PIC16F818_13 Datasheet, PDF (2/178 Pages) Microchip Technology – 18/20-Pin Enhanced Flash Microcontrollers with nanoWatt Technology

PIC16F818/819
Pin Diagrams
18-Pin PDIP, SOIC
RA2/AN2/VREF-
1
RA3/AN3/VREF+
2
RA4/AN4/T0CKI
3
RA5/MCLR/VPP
4
VSS
5
RB0/INT
6
RB1/SDI/SDA
7
RB2/SDO/CCP1
8
RB3/CCP1/PGM
9
18
RA1/AN1
17
RA0/AN0
16
RA7/OSC1/CLKI
15
RA6/OSC2/CLKO
14
VDD
13
RB7/T1OSI/PGD
12
RB6/T1OSO/T1CKI/PGC
11
RB5/SS
10
RB4/SCK/SCL
20-Pin SSOP
RA2/AN2/VREF-
1
20
RA3/AN3/VREF+
2
19
RA4/AN4/T0CKI
3
18
RA5/MCLR/VPP
4
17
VSS
5
16
VSS
6
15
RB0/INT
7
14
RB1/SDI/SDA
8
13
RB2/SDO/CCP1
9
12
RB3/CCP1/PGM
10
11
RA1/AN1
RA0/AN0
RA7/OSC1/CLKI
RA6/OSC2/CLKO
VDD
VDD
RB7/T1OSI/PGD
RB6/T1OSO/T1CKI/PGC
RB5/SS
RB4/SCK/SCL
28-Pin QFN⁽¹⁾
RA5/MCLR/VPP
NC
VSS
NC
VSS
NC
RB0/INT
1
21
2
20
3
19
4 PIC16F818/819 18
5
17
6
16
7
15
RA7/OSC1/CLKI
RA6/OSC2/CLKO
VDD
NC
VDD
RB7/T1OSI/PGD
RB6/T1OSO/T1CKI/PGC
Note 1: For the QFN package, it is recommended that the bottom pad be connected to VSS.
DS39598F-page 2
 2001-2013 Microchip Technology Inc.