TDA7502 STMicroelectronics, TDA7502 Datasheet - Page 4

• 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

List of figures
List of figures
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Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin connection (Top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Maximum DSP clock frequency (Fdsp) versus junction temperature (Tj). . . . . . . . . . . . . . 10
SAI timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
SAI protocol when RLRS=0; RREL=0; RCKP=1; RDIR=0 . . . . . . . . . . . . . . . . . . . . . . . . . 11
SAI protocol when RLRS=1; RREL=0; RCKP=1; RDIR=1. . . . . . . . . . . . . . . . . . . . . . . . . 12
SAI protocol when RLRS=0; RREL=0; RCKP=0; RDIR=0. . . . . . . . . . . . . . . . . . . . . . . . . 12
SAI protocol when RLRS=0; RREL=1; RCKP=1; RDIR=0. . . . . . . . . . . . . . . . . . . . . . . . . 12
SPI clocking scheme. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Debug port serial clock timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Debug port acknowledge timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Debug port data I/O to status timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Debug port read timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Debug port DBCK next command after read register timing. . . . . . . . . . . . . . . . . . . . . . . . 15
Definition of timing for the I
Application schematic for TDA7502 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Block diagram of car amplifier audio sub-system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
TQFP44 (10x10) mechanical data & package dimensions. . . . . . . . . . . . . . . . . . . . . . . . . 23
2
C bus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
TDA7502