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SC622AEVB 数据表(PDF) 21 Page - Semtech Corporation

部件名 SC622AEVB
功能描述  LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and I2C Interface
PDF  23 Pages
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制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

SC622AEVB 数据表(HTML) 21 Page - Semtech Corporation

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SC622A
21
Serial Interface (continued)
I2C Direct Format Write
Slave Address
Register Address
Data
SW A
A
A
P
S – Start Condition
W – Write = ‘0’
A – Acknowledge (sent by slave)
P – Stop condition
Slave Address – 7-bit
Register address – 8-bit
Data – 8-bit
I2C Stop Separated Format Read
Slave Address
Register Address
Slave Address B
Data
NACK
S
W A
A
S/Sr
R A
P
P
Slave Address
S
Register Address Setup Access
Master Addresses
other Slaves
Register Read Access
S – Start Condition
W – Write = ‘0’
R – Read = ‘1’
A – Acknowledge (sent by slave)
NAK – Non-Acknowledge (sent by master)
Sr – Repeated Start condition
P – Stop condition
Slave Address – 7-bit
Register address – 8-bit
Data – 8-bit
I2C Combined Format Read
Slave Address
Register Address
Slave Address
Data
NACK
S
WA
A Sr
R
A
P
S – Start Condition
W – Write = ‘0’
R – Read = ‘1’
A – Acknowledge (sent by slave)
NAK – Non-Acknowledge (sent by master)
Sr – Repeated Start condition
P – Stop condition
Slave Address – 7-bit
Register address – 8-bit
Data – 8-bit



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