TDA7502 STMicroelectronics, TDA7502 Datasheet - Page 16

• 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

I2C timing
5
Figure 15. Definition of timing for the I
Table 14.
16/25
Symbol
t
t
t
t
t
SDA
SCL
HD:STA
HD:DAT
SU;STO
SU:STA
SU:DAT
t
F
t
t
HIGH
LOW
BUF
C
SCL
t
t
R
F
b
SCLl clock frequency
Bus free between a STOP and Start
Condition
Hold time (repeated) START condition.
After this period, the first clock pulse is
generated
LOW period of the SCL clock
HIGH period of the SCL clock
Set-up time for a repeated start condition
DATA hold time
Rise time of both SDA and SCL signals
Fall time of both SDA and SCL signals
Set-up time for STOP condition
Data set-up time
Capacitive load for each bus line
I
Definitions
t
t
BUF
HD:STA
2
C timing
Parameter
t
LOW
t
R
t
HD:DAT
2
C bus.
Cb in pF
t
Cb in pF
Test condition
HIGH
t
SU:DAT
Min.
250
4.7
4.0
4.0
4.7
4.7
Standard
0
0
–
–
4
–
I
t
2
SU:STA
mode
C bus
Max.
1000
100
400
300
--
–
–
–
–
–
–
–
t
HD:STA
20+0.1C
20+0.1C
Min.
1.3
0.6
1.3
0.6
0.6
0.6
Fast mode
0
--
–
0
I
2
t
F
C bus
t
SU:STO
b
b
Max.
400
300
300
100
400
0.9
–
–
–
–
–
–
TDA7502
D02AU1371
Unit
kHz
pF
μs
μs
μs
μs
μs
μs
ns
ns
μs
ns