SC623A View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
SC623A
Semtech Corporation
'SC623A' PDF : 21 Pages View PDF
SC623A
Serial Interface (continued)
I2C Direct Format Write
S Slave Address W A Register Address A
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
Data
I2C Stop Separated Format Read
Register Address Setup Access
Master Addresses
other Slaves
S Slave Address W A Register Address A P S Slave Address B
AP
Register Read Access
S/Sr Slave Address R A Data
NACK 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
I2C Combined Format Read
Slave Address – 7-bit
Register address – 8-bit
Data – 8-bit
S Slave Address W A Register Address A Sr Slave Address R A
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
Data
NACK P
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