PIC18FXX8 Datasheet, PDF (17/402 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
RE0/AN5/RD
RE0
AN5
RD
PORTE is a bidirectional I/O port.
—
8
25
9
I/O
ST
Digital I/O.
I Analog
Analog input 5.
I
TTL
Read control for Parallel Slave
Port (see WR and CS pins).
RE1/AN6/WR/C1OUT
—
RE1
AN6
WR
C1OUT
9
26
10
I/O
ST
Digital I/O.
I Analog
Analog input 6.
I
TTL
Write control for Parallel Slave
Port (see CS and RD pins).
O Analog
Comparator 1 output.
RE2/AN7/CS/C2OUT
—
RE2
AN7
CS
10
27
11
C2OUT
VSS
19, 8
12, 31 6, 29 13, 34
VDD
20
11, 32 7, 28 12, 35
Legend:
TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
I = Input
P = Power
I/O
ST
I Analog
I
TTL
O Analog
Digital I/O.
Analog input 7.
Chip select control for Parallel
Slave Port (see RD and WR
pins).
Comparator 2 output.
—
— Ground reference for logic and
I/O pins.
—
— Positive supply for logic and I/O
pins.
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 15