ISL51002_07 Datasheet, PDF (30/32 Pages) Intersil Corporation – 10-Bit Video Analog Front End (AFE) with Measurement and Auto-Adjust Features

ISL51002
START COMMAND
Signals the beginning of serial I/O
ISL51002 SERIAL BUS ADDRESS
R/W _{ISL51002 Serial Bus Address Write}
This is the 7-bit address of the ISL51002 on the 2-wire bus. The
1
0
0
1
1
0
A
(PIN 67)
0
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.
A7
A6
D7
D6
SIGNALS
FROM THE
HOST
SDA BUS
SIGNALS
FROM THE
ISL51002
ISL51002 Register Address Write
A5
A4
A3
A2
A1
A0 _{This is the address of the ISL51002’s configuration register that}
the following byte will be written to.
ISL51002 Register Data Write(s)
D5
D4
D3
D2
D1
D0 _{This is the data to be written to the ISL51002’s configuration register.}
(REPEAT IF DESIRED)
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.
STOP COMMAND
Signals the ending of serial I/O
S
T
A ^{SERIAL BUS}
R ADDRESS
T
REGISTER
ADDRESS
DATA
WRITE*
S
T * The data write step may be repeated to write to the
O _{ISL51002’s Configuration Register sequentially, beginning at}
P _{the Register Address written in the previous step.}
100110A0 aaaaaaaa dddddddd
A
A
A
C
C
C
K
K
K
FIGURE 6. CONFIGURATION REGISTER WRITE
30
FN6164.2
September 19, 2007