參數(shù)資料
型號(hào): AK4673EG
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
中文描述: 立體聲編解碼器麥克風(fēng)/惠普- AMP及觸摸屏控制器
文件頁(yè)數(shù): 86/107頁(yè)
文件大?。?/td> 1171K
代理商: AK4673EG
[AK4673]
MS0670-E-00
2007/09
- 86 -
Addr
09H
0CH
Register Name
Lch Input Volume Control
Rch Input Volume Control
Default
D7
IVL7
IVR7
1
D6
IVL6
IVR6
1
D5
IVL5
IVR5
1
D4
IVL4
IVR4
0
D3
IVL3
IVR3
0
D2
IVL2
IVR2
0
D1
IVL1
IVR1
0
D0
IVL0
IVR0
1
IVL7-0, IVR7-0: Input Digital Volume; 0.375dB step, 242 Level (
Table 36
.)
Default: “E1H” (+30.0dB)
Addr
Register Name
D7
0AH
Lch Digital Volume Control
DVL7
0DH
Rch Digital Volume Control
DVR7
Default
DVL7-0, DVR7-0: Output Digital Volume (
Table 39
.)
Default: “18H” (0dB)
Addr
Register Name
D7
0BH
ALC Mode Control 3
RGAIN1
Default
0
VBAT: HP-Amp Common Voltage (
Table 56
.)
0: 0.5 x HVDD (default)
1: 0.64 x AVDD
LMTH1: ALC Limiter Detection Level / Recovery Counter Reset Level (
Table 28
.)
RGAIN1: ALC Recovery GAIN Step (
Table 32
.)
Addr
Register Name
D7
0EH
Mode Control 3
0
Default
0
DEM1-0: De-emphasis Frequency Select (
Table 37
)
Default: “01” (OFF)
BST1-0: Bass Boost Function Select (
Table 38
)
Default: “00” (OFF)
DVOLC: Output Digital Volume Control Mode Select
0: Independent
1: Dependent (default)
When DVOLC bit = “1”, DVL7-0 bits control both Lch and Rch volume level, while register values of
DVL7-0 bits are not written to DVR7-0 bits. When DVOLC bit = “0”, DVL7-0 bits control Lch level and
DVR7-0 bits control Rch level, respectively.
SMUTE: Soft Mute Control
0: Normal Operation (default)
1: DAC outputs soft-muted
LOOP: Digital Loopback Mode
0: SDTI
DAC (default)
1: SDTO
DAC
D6
DVL6
DVR6
0
D5
DVL5
DVR5
0
D4
DVL4
DVR4
1
D3
DVL3
DVR3
1
D2
DVL2
DVR2
0
D1
DVL1
DVR1
0
D0
DVL0
DVR0
0
0
D6
D5
0
0
D4
0
0
D3
0
0
D2
0
0
D1
D0
0
0
LMTH1
0
VBAT
0
D6
LOOP
0
D5
D4
D3
BST1
0
D2
BST0
0
D1
D0
SMUTE
0
DVOLC
1
DEM1
0
DEM0
1
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