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STW5098 Datasheet(PDF) 46 Page - STMicroelectronics

No. de pieza STW5098
Descripción Electrónicos  Dual low power asynchronous stereo audio Codec with integrated power amplifiers
PDF  86 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW5098 Datasheet(HTML) 46 Page - STMicroelectronics

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STw5098
Control registers
45/85
5.8
Digital filters, software reset and master clock control
CR#
(hex)
Description
D7D6D5D4
D3
D2D1
D0
Def.
CR29
(1Dh)
Digital filters
control
X
DAVOICE
DA96K
RXNH
ADVOICE
AD96K
ADNH
TXNH
0000
0000
CR30
(1Eh)
Soft reset &
AMCK range
SWRES
X
X
X
AMCKSIN
CKRANGE(2:0)
0000
0000
Table 23.
CR29 description
Bits
Name
Value
CR29 description
Def.
6DAVOICE
1
0
DA path voice RX filter is enabled (single channel, left used)
DA path voice filters are enabled
0
5DA96K
1
0
DA path data rate is in the range 88 kHz to 96 kHz
DA path data rate is in the range 8 kHz to 48 kHz
0
4RXNH
1
0
DA path high pass voice RX filter is disabled
DA path high pass voice RX filter is enabled (300Hz @ 8kHz rate)
0
3ADVOICE
1
0
AD path voice TX filter is enabled (single channel, left used)
AD path audio filters are enabled
0
2AD96K
1
0
AD path data rate is in the range 88 kHz to 96 kHz
AD path data rate is in the range 8 kHz to 48 kHz
0
1
ADNH
1
0
AD path audio DC filter is disabled
AD path audio DC filter is enabled
0
0TXNH
1
0
AD path high pass voice TX filter is disabled
AD path high pass voice TX filter is enabled (300Hz @ 8kHz rate)
0
Table 24.
CR30 description
Bits
Name
Value
CR30 description
Def.
7SWRES
1
0
Software reset: All registers content is reset to the default value
Control Register content is left unchanged
0
3
AMCKSIN
1
0
Signal at AMCK pin is a sinusoid
Signal at AMCK pin is a square wave
0
2-0
CKRANGE(2:0)
000
001
010
011
100
101
AMCK range
MCKCOEFF
4.0 MHz to 6.0 MHz
8.0
6.0 MHz to 8.0 MHz
6.0
8.0 MHz to 12.0 MHz
4.0
12.0 MHz to 16.0 MHz
3.0
16.0 MHz to 24.0 MHz
2.0
24.0 MHz to 32.0 MHz
1.5
000



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