AK4702EQ Datasheet, PDF (28/39 Pages) Asahi Kasei Microsystems – 2ch DAC with AV SCART switch

ASAHI KASEI
[AK4702EQ]
Addr
04H
Register Name
Video Switch
R/W
default
D7
VRF1
1
D6
VRF0
0
D5
VVCR2
0
D4
D3
VVCR1 VVCR0
R/W
1
1
D2
VTV2
1
D1
VTV1
D0
VTV0
0
0
VTV0-2: selector for TV video output
Mode
VTV2-0 TVVOUT
TVRC
TVG
Shutdown
000
Hi-Z
Hi-Z
Encoder CVBS
or RGB
001
Encoder CVBS
ENCV
Encoder R
ENCRC
Hi-Z
Encoder G
ENCG
Encoder
Encoder
Encoder Y/C 1 010
Luminance
Chrominance
ENCV
ENCRC
Encoder
Encoder
Encoder Y/C 2 011
Luminance
Chrominance
ENCY
ENCC
VCR
(default)
100
VCR CVBS/Y
VCRVIN
VCR R/C
VCRRC
Hi-Z
Hi-Z
VCR G
VCRG
TV CVBS
101
TV CVBS/Y
TVVIN
Hi-Z
Hi-Z
(reserved)
110
-
-
-
(reserved)
111
-
-
-
Table 11. TV video output (see note)
TVB
Hi-Z
Encoder B
ENCB
Hi-Z
Hi-Z
VCR B
VCRB
Hi-Z
-
-
VVCR0-2: selector for VCR video output
Mode
VVCR2-0
VCRVOUT
VCRC
Shutdown
000
Hi-Z
Hi-Z
Encoder CVBS
or Y/C 1
001
Encoder CVBS
or Y/C 2
010
Encoder CVBS/Y
ENCV
Encoder CVBS/Y
ENCY
Encoder Chrominance
ENCRC
Encoder Chrominance
ENCC
TV CVBS
(default)
011
TV CVBS
TVVIN
Hi-Z
VCR
100
VCR CVBS/Y
VCRVIN
VCR R/C
VCRRC
(reserved)
101
-
-
(reserved)
110
-
-
(reserved)
111
-
-
Table 12. VCR video output (see note)
VRF0-1: selector for RF video output
Mode
Encoder
CVBS1
Encoder
CVBS2
VCR
(default)
Shutdown
VRF1-0
00
01
10
11
RF CVBS
Encoder CVBS1
ENCV
Encoder CVBS2
ENCG (Note: 22)
VCR
VCRVIN
Hi-Z
Table 13. RF video output (see note)
Note: 21: When input the video signal via ENCRC or VCRRC pin, set CLAMP1-0 bits respectively.
Note: 22 When VTV2-0=“001”, TVG=“1” and VRF1-0=“01”, RFV output is same as TVG (Encoder G).
MS0424-E-00
- 28 -
2005/09