PIC18F2331/2431/4331/4431
TABLE 1-3:
Pin Name
PIC18F4331/4431 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Number
Pin Buffer
Type Type
Description
PDIP TQFP QFN
PORTE is a bidirectional I/O port.
RE0/AN6
RE0
8
9
25
26
27
25
26
27
I/O
I
ST
Analog
Digital I/O.
Analog Input 6.
AN6
RE1/AN7
RE1
I/O
I
ST
Analog
Digital I/O.
Analog Input 7.
AN7
RE2/AN8
RE2
10
I/O
I
ST
Analog
Digital I/O.
Analog Input 8.
AN8
VSS
VDD
NC
12, 6, 29 6, 30,
31 31
11, 7, 28 7, 8,
P
—
Ground reference for logic and I/O pins.
P
—
Positive supply for logic and I/O pins.
32
28, 29
12,13, 13
33, 34
Legend: TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
= Output
—
NC
NC No connect.
CMOS = CMOS compatible input or output
I
= Input
O
P
= Power
Note 1: RC3 is the alternate pin for T0CKI/T5CKI; RC4 is the alternate pin for SDI/SDA; RC5 is the alternate pin
for SCK/SCL; RC7 is the alternate pin for SDO.
2: RD4 is the alternate pin for FLTA.
3: RD5 is the alternate pin for PWM4.
DS39616D-page 24
2010 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
