Datasheet > DSP56009DS

DSP56009DS

更新时间： 2024-02-23 18:46:13

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DSP56009 24-Bit Digital Signal Processor Datasheet

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DSP56009DS 数据手册

Freescale Semiconductor, Inc.

MOTOROLA

Order this document by:

DSP56009/D, Rev. 1

SEMICONDUCTOR TECHNICAL DATA

DSP56009

SYMPHONY AUDIO DSP FAMILY

24-BIT DIGITAL SIGNAL PROCESSORS

Motorola designed the Symphony™ family of high-performance, programmable Digital Signal

Processors (DSPs) to support a variety of digital audio applications, including Dolby ProLogic,

Dolby AC-3 Surround, MPEG1 Layer 2, and Digital Theater Sound (DTS) processing. Software

for these applications is licensed by Motorola for integration into products like audio/ video

receivers, televisions, DVD applications, and automotive sound systems with such user-

developed features as digital equalization and sound field processing. The DSP56009 is an MPU-

style general purpose DSP, composed of an efficient 24-bit Digital Signal Processor core,

program and data memories, various peripherals optimized for audio, and support circuitry. As

illustrated in Figure 1, the DSP56000 core family compatible DSP is fed by program memory,

two independent data RAMs and two data ROMs, a Serial Audio Interface (SAI), Serial Host

Interface (SHI), External Memory Interface (EMI), dedicated I/ O lines, on-chip Phase Lock Loop

(PLL), and On-Chip Emulation (OnCE ) port. The DSP56009 has more on-chip memory than

the DSP56004 or DSP56007.

16-Bit Bus

24-Bit Bus

General

Purpose

Input/

Serial

External

Audio

Interface

(SAI)

Host

Interface

(SHI)

Memory

Interface

(EMI)

X Data

Memory*

Program

Memory*

Y Data

Memory*

Output

PAB

Address

Generation

Unit

24-Bit

DSP56000

Core

XAB

YAB

GDB

PDB

XDB

YDB

Internal

Data

Bus

Switch

OnCE Port

Program

Address

Generator

Program

Decode

Controller

Data ALU

24 × 24 + 56 → 56-Bit MAC

Two 56-Bit Accumulators

Interrupt

Control

Clock

PLL

Gen.

Program Control Unit

Refer to Table 1 for memory configurations.

IRQA, IRQB, NMI, RESET

AA0248

Figure 1 DSP56009 Block Diagram

For More Information On This Product,

Go to: www.freescale.com

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