ISL76683
I 2 C DATA
Start
DEVICE ADDRESS
W
A
REGISTER ADDRESS
A
STOP
START
DEVICE ADDRESS
A
DATA BYTE0
A
STOP
I 2 C SDA
In
A6
A5
A4
A3
A2
A1
A0
W
A
R7
R6
R5
R4
R3
R2
R1
R0
A
A6
A5
A4
A3
A2
A1
A0
W
A
BY ISL76683
SDA DRIVEN ISL29003
NAK
I 2 C SDA
Out
SDA DRIVEN BY MASTER
A
SDA DRIVEN BY MASTER
A
SDA DRIVEN BY MASTER
A
D7
D6
D5
D4
D3
D2
D1
D0
A
I 2 C CLK
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
FIGURE 12. I 2 C READ TIMING DIAGRAM SAMPLE
I 2 C DATA
Start
DEVICE ADDRESS
W
A
REGISTER ADDRESS
A
FUNCTIONS
A
STOP
I 2 C SDA In
A6 A5 A4 A3 A2 A1 A0
W
A
R7 R6
R5 R4 R3
R2 R1 R0
A
B7
B6 B5 B4 B3 B2
B1 B0
A
I 2 C SDA Out
SDA DRIVEN BY MASTER
A
SDA DRIVEN BY MASTER
A
SDA DRIVEN BY MASTER
A
I 2 C CLK In
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
FIGURE 13. I 2 C WRITE TIMING DIAGRAM SAMPLE
I 2 C DA TA
Start
DEVICE ADDRESS
W
A
REGISTER ADDRESS
A Stop
I 2 C SDA In
A6
A5
A4
A3
A2
A1
A0
W
A
R7
R6
R5
R4
R3
R2
R1
R0
A
I 2 C SDA Out
SDA DRIV EN BY MA STER
A
SDA DRIV EN BY MA STER
A
I 2 C CLK In
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
FIGURE 14. I 2 C sync_iic TIMING DIAGRAM SAMPLE
7
FN7697.7
March 24, 2014
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