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PIC16F818 Datasheet(PDF) 10 Page - Microchip Technology

Part # PIC16F818
Description  Enhanced Flash Microcontrollers with nanoWatt Technology
Download  176 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F818 Datasheet(HTML) 10 Page - Microchip Technology

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PIC16F818/819
DS39598E-page 8
 2004 Microchip Technology Inc.
PORTB is a bidirectional I/O port. PORTB can be
software programmed for internal weak pull-up on
all inputs.
RB0/INT
RB0
INT
67
7
I/O
I
TTL
ST(1)
Bidirectional I/O pin.
External interrupt pin.
RB1/SDI/SDA
RB1
SDI
SDA
78
8
I/O
I
I/O
TTL
ST
ST
Bidirectional I/O pin.
SPI™ data in.
I2C™ data.
RB2/SDO/CCP1
RB2
SDO
CCP1
89
9
I/O
O
I/O
TTL
ST
ST
Bidirectional I/O pin.
SPI data out.
Capture input, Compare output, PWM output.
RB3/CCP1/PGM
RB3
CCP1
PGM
910
10
I/O
I/O
I
TTL
ST
ST
Bidirectional I/O pin.
Capture input, Compare output, PWM output.
Low-Voltage ICSP™ Programming enable pin.
RB4/SCK/SCL
RB4
SCK
SCL
10
11
12
I/O
I/O
I
TTL
ST
ST
Bidirectional I/O pin. Interrupt-on-change pin.
Synchronous serial clock input/output for SPI.
Synchronous serial clock input for I2C.
RB5/SS
RB5
SS
11
12
13
I/O
I
TTL
TTL
Bidirectional I/O pin. Interrupt-on-change pin.
Slave select for SPI in Slave mode.
RB6/T1OSO/T1CKI/PGC
RB6
T1OSO
T1CKI
PGC
12
13
15
I/O
O
I
I
TTL
ST
ST
ST(2)
Interrupt-on-change pin.
Timer1 Oscillator output.
Timer1 clock input.
In-circuit debugger and ICSP programming
clock pin.
RB7/T1OSI/PGD
RB7
T1OSI
PGD
13
14
16
I/O
I
I
TTL
ST
ST(2)
Interrupt-on-change pin.
Timer1 oscillator input.
In-circuit debugger and ICSP programming
data pin.
VSS
5
5, 6
3, 5
P
–
Ground reference for logic and I/O pins.
VDD
14
15, 16 17, 19
P
–
Positive supply for logic and I/O pins.
TABLE 1-2:
PIC16F818/819 PINOUT DESCRIPTIONS (CONTINUED)
Pin Name
PDIP/
SOIC
Pin#
SSOP
Pin#
QFN
Pin#
I/O/P
Type
Buffer
Type
Description
Legend: I = Input
O
= Output
I/O = Input/Output
P = Power
– = Not used
TTL = TTL Input
ST = Schmitt Trigger Input
Note 1:
This buffer is a Schmitt Trigger input when configured as the external interrupt.
2:
This buffer is a Schmitt Trigger input when used in Serial Programming mode.
3:
This buffer is a Schmitt Trigger input when configured in RC Oscillator mode and a CMOS input otherwise.


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