LP3936 Datasheet, PDF (10/20 Pages) National Semiconductor (TI) – Lighting Management System for Six White LEDs and One RGB or FLASH LED

I²C Compatible Interface (Continued)
I²C Chip Address
I²C Write Cycle
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w = write (SDA = “0”)
r = read (SDA = “1”)
ack = acknowledge (SDA pulled down by either master or slave)
rs = repeated start
id = chip address, 36h for LP3936
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When a READ function is to be accomplished, a WRITE function must precede the READ function, as shown in the Read Cycle
waveform.
I²C Read Cycle
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I²C Timing Diagram
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