參數(shù)資料
型號(hào): HD49801FB
廠商: Electronic Theatre Controls, Inc.
元件分類: 數(shù)字信號(hào)處理
英文描述: Digital Signal Processing IC for CCD Cameras
中文描述: 數(shù)字信號(hào)處理集成電路CCD相機(jī)
文件頁數(shù): 18/43頁
文件大?。?/td> 185K
代理商: HD49801FB
State Data A8 (1 to 3):
Encoder (FADE)
This data determines the fade level for the luminance and chroma signals.
1: Y fade
D8 = 1: Through
When D8 = 0, the following weighting formula is used.
D7
×
2
–1
+ D6
×
2
–2
+ D5
×
2
–3
+ D4
×
2
–4
+ D3
×
2
–5
+ D2
×
2
–6
D1 is fixed at 0.
Note: However, since the encoder fade precision is inadequate, improved fading characteristics can be
obtained by using the iris function for Y fading.
2: C fade
D8
×
2
0
+ D7
×
2
–1
+ D6
×
2
–2
+ D5
×
2
–3
+ D4
×
2
–4
+ D3
×
2
–5
+ D2
×
2
–6
+ D1
×
2
–7
Range: 1 to 255/128
3: Y and C inversion
D1 = 0; D2 = 0: Normal
D1 = 1; D2 = 1: Inversion
18
HD49801FB
HD49801FB
D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15
Data
Address H
Address
1
1
1
1
0
0
0
0
D1 D2 D3 D4 D5 D6 D7 D8
Y fade
2
1
1
1
0
1
0
0
D2 D3 D4 D5 D6 D7 D8
C fade
3
1
1
1
0
0
1
0
D1 D2
Y inversion
D1
C inversion
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