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TDA7503 Datasheet(PDF) 10 Page - STMicroelectronics

Part # TDA7503
Description  DUAL DSP PLUS MICRO FOR AUDIO APPLICATIONS
PDF  26 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7503 Datasheet(HTML) 10 Page - STMicroelectronics

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TDE
LRCKT
Left
Right
Left
Right
Internal Flag set when left data written
to all enabled transmitters. If this internal
TDE cleared when right data written
to all enabled transmitters.
flag is set then right data must written
to data registers before the next
RDR
LRCKR
Left
Right
Left
Right
RDR cleared when right data read from
all enabled transmitters.
Internal Flag set when left data read
from all enabled receivers. If this internal
flag is set then right data must read
from data registers before the next
falling edge of LRCKT.
rising edge of LRCKR.
Figure 2. SAI Interrupt protocol
SDI0-3
LRCKR
SCKR
(RCKP=0)
tlrh
tsdis
tsdih
tlrs
t sckpl
tsckph
Valid
Valid
tdt
t sckr
SAI/SSI INTERFACE
Figure 1. SAI and SSI Timings
Timing
Description
Value
Unit
tsckr
Minimum Clock Cycle
3TDSP+5
ns
tdt
SCKR active edge to data out valid
40
ns
tlrs
LRCK setup time
5
ns
tlrh
LRCK hold time
5
ns
tsdid
SDI setup time
5
ns
tsdih
SDI hold time
5
ns
tsckph
Minimum SCK high time
0.35 tsckr
ns
tsckpl
Minimum SCK low time
0.35 tsckr
ns
Note TDSP = dsp master clock cycle time = 1/FDSP
TDA7503
10/26



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