
PIC18F1220/1320
DS39605F-page 2
2007 Microchip Technology Inc.
Pin Diagrams
RB3/CCP1/P1A
RB2/P1B/INT2
OSC1/CLKI/RA7
OSC2/CLKO/RA6
VDD/AVDD
RB7/PGD/T1OSI/
RB6/PGC/T1OSO/
RB5/PGM/KBI1
RB4/AN6/RX/
RA0/AN0
RA1/AN1/LVDIN
RA4/T0CKI
MCLR/VPP/RA5
VSS/AVSS
RA2/AN2/VREF-
RA3/AN3/VREF+
RB0/AN4/INT0
RB1/AN5/TX/
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
P
IC
1
8F
1
X
20
18-Pin PDIP, SOIC
RB3/CCP1/P1A
RB2/P1B/INT2
OSC1/CLKI/RA7
OSC2/CLKO/RA6
VDD
RB7/PGD/T1OSI/
RB6/PGC/T1OSO/
RB5/PGM/KBI1
RB4/AN6/RX/
RA0/AN0
RA1/AN1/LVDIN
RA4/T0CKI
MCLR/VPP/RA5
VSS
RA2/AN2/VREF-
RA3/AN3/VREF+
RB0/AN4/INT0
RB1/AN5/TX/
1
2
3
4
5
7
8
9
10
20
19
18
17
16
14
13
12
11
P
IC1
8F
1
X
20
AVDD
AVSS
615
20-Pin SSOP
28-Pin QFN
16
2
RA0
/A
N
0
NC
RA4
/T
0
CK
I
MCLR/VPP/RA5
NC
AVSS
NC
RA2/AN2/VREF-
RA3
/AN3
/V
RE
F
+
R
A
1/
A
N
1
/LV
D
IN
OSC1/CLKI/RA7
OSC2/CLKO/RA6
VDD
NC
AVDD
RB7/PGD/T1OSI/P1D/KBI3
RB6/PGC/T1OSO/T13CKI/P1C/KBI2
NC
RB5
/PG
M
/KB
I1
7
PIC18F1X20
1
3
6
5
4
15
21
19
20
17
18
22
28
26
27
23
24
25
14
8
10
9
13
12
11
VSS
NC
RB
2/
P
1
B
/INT
2
R
B
0/A
N
4/
IN
T0
RB1
/AN5
/T
X
/C
K
/INT
1
NC
R
B
4/A
N
6/
R
X
/D
T/
K
B
I0
RB
3
/CCP1
/P1
A
T13CKI/P1C/KBI2
P1D/KBI3
CK/INT1
DT/KBI0
P1D/KBI3
T13CKI/P1C/KBI2
CK/INT1
DT/KBI0