DSP56004UMSLASHAD datasheet(1/82 Pages) FREESCALE

tên linh kiện	DSP56004UM/AD

Giải thích chi tiết về linh kiện	SYMPHONY AUDIO DSP FAMILY 24-BIT DIGITAL SIGNAL PROCESSORS

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MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

DSP56004

DSP56004ROM

Order this document by:

DSP56004/D, Rev. 3

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,

ATRAC, and Lucasfilm Home THX processing. Software for these applications is licensed by

Motorola for integration into products like audio/video receivers, televisions, and automotive

sound systems with such user-developed features as digital equalization and sound field

processing. The DSP56004 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.

Figure 1 DSP56004 Block Diagram

Y Data

Memory*

X Data

Memory*

Program

Memory*

Program Control Unit

24-Bit

DSP56000

Core

OnCETM Port

PLL

Clock

Gen.

4

9

5

29

16-Bit Bus

24-Bit Bus

Interrupt

Control

4

IRQA

, IRQB, NMI, RESET

4

3

Address

Generation

Unit

PAB

XAB

YAB

GDB

PDB

XDB

YDB

General

Purpose

Input/

Output

External

Memory

Interface

(EMI)

Serial

Audio

Interface

(SAI)

Serial

Host

Interface

(SHI)

AA0248

*Refer to Table 1 for memory configurations.

Internal

Data

Bus

Switch

Program

Decode

Controller

Program

Address

Generator

Data ALU

24

× 24 + 56 → 56-bit MAC

Two 56-Bit Accumulators

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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