參數(shù)資料
型號: AK4560AVQ
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16bit CODEC with ALC and MIC/HP/SPK-Amps
中文描述: 16位編解碼器ALC和麥克風/惠普/胰腎聯(lián)合移植,放大器
文件頁數(shù): 27/47頁
文件大?。?/td> 339K
代理商: AK4560AVQ
ASAHI KASEI
[AK4560A]
MS0028-E-00
2000/05
- 27 -
Output
PGA
Control
Addr
09H
Output PGA Control
Register Name
D7
0
D6
0
RD
0
D5
0
D4
D3
D2
D1
D0
OPGA4
OPGA3
OPGA2
R/W
1
OPGA1
OPGA0
R/W
RESET
0
0
1
1
1
1
OPGA4-0: Output analog PGA; 32 Level; 0dB
-50dB, Mute.
These bits can change volume of Headphone-Amps and Speaker-Amp.
This volume includes zero crossing detection, and it does L/R channels independently. Zero
crossing timeout is proportional to sampling rate, To = 512/fs.
10.7ms = 512/fs@fs=48kHz
16ms = 512/fs@fs=32kHz
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 15. ATT value of Analog Volume
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