PIC18F2X1X Datasheet, PDF (5/380 Pages) Microchip Technology – 28/40/44-PIN FLASH MICROCONTROLLERS WITH 10-BIT A/D AND NANO WATT TECHNOLOGY

Pin Diagrams
28-pin SPDIP, SOIC
MCLR/VPP/RE3
1
RA0/AN0
2
RA1/AN1
3
RA2/AN2/VREF-/CVREF
4
RA3/AN3/VREF+
5
RA4/T0CKI/C1OUT
6
RA5/AN4/SS/HLVDIN/C2OUT
7
VSS
8
OSC1/CLKI/RA7
9
OSC2/CLKO/RA6
10
RC0/T1OSO/T13CKI
11
RC1/T1OSI/CCP2⁽¹⁾
12
RC2/CCP1
13
RC3/SCK/SCL
14
28-pin QFN
PIC18F2X1X/4X1X
28
RB7/KBI3/PGD
27
RB6//KBI2/PGC
26
RB5/KBI1/PGM
25
RB4/KBI0/AN11
24
RB3/AN9/CCP2⁽¹⁾
23
RB2/INT2/AN8
22
RB1/INT1/AN10
21
RB0/INT0/FLT0/AN12
20
VDD
19
VSS
18
RC7/RX/DT
17
RC6/TX/CK
16
RC5/SDO
15
RC4/SDI/SDA
RA2/AN2/VREF-/CVREF
RA3/AN3/VREF+
RA4/T0CKI/C1OUT
RA5/AN4/SS/HLVDIN/C2OUT
VSS
OSC1/CLKI/RA7
OSC2/CLKO/RA6
28 27 26 25 24 23 22
1
21
2
20
3 _PIC18F2410 19
4 _PIC18F2510 18
5
17
6
16
7
15
8 9 10 11 12 13 14
RB3/AN9/CCP2⁽¹⁾
RB2/INT2/AN8
RB1/INT1/AN10
RB0/INT0/FLT0/AN12
VDD
VSS
RC7/RX/DT
40-pin PDIP
MCLR/VPP/RE3
1
40
RA0/AN0
2
39
RA1/AN1
3
38
RA2/AN2/VREF-/CVREF
4
37
RA3/AN3/VREF+
5
36
RA4/T0CKI/C1OUT
6
35
RA5/AN4/SS/HLVDIN/C2OUT
7
34
RE0/RD/AN5
8
33
RE1/WR/AN6
9
32
RE2/CS/AN7
10
31
VDD
11
30
VSS
12
29
OSC1/CLKI/RA7
13
28
OSC2/CLKO/RA6
14
27
RC0/T1OSO/T13CKI
15
26
RC1/T1OSI/CCP2⁽¹⁾
16
25
RC2/CCP1/P1A
17
24
RC3/SCK/SCL
18
23
RD0/PSP0
19
22
RD1/PSP1
20
21
Note 1: RB3 is the alternate pin for CCP2 multiplexing.
 2004 Microchip Technology Inc.
Preliminary
RB7/KBI3/PGD
RB6/KBI2/PGC
RB5/KBI1/PGM
RB4/KBI0/AN11
RB3/AN9/CCP2⁽¹⁾
RB2/INT2/AN8
RB1/INT1/AN10
RB0/INT0/FLT0/AN12
VDD
VSS
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
DS39636A-page 3