參數(shù)資料
型號: HD49801FB
廠商: Electronic Theatre Controls, Inc.
元件分類: 數(shù)字信號處理
英文描述: Digital Signal Processing IC for CCD Cameras
中文描述: 數(shù)字信號處理集成電路CCD相機(jī)
文件頁數(shù): 19/43頁
文件大?。?/td> 185K
代理商: HD49801FB
State Data A9:
1 to 4 (MOD)
Determines the luminance signal black level and the chroma signal burst level. These four data items
determine the (R-Y) burst level for PAL format TV signals.
State data A9 (1 to 4): Encoder (MOD) control characteristics
1: Setup
(D7
×
2
6
+ D6
×
2
5
+ D5
×
2
4
+ D4
×
2
3
+ D3
×
2
2
+ D2
×
2
1
+ D1)
×
2/256
2: Pedestal
D7
×
2
6
+ D6
×
2
5
+ D5
×
2
4
+ D4
×
2
3
+ D3
×
2
2
+ D2
×
2
1
+ D1/256
Note: However, when the A9 to A2 D8 bit (delay) is set to 1, the Y data is delayed by one fs clock
cycle.
3: Burst level (B-Y)
D7
×
2
6
+ D6
×
2
5
+ D5
×
2
4
+ D4
×
2
3
+ D3
×
2
2
+ D2
×
2
1
+ D1/256
4: Burst level (R-Y)
Used in PAL mode
In NTSC mode, used for phase adjustment
2.
0
BLK level
A
B
Rating
192
Pedestal
Display period
Output D range
(B/A) 100%
The D range can be set by changing
the pedestal and BLK levels.
19
HD49801FB
HD49801FB
D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14
Data
Address H
Address
1
0
0
0
1
0
0
D1 D2 D3 D4 D5 D6 D7 D8
BLK level
2
0
0
0
1
1
0
D1 D2 D3 D4 D5 D6 D7 D1
Pedestal
3
0
0
0
1
0
1
D1 D2 D3 D4 D5 D6 D7
Burst level (B-Y)
4
0
0
0
1
1
1
D1 D2 D3 D4 D5 D6 D7
Burst level (R-Y)
*
Note: Set D1 according to the delay sensor clock as follows.
14.3 MHz:
9.5 MHz:
D1 = 0
D1 = 1
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