABLE 1-2: PIC18FXX8 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
PIC18F248/258 PIC18F448/458
SPDIP, SOIC PDIP TQFP PLCC
Pin
Type
Buffer
Type
Description
RC0/T1OSO/T1CKI
11
RC0
T1OSO
T1CKI
PORTC is a bidirectional I/O port.
15
32
16
I/O
ST
O
—
I
ST
Digital I/O.
Timer1 oscillator output.
Timer1/Timer3 external clock
input.
RC1/T1OSI
RC1
T1OSI
12
16
35
18
I/O
ST
Digital I/O.
I CMOS
Timer1 oscillator input.
RC2/CCP1
RC2
CCP1
RC3/SCK/SCL
RC3
SCK
SCL
RC4/SDI/SDA
RC4
SDI
SDA
13
17
36
19
I/O
ST
Digital I/O.
I/O
ST
Capture 1 input/Compare 1
output/PWM1 output.
14
18
37
20
I/O
ST
Digital I/O.
I/O
ST
Synchronous serial clock
input/output for SPI™ mode.
I/O
ST
Synchronous serial clock
input/output for I²C™ mode.
15
23
42
25
I/O
ST
Digital I/O.
I
ST
I/O
ST
SPI data in.
I²C data I/O.
RC5/SDO
RC5
SDO
16
24
43
26
I/O
ST
Digital I/O.
O
—
SPI data out.
RC6/TX/CK
RC6
TX
CK
17
25
44
27
RC7/RX/DT
RC7
RX
DT
18
26
1
29
Legend:
TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
I = Input
P = Power
I/O
ST
O
—
I/O
ST
Digital I/O.
USART asynchronous
transmit.
USART synchronous clock
(see RX/DT).
I/O
ST
I
ST
I/O
ST
Digital I/O.
USART asynchronous receive.
USART synchronous data
(see TX/CK).
CMOS = CMOS compatible input or output
Analog = Analog input
O
= Output
OD = Open-Drain (no P diode to VDD)
 2004 Microchip Technology Inc.
DS41159D-page 13