參數(shù)資料
型號: AK4648EC
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Stereo CODEC with MIC/HP/SPK-AMP
中文描述: 立體聲編解碼器麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷
文件頁數(shù): 90/119頁
文件大小: 1272K
代理商: AK4648EC
[AK4648]
MS0625-E-01
2007/06
- 90 -
Addr
07H
Register Name
ALC Mode Control 1
R/W
Default
D7
0
RD
0
D6
0
RD
0
D5
ALC
R/W
0
D4
D3
D2
D1
D0
ZELMN
R/W
0
LMAT1
R/W
0
LMAT0
R/W
0
RGAIN0
R/W
0
LMTH0
R/W
0
LMTH1-0: ALC Limiter Detection Level / Recovery Counter Reset Level (Table 27)
Default: “00”
LMTH1 bit is D6 bit of 0BH.
RGAIN1-0: ALC ALC Recovery GAIN Step (Table 31)
Default: “00”
RGAIN1 bit is D7 bit of 0BH.
LMAT1-0: ALC Limiter ATT Step (Table 28)
Default: “00”
ZELMN: Zero Crossing Detection Enable at ALC Limiter Operation
0: Enable (default)
1: Disable
ALC: ALC Enable
0: ALC Disable (default)
1: ALC Enable
Addr
Register Name
08H
ALC Mode Control 2
R/W
Default
REF7-0: Reference Value at ALC Recovery Operation. 0.375dB step, 242 Level (Table 32)
Default: “E1H” (+30.0dB)
D7
REF7
R/W
1
D6
REF6
R/W
1
D5
REF5
R/W
1
D4
REF4
R/W
0
D3
REF3
R/W
0
D2
REF2
R/W
0
D1
REF1
R/W
0
D0
REF0
R/W
1
D5
IVL5
IVR5
R/W
1
Addr
09H
0CH
Register Name
Lch Input Volume Control
Rch Input Volume Control
R/W
Default
D7
IVL7
IVR7
R/W
1
D6
IVL6
IVR6
R/W
1
D4
IVL4
IVR4
R/W
0
D3
IVL3
IVR3
R/W
0
D2
IVL2
IVR2
R/W
0
D1
IVL1
IVR1
R/W
0
D0
IVL0
IVR0
R/W
1
IVL7-0, IVR7-0: Input Volume; 0.375dB step, 242 Level (Table 35)
Default: “E1H” (+30.0dB)
Addr
Register Name
0AH
Lch Digital Volume Control
0DH
Rch Digital Volume Control
R/W
Default
DVL7-0, DVR7-0: Output Digital Volume (Table 38)
Default: “18H” (0dB)
D7
DVL7
DVR7
R/W
0
D6
DVL6
DVR6
R/W
0
D5
DVL5
DVR5
R/W
0
D4
DVL4
DVR4
R/W
1
D3
DVL3
DVR3
R/W
1
D2
DVL2
DVR2
R/W
0
D1
DVL1
DVR1
R/W
0
D0
DVL0
DVR0
R/W
0
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