Name
Pin #
Type
Section
Pin Group
Orientation
Order
Vpp/~{MCLR}/RE3
1
Input
Input
Right
RA0/AN0
2
Bi-Directional
I/O
Left
RA1/AN1
3
Bi-Directional
I/O
Left
RA2/AN2/Vref-/CVref
4
Bi-Directional
I/O
Left
RA3/AN3/Vref+
5
Bi-Directional
I/O
Left
RA4/T0CKI/C1OUT/RCV
6
Bi-Directional
I/O
Left
RA5/AN4/~{SS}/HLVDIN/C2OUT
7
Bi-Directional
I/O
Left
VSS
8
Power In
Power
Bottom
OSC1/CLKI
9
Input
Clock
Left
RA6/OSC2/CLKO
10
Output
Output
Left
T1OSO/T13CKI/RC0
11
Bi-Directional
I/O
Right
~{UOE}/CCP2/T1OSI/RC1
12
Bi-Directional
I/O
Right
CCP1/RC2
13
Bi-Directional
I/O
Right
VUSB
14
Bi-Directional
I/O
Right
VM/D-/RC4
15
Bi-Directional
I/O
Right
VP/D+/RC5
16
Bi-Directional
I/O
Right
TX/CK/RC6
17
Bi-Directional
Communication
Right
SDO/RX/DT/RC7
18
Bi-Directional
I/O
Right
VSS
19
Power In
Power
Bottom
VDD
20
Power In
Power
Top
RB0/AN12/INT0/FLT0/SDI/SDA
21
Bi-Directional
I/O
Left
RB1/AN10/INT1/SCK/SCL
22
Bi-Directional
I/O
Left
RB2/AN8/INT2/VMO
23
Bi-Directional
I/O
Left
PIC18F2550-ISP
