参数资料
型号: X98021L128-3.3
厂商: INTERSIL CORP
元件分类: 消费家电
英文描述: 210MHz Triple Video Digitizer with Digital PLL
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP128
封装: 14 X 20 MM, MS-022, MQFP-128
文件页数: 27/29页
文件大小: 294K
代理商: X98021L128-3.3
27
FN8219.0
June 2, 2005
X98021 Serial Bus Address Write
This is the 7 bit address of the X98021 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
X98021 Register Data Write(s)
This is the data to be written to the X98021’s configuration register.
Note: The X98021’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
0
0
0
1
A
(pin 48)
0
1
R/W
X98021 Register Address Write
This is the address of the X98021’s configuration register that
the following byte will be written to.
X98021 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
100110A0
* The data write step may be repeated to write to the X98021’s
Configuration Register sequentially, beginning at the Register
Address written in the previous step.
SDA Bus
Signals from
the X98021
Signals from
the Host
FIGURE 15. CONFIGURATION REGISTER WRITE
X98021
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