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TDA7502 データシートの表示(PDF) - STMicroelectronics
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TDA7502
In-car remote amplifier DSP
STMicroelectronics
TDA7502 Datasheet PDF : 25 Pages
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TDA7502
3
SAI interface
Figure 4. SAI timings
SDI0-3
VALID
SAI interface
LRCKR
SCKR
(RCKP=0)
t
sckpl
t
dt
VALID
t
lrh
t
lrs
t
sdis
t
sdih
t
sckr
t
sckph
D02AU1357
Table 11. Cycles
Timing
Description
t
sckr
t
dt
t
lrs
t
lrh
t
sdid
t
sdih
t
sckph
t
sckpl
Minimum Clock Cycle
SCKR active edge to data out valid
LRCK setup time
LRCK hold time
SDI setup time
SDI hold time
Minimum SCK high time
Minimum SCK low time
Value
4T
DSP
10
5
5
15
15
0.35 t
sckr
0.35 t
sckr
Unit
ns
ns
ns
ns
ns
ns
ns
ns
Note: T
DSP
= dsp master clock cycle time = 1/F
DSP
Figure 5. SAI protocol when RLRS=0; RREL=0; RCKP=1; RDIR=0
LRCKR (#23)
SCKR (#24)
LEFT
RIGHT
SDI0,1,2 (#20, #21, #22)
LSB(n-1) MSB(word n) MSB-1 (n)
MSB-2 (n)
D02AU1358
11/25
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