LP3943 Datasheet, PDF (9/21 Pages) National Semiconductor (TI) – RGB/White/Blue 16-LED Fun Light Driver

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LP3943
SNVS256A – MAY 2004 – REVISED MAY 2004
ack from slave
ack from slave
ack from slave
start msb Chip Address lsb w ack msb Register Add lsb ack msb DATA lsb ack stop
SCL
SDA
star
t
id = h'xx
w ack
addr = h'02
ack
address h'02
data
ac
k
stop
w = write (SDA = “0”)
r = read (SDA = “1”)
ack = acknowledge (SDA pulled LOW by either master or slave)
rs = repeated start
xx = 60 to 67
Figure 6. LP3943 Register Write
However, if a READ function is to be accomplished, a WRITE function must precede the READ function, as
shown in Figure 7.
Copyright © 2004, Texas Instruments Incorporated
Product Folder Links: LP3943
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