ISL29004 Datasheet, PDF (5/17 Pages) Intersil Corporation – Light-to-Digital Output Sensor with Address Selection, High Sensitivity, Gain Selection, Interrupt Function and I2C Interface

ISL29004
I²C DATA
Start
DEVICE ADDRESS
W A REGISTER ADDRESS
A
STOP
START
DEVICE ADDRESS
A
DATA BYTE0
A STOP
I²C 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
SDA DRIVEN BY ISL29003
NAK
I²C 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
I²C CLK
123456789123456789
123456789123456789
FIGURE 1. I²C READ TIMING DIAGRAM SAMPLE
I²C DATA
I²C SDA In
Start
DEVICE ADDRESS
W A REGISTER ADDRESS
A
FUNCTIONS
A STOP
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
I²C SDA Out
SDA DRIVEN BY MASTER
A
SDA DRIVEN BY MASTER
A
SDA DRIVEN BY MASTER
A
I²C CLK In
123456789123456789123456789
FIGURE 2. I²C WRITE TIMING DIAGRAM SAMPLE
I²C DATA
I²C SDA In
Start
DEVICE ADDRESS
W A REGISTER ADDRESS
A Stop
A6 A5 A4 A3 A2 A1 A0 W A R7 R6 R5 R4 R3 R2 R1 R0 A
I²C SDA Out
SDA DRIVEN BY MASTER
A
SDA DRIVEN BY MASTER
A
I²C CLK In
123456789123456789
FIGURE 3. I²C sync_iic TIMING DIAGRAM SAMPLE
5
FN6221.0
December 21, 2006