scf5249 Freescale Semiconductor, Inc, scf5249 Datasheet

scf5249

Manufacturer Part Number

scf5249

Description

Scf5249 Integrated Coldfire

Manufacturer

Freescale Semiconductor, Inc

Datasheet

1.SCF5249.pdf (56 pages)

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Download datasheet (585Kb)

Freescale Semiconductor

Data Sheet

SCF5249 Integrated ColdFire®

Microprocessor Data Sheet

This document provides an overview of the SCF5249

ColdFire

SCF5249 features and its various modules.

The SCF5249 was designed as a system

controller/decoder for MP3 music players, especially

portable MP3 CD players. The 32-bit ColdFire core with

Enhanced Multiply Accumulate (EMAC) unit provides

optimum performance and code density for the

combination of control code and signal processing

required for MP3 decode, file management, and system

control.

Low power features include a hardwired CD ROM

decoder, advanced 0.18um CMOS process technology,

1.8V core power supply, and on-chip 96KByte SRAM.

MP3 decode requires less than 20MHz CPU bandwidth

and runs in on-chip SRAM with external access only for

data input and output.

The SCF5249 is also an excellent general purpose

system controller with over 125 Dhrystone 2.1 MIPS @

140MHz performance at a very competitive price. The

Introduction

processor and general descriptions of

Introduction..........................................................1

SCF5249 Block Diagram .....................................3

SCF5249 Feature Details ....................................3

160 MAPBGA Ball Assignments .........................6

SCF5249 Functional Overview............................7

General Device Information...............................12

Documentation ..................................................12

Signal Descriptions............................................13

Electrical Characteristics ...................................28

Pin-Out and Package Information .....................46

Document Number: SCF5249EC

Table of Contents

Rev. 0, 04/2005

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