AK4705 Datasheet, PDF (43/50 Pages) Asahi Kasei Microsystems – 2ch 24bit DAC with AV SCART Switch

[AK4705]
Addr Register Name D7
D6
08H Monitor
0
0
R/W
default
0
0
D5
D4
D3
D2
D1
D0
0 TVMON VCMON FVCR SVCR1 SVCR0
READ
0
0
0
0
0
0
SVCR1-0: VCR Slow blanking status monitor
SVCR1-0 reflect the voltage at VCRSB pin only when the VCRSB is in the input mode.
When the VCRSB is in the output mode, SVCR1-0 hold previous value.
VCRSB pin input level
SVCR1
< 2V
0
4.5 to 7V
0
(Reserved)
1
9.5<
1
Table 31. VCR Slow Blanking monitor
SVCR0
0
1
0
1
FVCR: VCR Fast blanking input level monitor
This bit is enabled when TVFB bit = “1”.
VCRFB pin input level
FVCR
<0.4V
0
1 V<
1
Table 32. VCR Fast Blanking monitor (Typical threshold is 0.7V)
VCMON :
TVMON :
Refer Table 28.
Addr Register Name
D7
D6
D5
09H Monitor mask
MCOMN
0
0
R/W
default
0
0
0
D4
D3
MTV
MVC
R/W
0
1
MSVCR: SVCR1-0 Monitor mask.
0: The INT pin reflects the change of SVCR1-0 bits. (default)
1: The INT pin does not reflect the change of SVCR1-0 bit.
MFVCR: FVCR Monitor mask.
0: The INT pin reflects the change of MFVCR bit. (default)
1: The INT pin does not reflect the change of MFVCR bit.
MVC:
MTV:
Refer Table 29, Table 30.
MCOMN:.
Refer Table 28.
D2
D1
D0
MFVCR MSVCR
0
0
0
0
MS0451-E-01
- 43 -
2007/06