PIC18F2220_07 Datasheet, PDF (20/386 Pages) Microchip Technology – 28/40/44-Pin High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

PIC18F2220/2320/4220/4320
TABLE 1-3: PIC18F4220/4320 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
Pin Buffer
PDIP TQFP QFN ^{Type Type}
Description
PORTE is a bidirectional I/O port.
RE0/AN5/RD
RE0
AN5
RD
8 25 25
I/O ST
Digital I/O.
I Analog Analog input 5.
I TTL Read control for Parallel Slave Port
(see also WR and CS pins).
RE1/AN6/WR
RE1
AN6
WR
9 26 26
I/O ST
Digital I/O.
I Analog Analog input 6.
I TTL Write control for Parallel Slave Port
(see CS and RD pins).
RE2/AN7/CS
RE2
AN7
CS
10 27 27
I/O ST
Digital I/O.
I Analog Analog input 7.
I TTL Chip select control for Parallel Slave Port
(see related RD and WR).
RE3
1 18 18 — — See MCLR/VPP/RE3 pin.
VSS
12, 6, 29 6, 30, P — Ground reference for logic and I/O pins.
31
31
VDD
11, 32 7, 28 7, 8, P — Positive supply for logic and I/O pins.
28, 29
NC
— — 13 NC NC No connect.
Legend:
TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
O = Output
OD = Open-drain (no diode to VDD)
CMOS = CMOS compatible input or output
I
= Input
P = Power
Note 1: Default assignment for CCP2 when CCP2MX (CONFIG3H<0>) is set.
2: Alternate assignment for CCP2 when CCP2MX is cleared.
DS39599F-page 18
© 2007 Microchip Technology Inc.