PIC18F452-IPT Datasheet, PDF (18/332 Pages) Microchip Technology – High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D

PIC18FXX2
TABLE 1-3: PIC18F4X2 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
Pin Buffer
DIP PLCC TQFP ^{Type Type}
RD0/PSP0
RD1/PSP1
RD2/PSP2
RD3/PSP3
RD4/PSP4
RD5/PSP5
RD6/PSP6
RD7/PSP7
19 21 38 I/O
ST
TTL
20 22 39 I/O
ST
TTL
21 23 40 I/O
ST
TTL
22 24 41 I/O
ST
TTL
27 30
2 I/O
ST
TTL
28 31
3 I/O
ST
TTL
29 32
4 I/O
ST
TTL
30 33
5 I/O
ST
TTL
RE0/RD/AN5
RE0
RD
8
9 25 I/O
ST
TTL
AN5
RE1/WR/AN6
RE1
WR
Analog
9 10 26 I/O
ST
TTL
AN6
RE2/CS/AN7
RE2
CS
Analog
10 11 27 I/O
ST
TTL
AN7
Analog
VSS
12, 31 13, 34 6, 29 P
—
VDD
11, 32 12, 35 7, 28 P
—
Legend: TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
O = Output
OD = Open Drain (no P diode to VDD)
Description
PORTD is a bi-directional I/O port, or a Parallel Slave
Port (PSP) for interfacing to a microprocessor port.
These pins have TTL input buffers when PSP module
is enabled.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
PORTE is a bi-directional I/O port.
Digital I/O.
Read control for parallel slave port
(see also WR and CS pins).
Analog input 5.
Digital I/O.
Write control for parallel slave port
(see CS and RD pins).
Analog input 6.
Digital I/O.
Chip Select control for parallel slave port
(see related RD and WR).
Analog input 7.
Ground reference for logic and I/O pins.
Positive supply for logic and I/O pins.
CMOS = CMOS compatible input or output
I = Input
P = Power
DS39564C-page 16
© 2006 Microchip Technology Inc.