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參數(shù)資料
| 型號(hào)： | AK4708EQ |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | AV SCART Switch with Two RGB Outputs |
| 中文描述： | 影音SCART開關(guān)與兩個(gè)RGB輸出 |
| 文件頁(yè)數(shù)： | 22/46頁(yè) |
| 文件大?。?/td> | 504K |
| 代理商： | AK4708EQ |
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[AK4708]
MS0618-E-00
2007/04
- 22 -
3.
Video Block
■
Video Switch Control
The AK4708 has switches for TV and VCR. Each switch can be controlled via registers independently. When AUTO bit
= “1” or STBY bit = “1”, these switches setting is ignored and set to fixed configuration (loop-through mode). Please refer
the auto startup mode and standby mode.
(04H: D2-D0)
Source of
TVVOUT pin
Shutdown
000
(Hi-Z)
Encoder
CVBS+RGB
or Encoder YPbPr
or Y)
ENCV pin
(Encoder Y)
ENCY pin
(Encoder Y)
VCRVIN pin
(VCR CVBS
or Y)
TVVIN pin
(TV CVBS)
(Reserved)
110
-
(Reserved)
111
-
Table 9. TV video output (Note 23)
(04H: D5-D3)
Source of
VCRVOUT pin
Shutdown
000
(Hi-Z)
ENCV pin
(Encoder CVBS
or Y)
ENCY pin
(Encoder CVBS
or Y)
TVVIN pin
(TV CVBS)
VCRVIN pin
(VCR CVBS)
ENCV pin
(Encoder CVBS
or Y)
(Reserved)
110
-
(Reserved)
111
-
Table 10. VCR video output (Refer Note 23)
Note 23. When input the video signal via ENCRC pin or VCRRC pin, set CLAMP1-0 bits respectively.
Mode
VTV2-0 bit
Source of
TVRC pin
(Hi-Z)
ENCRC pin
(Encoder Red,C
or Pb)
ENCRC pin
(Encoder C)
ENCC pin
(Encoder C)
VCRRC pin
(VCR Red,C
or Pb)
Source of
TVG pin
(Hi-Z)
ENCG pin
(Encoder Green
or Y)
Source of
TVB pin
(Hi-Z)
ENCB pin
(Encoder Blue
or Pr)
001
ENCV pin
(Encoder CVBS
Encoder Y/C 1
010
(Hi-Z)
(Hi-Z)
Encoder Y/C 2
011
(Hi-Z)
(Hi-Z)
VCR (default)
100
VCRG pin
(VCR Green
or Y)
VCRB pin
(VCR Blue
or Pr)
TV CVBS
101
(Hi-Z)
(Hi-Z)
(Hi-Z)
-
-
-
-
-
-
Mode
VVCR2-0 bit
Source of
VCRC pin
(Hi-Z)
Source of
VCRGO pin
(Hi-Z)
Source of
VCRBO pin
(Hi-Z)
Encoder CVBS or Y/C 1
001
ENCRC pin
(Encoder C)
(Hi-Z)
(Hi-Z)
Encoder CVBS or Y/C 2
010
ENCC pin
(Encoder C)
(Hi-Z)
(Hi-Z)
TV CVBS (default)
011
(Hi-Z)
(Hi-Z)
(Hi-Z)
VCR
100
VCRRC pin
(VCR Red, C)
ENCRC pin
(Encoder Red,C
or Pb)
-
-
VCRG pin
(VCR Green)
ENCG pin
(Encoder Green
or Y)
-
-
VCRB pin
(VCR Blue)
ENCB pin
(Encoder Blue
or Pr)
-
-
Encoder CVBS /RGB
101
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