PIC18CXX2_13 Datasheet, PDF (16/304 Pages) Microchip Technology – High Performance Microcontrollers with 10-bit A/D

PIC18CXX2
TABLE 1-3: PIC18C4X2 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
Pin Buffer
DIP PLCC TQFP ^{Type Type}
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.
RD0/PSP0
RD1/PSP1
RD2/PSP2
19 21 38 I/O ST
TTL
20 22 39 I/O ST
TTL
21 23 40 I/O ST
TTL
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
RD3/PSP3
RD4/PSP4
RD5/PSP5
22 24 41 I/O ST
TTL
27 30
2 I/O ST
TTL
28 31
3 I/O ST
TTL
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
RD6/PSP6
29 32
4 I/O ST
TTL
Digital I/O.
Parallel Slave Port Data.
RD7/PSP7
30 33
5 I/O ST
TTL
Digital I/O.
Parallel Slave Port Data.
PORTE is a bi-directional I/O port.
RE0/RD/AN5
RE0
RD
AN5
8
9
25 I/O
ST
Digital I/O.
TTL
Read control for parallel slave port (see also WR
and CS pins).
Analog Analog input 5.
RE1/WR/AN6
RE1
WR
AN6
9 10 26 I/O
ST
Digital I/O.
TTL
Write control for parallel slave port (see CS
and RD pins).
Analog Analog input 6.
RE2/CS/AN7
RE2
CS
AN7
10 11
27 I/O
ST
TTL
Analog
Digital I/O.
Chip Select control for parallel slave port (see related
RD and WR).
Analog input 7.
VSS
12, 31 13, 34 6, 29 P
— Ground reference for logic and I/O pins.
VDD
11, 32 12, 35 7, 28 P
— Positive supply for logic and I/O pins.
Legend:
TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
O = Output
OD = Open Drain (no P diode to VDD)
CMOS = CMOS compatible input or output
I = Input
P = Power
DS39026D-page 16
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