參數(shù)資料
型號: AK4704
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 2ch 24bit DAC with AV SCART switch
中文描述: 2通道24位DAC,具有影音SCART開關(guān)
文件頁數(shù): 34/44頁
文件大小: 440K
代理商: AK4704
ASAHI KASEI
AKM CONFIDENTIAL
[AK4704]
Rev. 0.5
2004/1
- 34 -
Addr
01H
Register Name
Switch
R/W
default
D7
D6
D5
VCR1
D4
VCR0
D3
D2
D1
TV1
D0
TV0
VMUTE
0
MONO
VOL
R/W
1
0
0
1
0
1
0
1
TV1-0: TVOUTL/R pins source switch
00 : DAC
01 : VCRINL/R pins (Default)
10 : MUTE
11 : (Reserved)
VOL: MONOOUT pin source switch
0 : Bypass the volume (fixed to DAC out)
1 : Through the volume (Default)
MONO: Mono select for TVOUTL/R pins
0 : Stereo. (Default)
1 : Mono. (L+R)/2
VCR1-0: VCROUTL/R pins source switch
00 : DAC
01 : TVINL/R pins (Default)
10 : MUTE
11 : Volume #1 output
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
R/W
default
0
0
L5
L4
L3
L2
L1
L0
R/W
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
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