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AK4709 Datasheet(PDF) 22 Page - Asahi Kasei Microsystems

Part No. AK4709
Description  Low Power AV SCART Switch
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Maker  AKM [Asahi Kasei Microsystems]
Homepage  http://www.akm.com
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AK4709 Datasheet(HTML) 22 Page - Asahi Kasei Microsystems

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[AK4709]
MS1319-
E-00
2011/07
- 22 -
Video Output Control (05H: D6-D0,)
Each video output can be set to Hi-Z individually via the control registers. These settings are ignored when the AUTO bit
= “1”.
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.
RGB/Chroma Bi-directional Control for VCR SCART (05H: D7, D5)
The AK4709 supports the bi-directional RGB/Chroma signal on the VCR SCART.
(AK4709)
VCRRC
pin
VCRC
pin
VCR SCART
75
0.1u
(CIO bit &
VCRC bit)
#15 pin
Figure 9. VCR Red/Chroma Bi-directional Control
CIO
VCRC
State of VCRC pin
0
0
Hi-z
(default)
0
1
Active
1
0
Connected to GND
1
1
Connected to GND
Table 12. VCR Red/Chroma Bi-directional Control


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