PIC18F258 Datasheet, PDF (17/384 Pages) Microchip Technology – High Performance, 28/40-Pin Enhanced FLASH Microcontrollers with CAN

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
RE0/AN5/RD
—
RE0
AN5
RD
RE1/AN6/WR/C1OUT
—
RE1
AN6
WR
C1OUT
8
25
9
I/O
I
I
9
26
10
I/O
I
I
O
Buffer
Type
Description
PORTE is a bi-directional I/O port.
ST
Analog
TTL
Digital I/O.
Analog input 5.
Read control for parallel slave
port (see WR and CS pins).
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
ST
Digital I/O.
I Analog
Analog input 7.
I
TTL
Chip select control for parallel
slave port (see RD and WR
pins).
O Analog
Comparator 2 output.
VSS
VDD
Legend:
19, 8
12, 31 6, 29 13, 34 —
— Ground reference for logic and
I/O pins.
20
11, 32 7, 28 12, 35 —
— Positive supply for logic and I/O
pins.
TTL =
ST =
I=
P=
TTL compatible input
Schmitt Trigger input with CMOS levels
Input
Power
CMOS =
Analog =
O
=
OD =
CMOS compatible input or output
Analog input
Output
Open Drain (no P diode to VDD)
 2002 Microchip Technology Inc.
Preliminary
DS41159B-page 15