PIC18F2420 MICROCHIP [Microchip Technology], PIC18F2420 Datasheet - Page 5

• Manufacturer Part Number: PIC18F2420
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

Pin Diagrams
 2004 Microchip Technology Inc.
Note 1:
28-pin QFN
40-pin PDIP
28-pin PDIP, SOIC
RB3 is the alternate pin for CCP2 multiplexing.
RA5/AN4/SS/HLVDIN/C2OUT
RA5/AN4/SS/HLVDIN/C2OUT
RA5/AN4/SS/HLVDIN/C2OUT
RA2/AN2/V
RA2/AN2/V
RA2/AN2/V
RC0/T1OSO/T13CKI
RC0/T1OSO/T13CKI
RC1/T1OSI/CCP2
RC1/T1OSI/CCP2
RA4/T0CKI/C1OUT
RA4/T0CKI/C1OUT
RA4/T0CKI/C1OUT
OSC2/CLKO/RA6
OSC2/CLKO/RA6
OSC2/CLKO/RA6
OSC1/CLKI/RA7
RA3/AN3/V
OSC1/CLKI/RA7
MCLR/V
RC2/CCP1/P1A
OSC1/CLKI/RA7
RA3/AN3/V
RA3/AN3/V
MCLR/V
RC3/SCK/SCL
RC3/SCK/SCL
RE1/WR/AN6
RE0/RD/AN5
RE2/CS/AN7
REF
REF
RD0/PSP0
RD1/PSP1
REF
RC2/CCP1
RA0/AN0
RA1/AN1
RA0/AN0
RA1/AN1
-/CV
-/CV
PP
-/CV
PP
/RE3
REF
/RE3
REF
V
REF
V
REF
V
V
REF
REF
DD
SS
(1)
SS
(1)
SS
+
+
+
PIC18F2420/2520/4420/4520
4
1
2
3
5
6
7
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
Preliminary
28
8
PIC18F2420
PIC18F2520
27
9
10 11
26
25
12 13 14
24
23
22
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
28
27
26
25
24
23
22
21
20
19
18
17
16
15
21
20
19
18
17
16
15
RB3/AN9/CCP2
RB2/INT2/AN8
RB1/INT1/AN10
RB0/INT0/FLT0/AN12
V
V
RC7/RX/DT
RB7/KBI3/PGD
RB6/KBI2/PGC
RB5/KBI1/PGM
RB4/KBI0/AN11
RB3/AN9/CCP2
RB2/INT2/AN8
RB1/INT1/AN10
RB0/INT0/FLT0/AN12
V
V
RD7/PSP7/P1D
RD6/PSP6/P1C
RD5/PSP5/P1B
RD4/PSP4
RC7/RX/DT
RC6/TX/CK
RC5/SDO
RC4/SDI/SDA
RD3/PSP3
RD2/PSP2
RB7/KBI3/PGD
RB6//KBI2/PGC
RB5/KBI1/PGM
RB4/KBI0/AN11
RB3/AN9/CCP2
RB2/INT2/AN8
RB1/INT1/AN10
RB0/INT0/FLT0/AN12
V
V
RC7/RX/DT
RC6/TX/CK
RC5/SDO
RC4/SDI/SDA
DD
SS
DD
SS
DD
SS
(1)
(1)
(1)
DS39631A-page 3