AK4707 Datasheet, PDF (30/42 Pages) Asahi Kasei Microsystems – AV SCART Switch

ASAHI KASEI
[AK4707]
Addr
01H
Register Name
Switch
R/W
Default
D7
MUTE
1
D6
D5
D4
D3
D2
0
VCR1 VCR0 MONO
1
R/W
0
0
1
0
1
D1
D0
TV1
TV0
0
1
TV1-0: TVOUTL/R pins source switch
00: AMP
01: VCRINL/R pins (default)
10: MUTE
11: Reserved
MONO: Mono select for TVOUTL/R pins
0: Stereo. (default)
1: Mono. (L+R)/2
VCR1-0: VCROUTL/R pins source switch
00: AMP
01: TVINL/R pins (default)
10: MUTE
11: Reserved
MUTE: Mute switch
0: Normal operation
1: Mute (default)
When Mute bit = “1”, TVOUTL/R outputs VCOM voltage after TVOUTL/R output is zero-crossing
(ZERO bit= “1”).
Set the MUTE bit= “1” to pass for 100ms after setting the PDN pin=“H”.
Addr Register Name D7
D6
D5
D4
D3
D2
D1
D0
02H Main volume
0
0
L2
L1
L0
1
1
1
R/W
R/W
Default
0
0
0
1
1
1
1
1
L2-0: Volume #0 control
Those registers control both Lch and Rch of Volume #0.
111: Volume gain = +12dB
110: Volume gain = +9dB
101: Volume gain = +6dB
100: Volume gain = +3dB
011: Volume gain = +0dB (default)
010: Volume gain = -3dB
001: Volume gain = -6dB
000: MUTE
MS0551-E-00
- 30 -
2006/10