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STW5098T データシート(PDF) 43 Page - STMicroelectronics

部品番号 STW5098T
部品情報  Dual low power asynchronous stereo audio Codec with integrated power amplifiers
PDF  85 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW5098T データシート(HTML) 43 Page - STMicroelectronics

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STw5098
Control registers
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5.7
Digital audio interfaces
CR#
(hex)
Description
D7D6D5D4
D3
D2D1
D0
Def.
CR26
(1Ah)
DAC data IF
control
X
DAFORM(2:0)
DASPIM
DAWL(2:0)
0000
0000
CR27
(1Bh)
ADC data IF
control
ADRTOL
ADFORM2:0)
ADSPIM
ADWL(2:0)
0000
0000
CR28
(1Ch)
DAC&ADC data
IF control
AMCKINV
DACKP
DASYNCP
DAMONO
ADCKP
AD
SYNCP
ADMONO
ADHIZ
0000
0000
Table 20.
CR26 description
Bits
Name
Value
CR26 Description
Def.
6-4
DAFORM(2:0)
000
001
010
011
100
111
DA audio interface format selection
Delayed format (I2S compatible)
Left aligned format
Right aligned format
DSP format
SPI format
PCM format (uses left channel)
000
3
DASPIM
1
0
DA interface in SPI mode receives one word for both channels
DA interface in SPI mode receives two words
(alternated, left channel first)
0
2-0
DAWL(2:0)
000
001
010
011
100
DA interface word length
16 bit
18 bit
20 bit
24 bit
32 bit
000
Table 21.
CR27 description
Bits
Name
Value
CR27 description
Def.
7ADRTOL
1
0
AD right channel sent to PCM I/F (must set ENADCR=0 in CR1)
Normal operation
0
6-4
ADFORM(2:0)
000
001
010
011
100
111
AD audio interface format selection
Delayed format (I2S compatible)
Left aligned format
Right aligned format
DSP format
SPI format
PCM format (sends out left channel)
000



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