AK4703 Datasheet, PDF (28/38 Pages) Asahi Kasei Microsystems – AV SCART switch

ASAHI KASEI
AKM CONFIDENTIAL
[AK4703]
Addr
03H
Register Name
Zerocross
R/W
Default
D7
D6
D5
0
VMONO
0
0
0
0
D4
D3
0
0
R/W
0
0
D2
ZERO
D1
D0
ZTM1 ZTM0
1
0
0
ZTM1-0: The time length control of zero-cross timeout
00: typ. 10ms (Default)
01: typ. 20ms
10: typ. 40ms
11: typ. 80ms
ZERO: Zero-cross detection enable for TVOUT output
0: Disable
The TVOUT outputs VCOM voltage immediately without zero-cross when MUTE bit is “1”.
1: Enable (Default)
The TVOUT outputs VCOM voltage when timeout or zero-cross before timeout when MUTE bit is “1”.
VMONO: Mono select for VCROUTL/R pins
0: Stereo. (Default)
1: Mono. (L+R)/2
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
VTV2-0: Selector for TV video output
Please refer the Table 6.
VVCR2-0: Selector for VCR video output
Please refer the Table 7.
VRF1-0: Selector for RFV pin output
Please refer the Table 8.
D1
VTV1
0
D0
VTV0
0
Rev. 0.1
- 28 -
2004/03