AK4706_10 Datasheet, PDF (32/54 Pages) Asahi Kasei Microsystems – 2ch 24bit DAC with AV Switch & HD/SD Video Filter

[AK4706]
VCLP2-0: DC restore source control
VCLP2 VCLP1 VCLP0
Sync Source of DC Restore
0
0
0
0
0
1
0
1
0
0
1
1
ENCV (default)
ENCY
VCRVIN
ENCG
1
0
0
1
0
1
1
1
0
1
1
1
VCRG
(reserved)
(reserved)
(reserved)
Note: When the AUTO bit = “1”, the source is fixed to VCRVIN.
Table 22. DC-restore source control
■ HD Video Control (0AH: D7-D6, D1-D0)
FLY1/0, FLPB1/0, FLPR1/0 bits and HDSW1/0, HDCP1/0 bits set the HD video switch and filter response.
HDSW1
0
0
0
0
1
1(default)
HDSW0
0
0
0
1
0
1(default)
HDCP1 HDCP0
HD YPbPr – RGB Control
0(default)
0(default)
/1
YPbPr.
ENCY2 = 0.7V Clamp,
ENCPB = 2.2V DC-restore,
ENCPR = 2.2V DC-restore.
(ENCY2= Sync Source only for ENCPB, ENCPR)
RGB.
ENCY2 = 0.7V Clamp,
1
0
ENCPB = 0.7V DC-restore,
ENCPR = 0.7V DC-restore.
(ENCY2= Sync Source only for ENCPB, ENCPR)
1
1
RGB.
ENCY2 = 0.7V DC-restore,
ENCPB = 0.7V DC-restore,
ENCPR = 0.7V DC-restore.
Sync Source = ENCV
*
*
ENCG,
ENCB,
ENCR
Follow CLAMPB, 2, 1
*
*
VCRG,
VCRB,
VCRRC
Follow CLAMPB, 0.
VCRG follow VCRRC circuit.
*
*
Hi-Z
Table 23. HD Video Switch Control (3ch common)
Input
Output
FLY1/ FLPB1/FLPR1 bit FLY0/ FLPB0/FLPR0 bit
LFP response
0
0
6MHz LPF (default)
0
1
12MHz LPF
1
0
30MHz LPF
1
1
(Reserved)
Table 24. HD Video Filter Control (3ch independent)
MS0507-E-01
- 32 -
2010/09