FN8221.3 March 8, 2006 SCL SDA Data Stable Data Change Data Stable FIGURE 14. VALID DATA CHANGES ON THE SDA BUS X98027 Serial Bus Address Write" />
參數(shù)資料
型號(hào): X98027L128-3.3-Z
廠商: Intersil
文件頁(yè)數(shù): 20/29頁(yè)
文件大小: 0K
描述: IC TRPL VID DIGITIZER 128MQFP
標(biāo)準(zhǔn)包裝: 660
類型: 視頻數(shù)字轉(zhuǎn)換器
應(yīng)用: 監(jiān)控器,電視
安裝類型: *
封裝/外殼: *
供應(yīng)商設(shè)備封裝: *
包裝: *
27
FN8221.3
March 8, 2006
SCL
SDA
Data Stable
Data Change
Data Stable
FIGURE 14. VALID DATA CHANGES ON THE SDA BUS
X98027 Serial Bus Address Write
This is the 7 bit address of the X98027 on the 2 wire bus. The
address is 0x4C if pin 48 is low, 0x4D if pin 48 is high. Shift this
value to left when adding the R/W bit
D7
D6
D5
D2
D4
D3
D1
D0
A0
A7
A2
A4
A3
A1
X98027 Register Data Write(s)
This is the data to be written to the X98027’s configuration register.
Note: The X98027’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.
A6
A5
1
00
0
1
A
(pin 48)
0
1
R/W
X98027 Register Address Write
This is the address of the X98027’s configuration register that
the following byte will be written to.
X98027 Serial Bus Address
START Command
STOP Command
(Repeat if desired)
Signals the beginning of serial I/O
Signals the ending of serial I/O
S
T
A
R
T
S
T
O
P
Data
Write*
Register
Address
Serial Bus
Address
A
C
K
aaaaaaaa
A
C
K
dddddddd
A
C
K
100110 A 0
* The data write step may be repeated to write to the X98027’s
Configuration Register sequentially, beginning at the Register
Address written in the previous step.
SDA Bus
Signals from
the X98027
Signals from
the Host
FIGURE 15. CONFIGURATION REGISTER WRITE
X98027
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