ISL29020(2008) View Datasheet(PDF) - Intersil
Part Name
Description
Manufacturer
ISL29020
(Rev.:2008)
(Rev.:2008)
Intersil
ISL29020 Datasheet PDF : 11 Pages
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ISL29020
I2C DATA START
I2C SDA IN
I2C SDA OUT
I2C CLK
DEVICE ADDRESS W A REGISTER ADDRESS
STOP START DEVICE ADDRESS
A
DATA BYTE0
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 ISL29020
SDA DRIVEN BY MASTER A
SDA DRIVEN BY MASTER A
SDA DRIVEN BY MASTER A D7 D6 D5 D4 D3 D2 D1 D0
12 3456 789123456 789
123 45 67 891 23456789
FIGURE 1. I2C READ TIMING DIAGRAM SAMPLE
I2C DATA
I2C SDA IN
START
I2C SDA OUT
I2C CLK IN
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
SDA DRIVEN BY MASTER
A
SDA DRIVEN BY MASTER
A
SDA DRIVEN BY MASTER
A
1 234 5 67 8 9 1234 56 7 8 9 12 345 67 89
FIGURE 2. I2C WRITE TIMING DIAGRAM SAMPLE
I2C DATA
I2C SDA IN
START
I2C SDA OUT
I2C CLK IN
DEVICE ADDRESS
WA
REGISTER ADDRESS
A STOP
A 6 A5 A4 A3 A2 A1 A0 W A R7 R6 R5 R4 R3 R2 R1 R0 A
SDA DRIVEN BY MASTER
A
SDA DRIVEN BY MASTER
A
1 2 34 5 67 8 9 12 34 56 7 8 9
FIGURE 3. I2C SYNC_I2C TIMING DIAGRAM SAMPLE
4
FN6505.0
September 26, 2008
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