TDA7502 STMicroelectronics, TDA7502 Datasheet - Page 11

• Manufacturer Part Number: TDA7502
• Description: IC DSP IN-CAR REMOTE AMP 44-LQFP
• Manufacturer: STMicroelectronics
• Type: Audio Processorr

Specifications of TDA7502

• Applications: Automotive Systems
• Mounting Type: Surface Mount
• Package / Case: 44-LQFP
• Device Core Size: 24b
• Format: Fixed Point
• Clock Freq (max): 50MHz
• Mips: 50
• Device Input Clock Speed: 50MHz
• Ram Size: 6KB
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3.15V
• Operating Supply Voltage (max): 3.45V
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 44
• Package Type: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TDA7502
3
SAI interface
Figure 4.
Table 11.
Note: T
Figure 5.
Timing
t
(RCKP=0)
t
t
t
sckph
t
sckpl
LRCKR
sckr
t
sdid
sdih
t
SDI0-3
t
SDI0,1,2 (#20, #21, #22)
SCKR
lrs
lrh
dt
DSP
LRCKR (#23)
SCKR (#24)
= dsp master clock cycle time = 1/F
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
SAI timings
Cycles
SAI protocol when RLRS=0; RREL=0; RCKP=1; RDIR=0
LEFT
LSB(n-1)
t
dt
Description
t
sckpl
MSB(word n)
DSP
t
sdis
t
lrs
VALID
VALID
MSB-1 (n)
t
RIGHT
sdih
t
t
sckr
lrh
MSB-2 (n)
t
sckph
0.35 t
0.35 t
4T
Value
10
15
15
5
5
DSP
D02AU1358
sckr
sckr
SAI interface
D02AU1357
Unit
ns
ns
ns
ns
ns
ns
ns
ns
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