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STA015 View Datasheet(PDF) - STMicroelectronics

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Description
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STA015 Datasheet PDF : 44 Pages
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STA015-STA015B-STA015T
TONE_ATTEN
Address: 0x7D (125)
Type: RW
Software Reset: 0x00
Hardware Reset: 0x00
MSB
LSB
b7 b6 b5 b4 b3 b2 b1 b0
TA7 TA6 TA5 TA4 TA3 TA2 TA1 TA0
In the digital output audio, the full signal is
achieved with 0 dB of attenuation. For this rea-
son, before applying Bass & Treble Control, the
user has to set the TONE_ATTEN register to the
maximum value of enhancement is going to per-
form.
For example, in case of a 0 dB signal (max. level)
only attenuation would be possible. If enhance-
ment is desired, the signal has to be attenuated
accordingly before in order to reserve a margin in dB.
An increment of a decimal unit corresponds to a
Tone Attenuation step of 1.5dB.
MSB
LSB
b7 b6 b5 b4 b3 b2 b1 b0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
0
1
0
0
0
0
0
0
0
1
1
.
.
.
ATTENUATION
-1.5dB step
0dB
-1.5dB
-3dB
-4.5dB
0
0
0
0
1
0
1
0
0
0
0
0
1
0
1
1
0
0
0
0
1
1
0
0
-15dB
-16.5dB
-18dB
30/44
 

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