Datasheet > TDA7590

TDA7590

更新时间： 2024-02-25 09:11:55

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
40页	342K
描述
Digital signal processing IC for speech and audio applications

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TDA7590 数据手册

TDA7590

Digital signal processing IC for speech and

audio applications

Preliminary Data

Features

■ 24-bit, fixed point, 120 MIPS DSP core

■ Large on-board memory (128KW-24 bit)

■ Host access to internal RAM through

TQFP144

expansion port

■ Access to external RAM (16Mw) through

expansion port

Nevertheless, the embedded CODECs bandwidth

and the generic processing engine allow to

proceed also full-band audio signals. The large

amount of on-chip memory (128 Kwords),

together with the 16 Mwords external memory

addressable and the 32 general purpose I/O pins

permit to build a DSP-system avoiding the usage

of an additional Microcontroller.

■ Integrated stereo, 18-bit Sigma-DELTA A/D

and 20-bit D/A converters

■ Programmable CODEC sample rate up to

48KHz

■ On-board PLL for core clock and converters

■ External flash / SRAM memory bank

management

The presence of serial and parallel interfaces

allows easy connection with external devices

including CODECs, DSPs, Microprocessors and

Personal Computers.

■ I C and SCI serial interface for external control

■ 2 ESSI interface

■ JTAG interface

In particular, the Debug/JTAG interface permits

the on-chip emulation of the firmware developed.

Further, the presence of the Timers and

Watchdog Block makes TDA7590 suitable for

PWM processing and allows the integration of a

system Watchdog.

■ Host interface

■ 144-pin TQFP, 0.50mm pitch

■ Automotive temperature range (from -40°C to

+85°C)

Description

Applications

The TDA7590 is a high performances, fully

programmable 24-bit, 120 MIPS. Digital Signal

Processor (DSP), designed to support several

speech and audio applications, as Automatic

Speech Recognition, Speech Synthesis, MP3

Decoding, Echo and Noise Cancellation.

Real time digital speech and audio processing:

speech recognition, speech synthesis, speech

compression, echo canceling, noise canceling,

MP3 decoding.

Order codes

Part number

Package

TQFP144 (20x20x1.0 exposed pad down)

Packing

E-TDA7590⁽¹⁾

E-TDA7590TR⁽¹⁾

Tube

Tape & Reel

1. ECOPACK® (see Chapter 9)

April 2006

Rev 1

1/40

This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to

change without notice.

www.st.com

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中文翻译

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