參數資料
型號： AK4703VQ
廠商： Asahi Kasei Microsystems Co.,Ltd
英文描述： AV SCART switch
中文描述： 影音SCART開關
文件頁數： 17/38頁
文件大?。?/td> 351K
代理商： AK4703VQ
ASAHI KASEI
AKM CONFIDENTIAL
[AK4703]
Rev. 0.1
2004/03
- 17 -
Video Output Control (05H: D6-D0)
Each video output can be set to Hi-Z individually via control registers. These settings are ignored when the AUTO bit =
“1”. When the CIO bit = “1”, the VCRC pin outputs 0V even if the VCRC bit = “0”. When the CIO bit = “0”, the VCRC
pin follows the setting of VCRC bit. Please refer the “Red/Chroma Bi-directional Control for VCR SCART”.
TVV: TVVOUT output control
TVR: TVRCOUT output control
TVG: TVGOUT output control
TVB: TVBOUT output control
VCRV: VCRVOUT output control
VCRC: VCRC output control
TVFB: TVFB output control
0: Hi-Z. (Default)
1: Active.
Red/Chroma Bi-directional Control for VCR SCART (05H: D7, D5)
The 4703 supports the bi-directional Red/Chroma signal on the VCR SCART.
(CIO bit &
VCRC bit)
(AK4703)
VCRRC
pin
VCRC
pin
VCR SCART
75
0.1u
#15 pin
Figure 5. Red/Chroma Bi-directional Control
CIO bit
0
0
1
1
Table 9. Red/Chroma Bi-directional Control
VCRC bit
0
1
0
1
State of VCRC pin
Hi-z (default)
Active
Connected to GND
Connected to GND
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