ISL54100A_14 Datasheet, PDF (19/21 Pages) Intersil Corporation – TMDS Regenerators with Multiplexers

ISL54100A, ISL54101A, ISL54102A
START Command
ISL5410xA Serial Bus
ADDR6 ADDR5 ADDR4 ADDR3 ADDR2 ADDR1 ADDR0
A7
A6
A5
A4
A3
A2
A1
D7
D6
D5
D4
D3
D2
D1
(Repeat if desired)
R/W
0
A0
D0
Signals the beginning of serial I/O
ISL5410xA Device Select Address Write
The first 7 bits of the first byte select the ISL5410xA on the 2-
wire bus at the address set by the ADDR[6:0} pins. The R/W bit
is a 0, indicating that the next transaction will be a write.
ISL5410xA Register Address Write
This is the address of the ISL5410xA’s configuration register
that the following byte will be written to.
ISL5410xA Register Data Write(s)
This is the data to be written to the ISL5410xA’s configuration
register.
Note: The ISL5410xA’s Configuration Register’s address pointer
auto increments after each data write: repeat this step to write
Signals from
the Host
SDA Bus
Signals from
the
STOP Command
Signals the ending of serial I/O
S
T _{Serial Bus}
A
R
Address
T
Register
Address
Data
Write*
S
T ^{* The data write step may be repeated to write to the}
O ISL5410xA’s Configuration Register sequentially, beginning at
P _{the Register Address written in the previous step.}
a a a a a a a 0 AAAAAAAA d d d d d d d d
A
A
A
C
C
C
K
K
K
FIGURE 17. CONFIGURATION REGISTER WRITE
19
FN6725.0
June 17, 2008