
2006 Microchip Technology Inc.
DS41159E-page 15
PIC18FXX8
PORTE is a bidirectional I/O port.
RE0/AN5/RD
RE0
AN5
RD
—8
25
9
I/O
I
ST
Analog
TTL
Digital I/O.
Analog input 5.
Read control for Parallel Slave
Port (see WR and CS pins).
RE1/AN6/WR/C1OUT
RE1
AN6
WR
C1OUT
—9
26
10
I/O
I
O
ST
Analog
TTL
Analog
Digital I/O.
Analog input 6.
Write control for Parallel Slave
Port (see CS and RD pins).
Comparator 1 output.
RE2/AN7/CS/C2OUT
RE2
AN7
CS
C2OUT
—10
27
11
I/O
I
O
ST
Analog
TTL
Analog
Digital I/O.
Analog input 7.
Chip select control for Parallel
Slave Port (see RD and WR
pins).
Comparator 2 output.
VSS
19, 8
12, 31
6, 29
13, 34
—
Ground reference for logic and
I/O pins.
VDD
20
11, 32
7, 28
12, 35
—
Positive supply for logic and I/O
pins.
TABLE 1-2:
PIC18FXX8 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
Pin
Type
Buffer
Type
Description
PIC18F248/258
PIC18F448/458
SPDIP, SOIC
PDIP
TQFP
PLCC
Legend: TTL = TTL compatible input
CMOS = CMOS compatible input or output
ST
= Schmitt Trigger input with CMOS levels
Analog = Analog input
I
= Input
O
= Output
P
= Power
OD
= Open-Drain (no P diode to VDD)