PIC18F2331_10 Datasheet, PDF (4/392 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D

PIC18F2331/2431/4331/4431
Pin Diagrams
28-Pin SPDIP, SOIC
MCLR/VPP
RA0/AN0
RA1/AN1
RA2/AN2/VREF-/CAP1/INDX
RA3/AN3/VREF+/CAP2/QEA
RA4/AN4/CAP3/QEB
AVDD
AVSS
OSC1/CLKI/RA7
OSC2/CLKO/RA6
RC0/T1OSO/T1CKI
RC1/T1OSI/CCP2/FLTA
RC2/CCP1
RC3/T0CKI/T5CKI/INT0
1
28
2
27
3
26
4
25
5
24
6
23
7
22
8
21
9
20
10
19
11
18
12
17
13
16
14
15
RB7/KBI3/PGD
RB6/KBI2/PGC
RB5/KBI1/PWM4/PGM
RB4/KBI0/PWM5
RB3/PWM3
RB2/PWM2
RB1/PWM1
RB0/PWM0
VDD
VSS
RC7/RX/DT/SDO
RC6/TX/CK/SS
RC5/INT2/SCK/SCL
RC4/INT1/SDI/SDA
28-Pin QFN⁽¹⁾
RA2/AN2/VREF-/CAP1/INDX 1
RA3/AN3/VREF+/CAP2/QEA 2
RA4/AN4/CAP3/QEB 3
AVDD ₄
AVSS ₅
OSC1/CLKI/RA7 ₆
OSC2/CLKO/RA6 ₇
PIC18F2331
PIC18F2431
21 RB3/PWM3
20 RB2/PWM2
19 RB1/PWM1
18 RB0/PWM0
17 VDD
16 VSS
15 RC7/RX/DT/SDO
Note 1: For the QFN package, it is recommended that the bottom pad be connected to VSS.
DS39616D-page 4
 2010 Microchip Technology Inc.