參數(shù)資料
型號(hào): AK4561VQ
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-Amp
中文描述: 16位編解碼器在ALC和內(nèi)置麥克風(fēng)/惠普放大器
文件頁(yè)數(shù): 27/48頁(yè)
文件大?。?/td> 332K
代理商: AK4561VQ
ASAHI KASEI
AKM CONFIDENTIAL
[AK4561]
Rev. 0.9
2000/09
- 27 -
Output
PGA
Control
Addr
09H
Output PGA Control
RESET
OPGA4-0: Output analog PGA; 32 Level; 0dB
-50dB, Mute.
These bits can change volume of Headphone-Amp and Monaural-Amp.
This volume includes zero crossing detection, and it does L/R channels independently. Zero
crossing timeout is 32ms.
These periods are value at fs=32kHz (FS bit = “0”) or fs=48kHz (FS bit = “1”).
Register Name
D7
0
0
D6
0
0
D5
0
0
D4
D3
D2
D1
D0
OPGA4
OPGA3
1
OPGA2
1
OPGA1
1
OPGA0
1
1
DATA
1FH
1EH
1DH
10H
0FH
0EH
0DH
05H
04H
03H
02H
01H
00H
GAIN(dB)
+0
-1
-2
-15
-16
-18
-20
-36
-38
-42
-46
-50
Mute
STEP
LEVEL
1dB
17
2dB
11
4dB
3
RESET
1
Table 16. ATT value of Analog Volume
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