AK4709 Datasheet, PDF (22/42 Pages) Asahi Kasei Microsystems – Low Power AV SCART Switch

[AK4709]
■ 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.
(CIO bit &
VCRC bit)
#15 pin
75
VCRC
pin
VCRRC
pin
0.1u
VCR SCART
(AK4709)
Figure 9. VCR Red/Chroma Bi-directional Control
CIO VCRC
State of VCRC pin
0
0
Hi-z
(default)
0
1
1
0
Active
Connected to GND
1
1
Connected to GND
Table 12. VCR Red/Chroma Bi-directional Control
MS1319-E-00
- 22 -
2011/07