AK4702EQ Datasheet, PDF (26/39 Pages) Asahi Kasei Microsystems – 2ch DAC with AV SCART switch

ASAHI KASEI
[AK4702EQ]
Addr Register Name
D7
D6
D5
D4
D3
D2
D1
D0
01H Switch
VMUTE MMON VCR1 VCR0 MONO VOL
TV1
TV0
R/W
R/W
default
1
1
0
1
0
1
0
1
TV1-0: TVOUT source switch
00 : DAC
01 : VCRIN (Default)
10 : MUTE
11 : (Reserved)
VOL: Source select for MONOOUT
0 : Bypass the volume (fixed to DAC out)
1 : Through the volume (Default)
MONO: Mono select for TVOUT
0 : Stereo. (Default)
1 : Mono. (L+R)/2
VCR1-0: VCROUT source switch
00 : DAC
01 : TVIN (Default)
10 : MUTE
11 : (Reserved)
MMON: Mute of MONOIN input
0 : Add the MONOIN
1 : Mute the MONOIN (default)
VMUTE: Mute switch for volume#1
0 : Normal operation
1 : Mute the volume#1 (Default)
Addr Register Name D7
D6
D5
D4
D3
D2
D1
D0
02H Main Volume
0
0
L5
L4
L3
L2
L1
L0
R/W
R/W
default
0
0
0
1
1
1
1
1
L5-0: Volume#1 control
Those registers control both Lch and Rch of Volume#1.
111111 to
100011 : (Reserved)
100010 : Volume gain = +6dB
100001 : Volume gain = +4dB
100000 : Volume gain = +2dB
011111 : Volume gain = +0dB (default)
011110 : Volume gain = -2dB
...
000011 : Volume gain = -56dB
000010 : Volume gain = -58dB
000001 : Volume gain = -60dB
000000 : Volume gain = Mute
MS0424-E-00
- 26 -
2005/09