AK4702EQ Datasheet, PDF (30/39 Pages) Asahi Kasei Microsystems – 2ch DAC with AV SCART switch

ASAHI KASEI
[AK4702EQ]
Addr Register Name D7
06H Video Volume
0
R/W
default
0
D6
VCLP1
D5
VCLP0
0
0
D4
D3
0
CLAMP1
R/W
0
0
D2
CLAMP0
1
D1
VVOL1
0
D0
VVOL0
0
VVOL1-0: RGB video gain control
VVOL1
0
0
1
1
VVOL0
0
1
0
1
Gain
Output level (Typ. @Input=0.7Vpp)
+6dB
1.4Vpp (default)
+7.2dB
+8.2dB
1.6Vpp
1.8Vpp
+9.1dB
2.0Vpp
Table 15. RGB gain
CLAMP1 : Encoder R/Chroma (ENCRC pin)input clamp control
0
: DC restore clamp active (for RED signal. default)
1
: Biased (for Chroma signal.)
CLAMP0 : VCR R/C (VCRC pin)input clamp control
0
: DC restore clamp active (for RED signal)
1
: Biased (for Chroma signal. default.)
VCLP1-0 : DC restore source control
VCLP1
0
0
1
1
VCLP0
Sync Source of DC Restore
0
ENCV (default)
1
ENCY
0
VCRVIN
1
(Reserved)
Table 16. DC restore source control
MS0424-E-00
- 30 -
2005/09