E-TDA7590 STMicroelectronics, E-TDA7590 Datasheet - Page 18

• Manufacturer Part Number: E-TDA7590
• Description: IC DSP SPEECH/AUDIO 144-TQFP
• Manufacturer: STMicroelectronics
• Type: Signalr

Specifications of E-TDA7590

• Applications: Speech Recognition
• Mounting Type: Surface Mount
• Package / Case: 144-TQFP Exposed Pad, 144-eTQFP, 144-HTQFP, 144-VQFP
• Device Core Size: 24b
• Format: Fixed Point
• Clock Freq (max): 120MHz
• Mips: 120
• Device Input Clock Speed: 120MHz
• Ram Size: 384KB
• Operating Supply Voltage (typ): 1.8/3.3V
• Operating Supply Voltage (min): 1.62/3V
• Operating Supply Voltage (max): 1.98/3.6V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 144
• Package Type: TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Memories
6
18/42
Memories
128 K x 24-bit RAM divided into 4 areas, program RAM(PRAM), X data RAM(XRAM), Y
data RAM(YRAM) and flexible allocation RAM(FLEX) as follows:
●
●
●
●
16 kB PRAM
40 kB FLEX RAM. FLEX RAM is accessed through the expansion port by the DSP
core.
External access to the FLEX RAM is also supported.
72 kB RAM is allocated as XRAM and YRAM. Four configurations are supported:
–
–
–
–
4 kB XRAM and 68 kB YRAM
8 kB XRAM and 64 kB YRAM
16 kB XRAM and 56 kB YRAM
24 kB XRAM and 48 kB YRAM
TDA7590