ISL29004 Ver la hoja de datos (PDF) - Intersil

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ISL29004

Light-to-Digital Output Sensor with Address Selection, High Sensitivity, Gain Selection, Interrupt Function and I2C Interface

Intersil 

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

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