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SC620 Datasheet(PDF) 10 Page - Semtech Corporation

Part # SC620
Description  Octal LED Driver, General Purpose Current Sink with Serial Interface
PDF  16 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC620 Datasheet(HTML) 10 Page - Semtech Corporation

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Slave Address
Register Address
Data
S
W A
AA P
S: Start Condition
Slave Address: 7 bit
W: Write = ‘0’
Register Address: 8 bit
A: Acknowledge (sent by slave)
Data: 8 bit
P: Stop condition
I2C Direct Format - Write
Slave Address
Register Address
Slave Address
Data
NACK
S
W A
A Sr
R A
P
S: Start Condition
Slave Address: 7 bit
W: Write = ‘0’
Register Address: 8 bit
R: Read = ‘1’
Data: 8 bit
A: Acknowledge (sent by slave)
NACK: Non-Acknowledge (sent by master)
Sr: Repeated Start Condition
P: Stop condition
I2C Combined Format - Read
Using the I2C Serial Port (Cont.)
Slave Address
Register Address
Slave Address B
Data
NACK
S
W A
A
S/Sr
R A
P
P
Slave Address A
S
S: Start Condition
Slave Address: 7 bit
W: Write = ‘0’
Register Address: 8 bit
R: Read = ‘1’
Data: 8 bit
A: Acknowledge (sent by slave)
NACK: Non-Acknowledge (sent by master)
Sr: Repeated Start Condition
P: Stop condition
I2C Stop Separated Format - Read
Register Address Setup Access
Master Addresses
other Slaves
Register Read Access
10
© 2006 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
SC620



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