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STA381BWS датащи(PDF) 38 Page - STMicroelectronics

номер детали STA381BWS
подробное описание детали  Sound Terminal 2.1-channel high-efficiency digital audio system
PDF  174 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA381BWS датащи(HTML) 38 Page - STMicroelectronics

Back Button STA381BWS_V01 Datasheet HTML 34Page - STMicroelectronics STA381BWS_V01 Datasheet HTML 35Page - STMicroelectronics STA381BWS_V01 Datasheet HTML 36Page - STMicroelectronics STA381BWS_V01 Datasheet HTML 37Page - STMicroelectronics STA381BWS_V01 Datasheet HTML 38Page - STMicroelectronics STA381BWS_V01 Datasheet HTML 39Page - STMicroelectronics STA381BWS_V01 Datasheet HTML 40Page - STMicroelectronics STA381BWS_V01 Datasheet HTML 41Page - STMicroelectronics STA381BWS_V01 Datasheet HTML 42Page - STMicroelectronics Next Button
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Device overview
STA381BWS
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DocID018937 Rev 7
Figure 15. Stereo link block diagram
4.3.9
Programming of coefficients
The coefficients are expressed in different value ranges and in decimal notation (refer to the
previous paragraphs). In order to be programmed they must be converted into a
[-1, +1) range and in hexadecimal notation (Table 11). This can be achieved with the
following procedure:
if CoeffDecValue>0
if CoeffDecValue<0
where CoeffI2CValue is the final decimal value to be converted into hexadecimal notation
while CoeffDecValue is the coefficient value (in decimal notation) to start from.
+
Output
Ch 0
Attenuator
From mapper
Ch 0 – Band 0
Attenuator
From mapper
Ch 0 – Band 1
Attenuator
Attenuator
X
X
Ch 0 – Band 1
Ch 0 – Band 0
+
Output
Ch 1
Attenuator
From mapper
Ch 1 – Band 0
Attenuator
From mapper
Ch 1 – Band 1
Attenuator
Attenuator
X
X
Ch 1 – Band 1
Ch 1 – Band 0
Max
Attenuation
Band 0
Max
Attenuation
Band 1
CoeffI2CValue
rnd CoeffDecValue 2
6
 2
23

=
CoeffI2CValue
2
24
rnd CoeffDecValue 2
6
 2
23

–
=
Obsolete
Product(s)
- Obsolete
Product(s)



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