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STA015 Datasheet(PDF) 37 Page - STMicroelectronics

No. de pieza STA015
Descripción Electrónicos  MPEG 2.5 LAYER III AUDIO DECODER WITH ADPCM CAPABILITY
PDF  55 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA015 Datasheet(HTML) 37 Page - STMicroelectronics

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STA015 STA015B STA015T
Bass_Freq <= Treble_Freq
Bass_Freq > 0
(suggested range: 20 Hz < Bass_Freq < 750 Hz)
Example:
Bass = 200Hz
Treble = 3kHz
TFS
BFS
TREBLE_ENHANCE
Address: 0x7B (123)
Software Reset: 0x00
Hardware Reset: 0x00
Signed number (2 complement)
This register is used to select the enhancement or attenuation STA015 has to perform on Treble Frequen-
cy range at the digital signal.
A decrement (increment) of a decimal unit corresponds to a step of attenuation (enhancement) of 1.5dB.
The allowed Attenuation/Enhancement range is [-18dB, +18dB].
15
14
13
12
11
10
9876543210
00001
01110111000
15
14
13
12
11
10
9876543210
00000
00011001000
MSB
LSB
b7
b6
b5
b4
b3
b2
b1
b0
TE7
TE6
TE5
TE4
TE3
TE2
TE1
TE0
MSB
LSB
ENHANCE/ATTENUATION
b7
b6
b5
b4
b3
b2
b1
b0
1.5dB step
0
0001
100
+18
0
0001
011
+16.5
0
0001
010
+15
0
0001
001
+13.5
:
:
0
0000
001
+1
0
0000
000
0
1
1111
111
-1
:
:
1
1110
111
+13.5
1
1110
110
-15
1
1110
100
-16.5
1
1110
100
-18



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