ISL51002 datasheet(30/32 Pages) INTERSIL

30 / 32 page

December 22, 2006

ISL51002 Serial Bus Address Write

This is the 7-bit address of the ISL51002 on the 2-wire bus. The

address is 0x98 if pin 67 is low, 0x9A if pin 67 is high. Shift this

value left to when adding the R/W bit.

ISL51002 Register Data Write(s)

This is the data to be written to the ISL51002’s configuration register.

Note: The ISL51002’s Configuration Register’s address pointer auto

increments after each data write: repeat this step to write multiple

sequential bytes of data to the Configuration Register.

(PIN 67)

R/W

ISL51002 Register Address Write

This is the address of the ISL51002’s configuration register that

the following byte will be written to.

ISL51002 SERIAL BUS ADDRESS

FIGURE 6. CONFIGURATION REGISTER WRITE

START COMMAND

STOP COMMAND

(REPEAT IF DESIRED)

Signals the beginning of serial I/O

Signals the ending of serial I/O

DATA

WRITE*

ADDRESS

SERIAL BUS

ADDRESS

aaaaaaaa

dddddddd

100110 A 0

* The data write step may be repeated to write to the

ISL51002’s Configuration Register sequentially, beginning at

the Register Address written in the previous step.

SDA BUS

SIGNALS

FROM THE

ISL51002

SIGNALS

FROM THE

HOST

ISL51002

ISL51002 Datasheet(PDF) 30 Page - Intersil Corporation