PIC18F2420/2520/4420/4520
Pin Diagrams (Cont.’d)
44-pin TQFP
NC
33
32
31
30
29
28
27
26
25
24
23
RC7/RX/DT
1
2
3
4
5
6
7
8
9
RC0/T1OSO/T13CKI
OSC2/CLKO/RA6
OSC1/CLKI/RA7
VSS
RD4/PSP4
RD5/PSP5/P1B
RD6/PSP6/P1C
RD7/PSP7/P1D
VSS
PIC18F4420
PIC18F4520
VDD
RE2/CS/AN7
RE1/WR/AN6
RE0/RD/AN5
RA5/AN4/SS/HLVDIN/C2OUT
RA4/T0CKI/C1OUT
VDD
RB0/INT0/FLT0/AN12
RB1/INT1/AN10
RB2/INT2/AN8
RB3/AN9/CCP2(1)
10
11
44-pin QFN
RC7/RX/DT
RD4/PSP4
RD5/PSP5/P1B
RD6/PSP6/P1C
RD7/PSP7/P1D
VSS
OSC2/CLKO/RA6
OSC1/CLKI/RA7
VSS
VSS
VDD
VDD
RE2/CS/AN7
RE1/WR/AN6
RE0/RD/AN5
RA5/AN4/SS/HLVDIN/C2OUT
RA4/T0CKI/C1OUT
33
1
2
3
4
5
6
7
8
9
32
31
30
29
28
27
26
PIC18F4420
PIC18F4520
VDD
VDD
RB0/INT0/FLT0/AN12
RB1/INT1/AN10
RB2/INT2/AN8
25
24
23
10
11
Note 1: RB3 is the alternate pin for CCP2 multiplexing.
© 2008 Microchip Technology Inc.
DS39631E-page 3