LP3958 Datasheet, PDF (20/28 Pages) National Semiconductor (TI) – Lighting Management Unit with High Voltage Boost Converter

I²C Compatible Interface (Continued)
w = write (SDA = “0”)
r = read (SDA = “1”)
ack = acknowledge (SDA pulled down by either master or slave)
rs = repeated start
id = 7-bit chip address, 59H (101 1001b) for LP3958.
I²C Write Cycle
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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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