
PIC18F2XK20/4XK20
DS41303G-page 6
2010 Microchip Technology Inc.
Pin Diagrams (Cont.’d)
Note
1:
RB3 is the alternate pin for CCP2 multiplexing.
10
11
2
3
4
5
6
1
18
19
20
21
22
12
13
14
15
38
8
7
44
43
42
41
40
39
16
17
29
30
31
32
33
23
24
25
26
27
28
36
34
35
9
37
R
A
3/A
N
3/
V
RE
F
+/
C
1
IN
+
R
A
2/A
N
2/V
RE
F
-/C
V
RE
F
/C
2
IN+
R
A
1/A
N
1/
C
12I
N
1
-
R
A
0/A
N
0/
C
12I
N
0
-
MC
L
R
/V
PP
/RE
3
RB3
/AN9
/C1
2
IN2
-/
CCP2
(1
)
RB
7
/K
B
I3
/P
GD
RB
6
/K
B
I2
/P
GC
RB5
/KBI
1
/PG
M
RB
4/
K
B
I0
/A
N1
1
NC
RC6
/T
X/CK
RC5
/S
DO
RC4
/S
DI
/SDA
RD3
/P
SP3
RD2
/P
SP2
RD1
/P
SP1
RD0
/P
SP0
RC3
/S
CK/SCL
RC2
/CCP
1
/P1
A
RC1
/T
1
O
SI/CCP2
(1
)
RC0/T
1O
S
O/T
13CK
I
OSC2/CLKOUT/RA6
OSC1/CLKIN/RA7
VSS
VDD
RE2/CS/AN7
RE1/WR/AN6
RE0/RD/AN5
RA5/AN4/SS/HLVDIN/C2OUT
RA4/T0CKI/C1OUT
RC7/RX/DT
RD4/PSP4
RD5/PSP5/P1B
RD6/PSP6/P1C
RD7/PSP7/P1D
VSS
VDD
RB0/INT0/FLT0/AN12
RB1/INT1/AN10/C12IN3-
RB2/INT2/AN8
44-pin QFN
10
11
2
3
4
5
6
1
18
19
20
21
22
12
13
14
15
38
8
7
44
43
42
41
40
39
16
17
29
30
31
32
33
23
24
25
26
27
28
36
34
35
9
37
RA3
/AN3
/V
RE
F
+/C1
IN
+
R
A
2/A
N
2/V
RE
F
-/
C
V
RE
F
/C2IN+
RA1
/AN1
/C1
2
IN1
-
RA0
/AN0
/C1
2
IN0
-
MC
L
R
/V
PP
/RE
3
NC
RB
7
/KBI
3
/PG
D
RB
6
/KBI
2
/PG
C
RB
5/
K
B
I1
/P
GM
RB4
/KBI
0
/AN1
1
NC
RC6
/T
X/C
K
RC5
/SDO
RC4
/SDI/SDA
RD3
/PSP
3
RD2
/PSP
2
RD1
/PSP
1
RD0
/PSP
0
RC3
/SCK/SCL
RC2
/CCP1
/P1
A
RC1/T
1OS
I/C
C
P
2
(1
)
NC
RC0/T1OSO/T13CKI
OSC2/CLKOUT/RA6
OSC1/CLKIN/RA7
VSS
VDD
RE2/CS/AN7
RE1/WR/AN6
RE0/RD/AN5
RA5/AN4/SS/HLVDIN/C2OUT
RA4/T0CKI/C1OUT
RC7/RX/DT
RD4/PSP4
RD5/PSP5/P1B
RD6/PSP6/P1C
RD7/PSP7/P1D
VSS
VDD
RB0/INT0/FLT0/AN12
RB1/INT1/AN10/C12IN3-
RB2/INT2/AN8
RB3/AN9/C12IN2-/CCP2(1)
44-pin TQFP
PIC18F43K20
PIC18F44K20
PIC18F45K20
PIC18F46K20
PIC18F43K20
PIC18F44K20
PIC18F45K20
PIC18F46K20