參數資料
型號: AK8850
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: NTSC Digital Video Decoder
中文描述: NTSC制式數字視頻解碼器
文件頁數: 68/99頁
文件大?。?/td> 1757K
代理商: AK8850
ASAHI KASEI
[AK8850]
INPUT VIDEO STANDARD REGISTER ( R / W )[ SUB ADDRESS 0x00 ]
This register sets the input video signal Standard. Automatic setup recognition is not available.
Reserved Bits must be set to “ 0 “.
Sub Address 0x00
Default Value : 0x00
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
Reserved
NENT
B/W
SETUP
VS3
VS2
VS1
VS0
Default Value
0
Input Video Standard Register Definition
BIT
Register Name
Definition
bit 0
~
bit 3
Video Standard bit
R/W
VS3 VS0
AK8850 can deal with only component signal for
625- video ssytems.
VS0
~
VS3
Set the input video standard
0000 : NTSC/ 525Component
1111 : 625Component
Other settings are reserved.
bit 4
SETUP
Setup bit
R/W
0 : without Setup [Default]
1 : with Setup
bit 5
0 : Color video signal is input [Default]
B/W
Black & White bit
R/W
B/W video signal setting
1 : B/W video signal is input
bit 6
NENT
Component Video Sel bit
R/W
Set the Component Video Signal
0 : MII Level Component Video signal [Default]
1 : BETACAM Level component video signal
bit 7
Reserved
Reserved bit
R/W
Reserved bit
R/W
Setting Component input is done as follows.
1.
Component input is selected via the input signal select register.
2.
Selection of MII or Betacam is done by the Input Video Standard Register NENT-bit.
3.
Set either 525- or 625 line systems.
Rev.0
70
2003/01
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