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