PIC18FXX2
Pin Diagrams
RA3/AN3/V
REF
+
RA2/AN2/V
REF
-
RA1/AN1
RA0/AN0
MCLR/V
PP
NC
RB7/PGD
RB6/PGC
RB5/PGM
RB4
NC
6
5
4
3
2
1
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
PLCC
RA4/T0CKI
RA5/AN4/SS/LVDIN
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
V
DD
V
SS
OSC1/CLKI
OSC2/CLKO/RA6
RC0/T1OSO/T1CKI
NC
7
8
9
10
11
12
13
14
15
16
17
PIC18F442
PIC18F452
RB3/CCP2
*
RB2/INT2
RB1/INT1
RB0/INT0
V
DD
V
SS
RD7/PSP7
RD6/PSP6
RD5/PSP5
RD4/PSP4
RC7/RX/DT
TQFP
44
43
42
41
40
39
38
37
36
35
34
RC7/RX/DT
RD4/PSP4
RD5/PSP5
RD6/PSP6
RD7/PSP7
V
SS
V
DD
RB0/INT0
RB1/INT1
RB2/INT2
RB3/CCP2
*
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
NC
RC0/T1OSO/T1CKI
OSC2/CLKO/RA6
OSC1/CLKI
V
SS
V
DD
RE2/AN7/CS
RE1/AN6/WR
RE0/AN5/RD
RA5/AN4/SS/LVDIN
RA4/T0CKI
*
RB3 is the alternate pin for the CCP2 pin multiplexing.
RC6/TX/CK
RC5/SDO
RC4/SDI/SDA
RD3/PSP3
RD2/PSP2
RD1/PSP1
RD0/PSP0
RC3/SCK/SCL
RC2/CCP1
RC1/T1OSI/CCP2
*
NC
28
27
26
25
24
23
22
21
20
19
18
NC
RC6/TX/CK
RC5/SDO
RC4/SDI/SDA
RD3/PSP3
RD2/PSP2
RD1/PSP1
RD0/PSP0
RC3/SCK/SCL
RC2/CCP1
RC1/T1OSI/CCP2
*
PIC18F442
PIC18F452
22
21
20
19
18
17
16
15
14
13
12
RA3/AN3/V
REF
+
RA2/AN2/V
REF
-
RA1/AN1
RA0/AN0
MCLR/V
PP
RB7/PGD
RB6/PGC
RB5/PGM
RB4
NC
NC
DS39564B-page 2
2002 Microchip Technology Inc.