參數(shù)資料
型號(hào): AK4564
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16BIT CODEC WITH BUILT-IN ALC AND MIC/HP/SPK-AMP
中文描述: 16位編解碼器,配有ALC和麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷
文件頁(yè)數(shù): 42/48頁(yè)
文件大?。?/td> 382K
代理商: AK4564
ASAHI KASEI
[AK4564]
MS0140-E-01
2002/07
- 42 -
ALC
Mode
Control 3
Addr
09H
ALC Mode Control 3
Default
REF7-0: Reference value at ALC1 Recovery Operation. 0.375dB step, 242 Levels
During the ALC1 recovery operation, if the REF value exceeds the setting reference value by
Gain operation, REF value does not become larger than the reference value.
GSEL bit selects the gain table of either MIC or LINE.
Register Name
D7
REF7
1
D6
REF6
1
D5
REF5
1
D4
REF4
0
D3
REF3
0
D2
REF2
0
D1
REF1
0
D0
REF0
1
GAIN(dB)
DATA
MIC
(GSEL bit = “0”)
+36.0
+35.625
+35.25
+30.375
+30.0
+29.625
+29.25
-52.875
-53.25
-53.625
-54.0
MUTE
LINE
(GSEL bit = “1”)
+6.0
+5.625
+5.25
+0.375
0
-0.375
-0.75
-82.875
-83.25
-83.625
-84.0
MUTE
F1H
F0H
EFH
E2H
E1H
E0H
DFH
04H
03H
02H
01H
00H
Default
Table 22. Set-up Reference Level at ALC1 Recovery operation
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