PIC16F819-I/SOTSL Microchip Technology, PIC16F819-I/SOTSL Datasheet - Page 655
![IC PIC MCU FLASH 2KX14 18SOIC](/photos/6/76/67656/150-18-soic_sml.jpg)
PIC16F819-I/SOTSL
Manufacturer Part Number
PIC16F819-I/SOTSL
Description
IC PIC MCU FLASH 2KX14 18SOIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F818-ISO.pdf
(176 pages)
4.PIC16F818-ISO.pdf
(6 pages)
5.PIC16F818-ISO.pdf
(8 pages)
6.PIC16F818-ISO.pdf
(8 pages)
Specifications of PIC16F819-I/SOTSL
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
18-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F818-ISO PDF datasheet #3
- PIC16F818-ISO PDF datasheet #4
- PIC16F818-ISO PDF datasheet #5
- PIC16F818-ISO PDF datasheet #6
- Current page: 655 of 688
- Download datasheet (3Mb)
A.1
1997 Microchip Technology Inc.
Initiating and Terminating Data Transfer
During times of no data transfer (idle time), both the clock line (SCL) and the data line (SDA) are
pulled high through the external pull-up resistors. The START and STOP conditions determine
the start and stop of data transmission. The START condition is defined as a high to low transition
of the SDA when the SCL is high. The STOP condition is defined as a low to high transition of
the SDA when the SCL is high.
generates these conditions for starting and terminating data transfer. Due to the definition of the
START and STOP conditions, when data is being transmitted, the SDA line can only change state
when the SCL line is low.
Figure A-1:
Table A-1:
Transmitter
Receiver
Master
Slave
Multi-master
Arbitration
Synchronization
Term
Start and Stop Conditions
I
2
C Bus Terminology
The device that sends the data to the bus.
The device that receives the data from the bus.
The device which initiates the transfer, generates the clock and terminates
the transfer.
The device addressed by a master.
More than one master device in a system. These masters can attempt to
control the bus at the same time without corrupting the message.
Procedure that ensures that only one of the master devices will control the
bus. This ensure that the transfer data does not get corrupted.
Procedure where the clock signals of two or more devices are synchro-
nized.
SDA
SCL
Condition
Start
S
Figure A-1
Change
Allowed
of Data
shows the START and STOP conditions. The master
Description
Change
Allowed
of Data
Condition
Appendix A
Stop
P
DS31034A-page 34-3
34
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