AD5382
SCL
SDA
1
0
1
0
1
AD1
AD0
R/W
0
0
0
A4
A3
A2
A1
A0
START COND
BY MASTER
ACK BY
AD538x
MSB
ACK BY
AD538x
ADDRESS BYTE
POINTER BYTE
SCL
SDA
REG1 REG0
MSB
LSB
MSB
LSB
ACK BY
AD538x
ACK BY
AD538x
STOP
COND
BY
MOST SIGNIFICANT BYTE
LEAST SIGNIFICANT BYTE
MASTER
Figure 31. 4-Byte AD5382, I2C Write Operation
SCL
SDA
1
0
1
0
1
AD1
AD0
R/W
0
0
0
A4
A3
A2
A1
A0
START COND
BY MASTER
ACK BY
AD538x
MSB
ACK BY
AD538x
ADDRESS BYTE
POINTER BYTE FOR CHANNEL "N"
SCL
SDA
REG1 REG0
MSB
LSB
MSB
LSB
ACK BY
AD538x
ACK BY
AD538x
MOST SIGNIFICANT DATA BYTE
LEAST SIGNIFICANT DATA BYTE
DATA FOR CHANNEL "N"
SCL
SDA
0
0
0
A4
A3
A2
A1
A0
MSB
ACK BY
AD538x
POINTER BYTE FOR CHANNEL "NEXT CHANNEL"
SCL
SDA
REG1 REG0
MSB
LSB
MSB
LSB
ACK BY
AD538x
ACK BY STOP COND
AD538x BY MASTER
MOST SIGNIFICANT DATA BYTE
LEAST SIGNIFICANT DATA BYTE
DATA FOR CHANNEL "NEXT CHANNEL"
Figure 32. 3-Byte AD5382, I2C Write Operation
Rev. 0 | Page 29 of 40
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