PIC18F23K20_10 Datasheet, PDF (25/456 Pages) Microchip Technology – 28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology

PIC18F2XK20/4XK20
TABLE 1-3: PIC18F4XK20 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
Pin Buffer
PDIP QFN TQFP ^{Type Type}
Description
PORTE is a bidirectional I/O port
RE0/RD/AN5
RE0
RD
AN5
8 25 25
I/O ST
Digital I/O
I TTL Read control for Parallel Slave Port
(see related WR and CS pins)
I Analog Analog input 5, ADC channel 5
RE1/WR/AN6
RE1
WR
AN6
9 26 26
I/O ST
Digital I/O
I TTL Write control for Parallel Slave Port
(see related CS and RD pins)
I Analog Analog input 6, ADC channel 6
RE2/CS/AN7
RE2
CS
AN7
10 27 27
I/O ST
Digital I/O
I TTL Chip Select control for Parallel Slave Port
(see related RD and WR)
I Analog Analog input 7, ADC channel 7
RE3
— — — — — See MCLR/VPP/RE3 pin
VSS
12, 31 6, 30, 6, 29 P
— Ground reference for logic and I/O pins
31
VDD
11, 32 7, 8, 7, 28 P
— Positive supply for logic and I/O pins
28, 29
NC
— 13 12,13, — — No connect
33, 34
Legend: TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
O = Output
CMOS = CMOS compatible input or output
I
= Input
P
= Power
Note 1: Default assignment for CCP2 when Configuration bit CCP2MX is set.
2: Alternate assignment for CCP2 when Configuration bit CCP2MX is cleared.
 2010 Microchip Technology Inc.
DS41303G-page 25