參數(shù)資料
型號(hào): STA003
英文描述: MPEG 2.5 LAYER III AUDIO DECODER
中文描述: 2.5第三層的MPEG音頻解碼器
文件頁(yè)數(shù): 17/32頁(yè)
文件大?。?/td> 299K
代理商: STA003
DLA register is used to attenuate the level of
audio output at the Left Channel using the butter-
fly shown in Fig. 11. When the register is set to
255 (0xFF), the maximum attenuation is
achieved.
A decimal unit correspond to an attenuation step
of 1 dB.
DLA
Address: 0x46
Type: R/W
Software Reset: 0x00
Hardware Reset: 0x00
MSB
b7
DLA7
0
0
0
:
0
LSB
b0
DLA0
0
1
0
:
0
b6
b5
b4
b3
b2
b1
Description
DLA6
0
0
0
:
1
DLA5
0
0
0
:
1
DLA4
0
0
0
:
0
DLA3
0
0
0
:
0
DLA2
0
0
0
:
0
DLA1
0
0
1
:
0
OUTPUT ATTENUATION
NO ATTENUATION
-1dB
-2dB
:
-96dB
DLB
Address: 0x47
Type: R/W
Software Reset: 0xFF
Hardware Reset: 0xFF
MSB
b7
DLB7
0
0
0
:
0
LSB
b0
DLB0
0
1
0
:
0
b6
b5
b4
b3
b2
b1
Description
DLB6
0
0
0
:
1
DLB5
0
0
0
:
1
DLB4
0
0
0
:
0
DLB3
0
0
0
:
0
DLB2
0
0
0
:
0
DLB1
0
0
1
:
0
OUTPUT ATTENUATION
NO ATTENUATION
-1dB
-2dB
:
-96dB
DLB register is used to re-direct the Left Channel
on the Right, or to mix both the Channels.
Default value is 0x00, corresponding at the maxi-
mum attenuation in the re-direction channel.
X
DLA
+
X
Output Left Channel
DSP Left Channel
DLB
X
DRA
+
X
Output Right Channel
DSP Right Channel
DRB
D97AU667
Figure 11.
Volume Control and Output Setup
STA003T
17/32
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