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STW5094AD Scheda tecnica(PDF) 31 Page - STMicroelectronics

Il numero della parte STW5094AD
Spiegazioni elettronici  18-bit Low Power Asynchronous Stereo Audio DAC with Integrated Power Amplifiers and Voice Codec
PDF  51 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW5094AD Scheda tecnica(HTML) 31 Page - STMicroelectronics

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STw5094A
Figure 13. Audio interface (AU I/F) formats in SPI mode
Figure 14. Control interface (I2C I/F) formats
LRCK
SCK
SDI
1
2
15
16
1
Left or Right channel
Right or Left channel
MSB
LSB
SCK polarity normal, Data word 16 bit
SCK polarity inverted, Data word 18 bit
2
32 SCK
NOTE: In SPI-mode the first high to low transition on LRCK after power-up defines the Left channel of the first couple of audio data
MSB
XX
X
For the other possible formats see Control Register CR16 description
LRCK
SCK
SDI
1
2
17
18
MSB
LSB
XX
X
1
2
MSB
X
and of all the subsequent couples of Left/Right audio data.
Left or Right channel
Right or Left channel
WRITE
SINGLE BYTE
START
DEVICE ADDRESS
REG n ADDRESS
REG n DATA IN
ACK
ACK
ACK
STOP
WRITE
MULTI BYTE
START
DEVICE ADDRESS
REG n ADDRESS
REG n DATA IN
ACK
ACK
ACK
STOP
REG n+m DATA IN
ACK
m+1 data bytes
CURRENT ADDR
START
DEVICE ADDRESS
Current REG DATA OUT
ACK
NO ACK
STOP
READ
SINGLE BYTE
CURRENT ADDR
START
DEVICE ADDRESS
Current REG DATA OUT
ACK
NO ACK
STOP
READ
MULTI BYTE
Curr REG+m DATA OUT
ACK
ACK
ACK
m+1 data bytes
START
DEVICE ADDRESS
REG n ADDRESS
ACK
ACK
START
DEVICE ADDRESS
REG n DATA OUT
ACK
NO ACK
STOP
RANDOM ADDR
READ
SINGLE BYTE
RANDOM ADDR
READ
MULTI BYTE
START
DEVICE ADDRESS
REG n ADDRESS
ACK
ACK
START
DEVICE ADDRESS
NO ACK
STOP
REG n+m DATA OUT
ACK
ACK
m+1 data bytes
REG n DATA OUT
ACK
11100011
11100011
11100010
11100010
11100010
11100010
11100011
11100011



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