PIC18F2331-E/ML MICROCHIP [Microchip Technology], PIC18F2331-E/ML Datasheet - Page 20

• Manufacturer Part Number: PIC18F2331-E/ML
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18F2331/2431/4331/4431
TABLE 1-3:
DS39616D-page 20
RA0/AN0
RA1/AN1
RA2/AN2/V
INDX
RA3/AN3/V
CAP2/QEA
RA4/AN4/CAP3/QEB
RA5/AN5/LVDIN
Legend: TTL = TTL compatible input
Note 1:
RA0
AN0
RA1
AN1
RA2
AN2
V
CAP1
INDX
RA3
AN3
V
CAP2
QEA
RA4
AN4
CAP3
QEB
RA5
AN5
LVDIN
REF
REF
Pin Name
2:
3:
-
+
ST
O
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.
RD4 is the alternate pin for FLTA.
RD5 is the alternate pin for PWM4.
REF
REF
-/CAP1/
+/
= Schmitt Trigger input with CMOS levels
= Output
PIC18F4331/4431 PINOUT I/O DESCRIPTIONS (CONTINUED)
PDIP TQFP QFN
2
3
4
5
6
7
Pin Number
19
20
21
22
23
24
19
20
21
22
23
24
Type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Buffer
Type
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
ST
ST
ST
ST
PORTA is a bidirectional I/O port.
Digital I/O.
Analog Input 0.
Digital I/O.
Analog Input 1.
Digital I/O.
Analog Input 2.
A/D reference voltage (low) input.
Input Capture Pin 1.
Quadrature Encoder Interface index input pin.
Digital I/O.
Analog Input 3.
A/D reference voltage (high) input.
Input Capture Pin 2.
Quadrature Encoder Interface Channel A input pin.
Digital I/O.
Analog Input 4.
Input Capture Pin 3.
Quadrature Encoder Interface Channel B input pin.
Digital I/O.
Analog Input 5.
Low-Voltage Detect input.
CMOS = CMOS compatible input or output
I
P
= Input
= Power
Description
 2010 Microchip Technology Inc.