STA013 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
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STA013 Datasheet PDF : 38 Pages
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STA013 - STA013B - STA013T
DLA
Address: 0x46
Type: R/W
Software Reset: 0x00
Hardware Reset: 0x00
MSB
b7
DLA7
0
0
0
:
0
b6
DLA6
0
0
0
:
1
b5
DLA5
0
0
0
:
1
b4
DLA4
0
0
0
:
0
b3
DLA3
0
0
0
:
0
b2
DLA2
0
0
0
:
0
b1
DLA1
0
0
1
:
0
LSB
b0
DLA0
0
1
0
:
0
Description
OUTPUT ATTENUATION
NO ATTENUATION
-1dB
-2dB
:
-96dB
DLA register is used to attenuate the level of
audio output at the Left Channel using the butter-
fly shown in Fig. 12. When the register is set to
Figure 12. Volume Control and Output Setup
255 (0xFF), the maximum attenuation is
achieved.
A decimal unit correspond to an attenuation step
of 1 dB.
DSP Left Channel
DSP Right Channel
DLA
X
DLB
X
DRB
X
DRA
X
Output Left Channel
+
Output Right Channel
+
D97AU667
DLB
Address: 0x47
Type: R/W
Software Reset: 0xFF
Hardware Reset: 0xFF
MSB
b7
DLB7
0
0
0
:
0
b6
DLB6
0
0
0
:
1
b5
DLB5
0
0
0
:
1
b4
DLB4
0
0
0
:
0
b3
DLB3
0
0
0
:
0
b2
DLB2
0
0
0
:
0
b1
DLB1
0
0
1
:
0
LSB
b0
DLB0
0
1
0
:
0
Description
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.
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