參數(shù)資料
型號(hào): ISL51002-EVALZ
廠商: Intersil
文件頁數(shù): 26/33頁
文件大小: 0K
描述: EVAL BOARD FOR ISL51002
標(biāo)準(zhǔn)包裝: 1
系列: *
32
FN6164.3
February 29, 2012
FIGURE 7. CONFIGURATION REGISTER READ
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. R/W = 0,
indicating next transaction will be a write.
A0
A7
A2
A4
A3
A1
A6
A5
1
00
0
1
A
(PIN 67)
0
1
R/W
ISL51002 Register Address Write
This sets the initial address of the ISL51002’s configuration
register for subsequent reading.
ISL51002 SERIAL BUS ADDRESS
START COMMAND
Signals the beginning of serial I/O
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. R/W = 1,
indicating next transaction(s) will be a read.
D7
D6
D5
D2
D4
D3
D1
D0
ISL51002 Register Data Read(s)
This is the data read from the ISL51002’s configuration register.
Note: The ISL51002’s Configuration Register’s address pointer
auto increments after each data read: repeat this step to read
multiple sequential bytes of data from the Configuration Register.
1
00
0
1
A
(PIN 67)
1
R/W
ISL51002 SERIAL BUS
START COMMAND
STOP COMMAND
(REPEAT IF DESIRED)
Ends the previous transaction and starts a new one
Signals the ending of serial I/O
S
T
A
R
T
S
T
O
P
DATA
READ*
SDA BUS
SIGNALS
FROM THE
ISL51002
SIGNALS
FROM THE
HOST
REGISTER
ADDRESS
SERIAL BUS
ADDRESS
A
C
K
aaaaaaaa
A
C
K
dddddddd
A
C
K
100110 A 0
* The data read step may be repeated to read
from the ISL51002’s Configuration Register
sequentially, beginning at the Register
Address written in the two steps previous.
R
E
S
T
A
R
T
SERIAL BUS
ADDRESS
A
C
K
100110 A 1
Revision History
The revision history provided is for informational purposes only and is believed to be accurate, but not warranted. Please go to web
to make sure you have the latest revision.
DATE
REVISION
CHANGE
November 17, 2011
FN6164.3
Added “Revision History” table.
Changed description of ISL51002's input multiplexer from 4 channels to 3 channels due to discovery of
significant signal leakage between channel 3 and channel 1 when channel 3 was selected. This is not a
silicon change - all ISL51002s have always had this issue; it was not discovered until recently.
ISL51002
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