ADP1043A Analog Devices, ADP1043A Datasheet - Page 30

• Manufacturer Part Number: ADP1043A
• Description: Digital Controller for Isolated Power Supply Applications
• Manufacturer: Analog Devices

ADP1043A
SDA
SCL
SDA
SCL
START BY
START BY
MASTER
MASTER
SD
SCL
A
START BY
MASTER
Figure 32. Writing a Register Address to the Address Pointer Register, and Then Writing Data to the Selected Register
A6
A6
1
1
A5
A5
A6
1
SERIAL BUS ADDRESS BYTE
SERIAL BUS ADDRESS BYTE
A5
A4
A4
SERIAL BUS ADDRESS BYTE
A3
A4
A3
FRAME 1
FRAME 1
A3
A2
A2
FRAME 1
Figure 34. Reading Data from a Previously Selected Register
SDA (CONTINUED)
SCL (CONTINUED)
Figure 33. Writing to the Address Pointer Register Only
A2
A1
A1
A1
A0
A0
A0
R/W
R/W
ADP1043A
ADP1043A
ACK. BY
ACK. BY
Rev. 0 | Page 30 of 72
R/W
ADP1043A
9
ACK. BY
9
D7
1
9
D7
D7
1
1
D7
D6
1
D6
D6
D6
D5
ADDRESS POINTER REGISTER BYTE
ADDRESS POINTER REGISTER BYTE
D5
D5
DATA BYTE FROM ADP1043A
D4
D5
DATA BYTE
D4
FRAME 3
D4
D4
D3
FRAME 2
FRAME 2
FRAME 2
D3
D3
D3
D2
D2
D2
D1
D2
D1
D1
D0
D1
ADP1043A
ACK. BY
D0
D0
NO ACK. BY
D0
ADP1043A
ADP1043A
9
ADP1043A
ACK. BY
ACK. BY
9
9
9
STOP BY
MASTER
STOP BY
STOP BY
MASTER
MASTER