VCNL4100 Datasheet, PDF (5/17 Pages) Vishay Siliconix – High Sensitivity Long Distance Proximity and Ambient Light Sensor with I2C Interface

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PARAMETER TIMING INFORMATION
I²C BUS
CLOCK
(SCLK)
VCNL4100
Vishay Semiconductors
I²C BUS
DATA
(SDAT)
Start by
Master
SA7
SA6
SA5
SA4
SA3
SA2
SA1
W
SA7
SA6
SA5
SA4
SA3
SA2
I²C Bus Slave Address Byte
ACK by
VCNL4100
Command Code
SA1
SA0
ACK by
VCNL4100
I²C BUS
CLOCK
(SCLK)
I²C BUS
DATA
(SDAT)
SA7
SA6
SA5
SA4
SA3
SA2
SA1
SA0
SA7
SA6
SA5
SA4
SA3
SA2
SA1
SA0
Data Byte Low
ACK by
VCNL4100
Data Byte High
Fig. 2 - I²C Bus Timing for Sending Word Command Format
ACK by Stop by
VCNL4100 Master
I²C BUS
CLOCK
(SCLK)
I²C BUS
DATA
(SDAT)
Start by
Master
SA7
SA6
SA5
SA4
SA3
SA2
SA1
W
SA7
SA6
SA5
SA4
SA3
SA2
I²C Bus Slave Address Byte
ACK by
VCNL4100
Command Code
SA1
SA0
ACK by
VCNL4100
I²C BUS
CLOCK
(SCLK)
I²C BUS
DATA
(SDAT)
SA7
SA6
SA5
SA4
SA3
SA2
SA1
Start by
Master
I²C Bus Slave Address Byte
R
SA7
SA6
SA5
SA4
SA3
SA2
ACK by
VCNL4100
Data Byte Low
SA1
SA0
ACK by
Master
I²C BUS
CLOCK
(SCLK)
I²C BUS
DATA
(SDAT)
SA7
SA6
SA5
SA4
SA3
SA2
SA1
SA0
Data Byte High
ACK by
Master
Stop by
Master
Fig. 3 - I²C Bus Timing for Receiving Word Command Format
Rev. 1.2, 30-Aug-16
5
Document Number: 84319
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