Datasheet > SCF5249LAG120

SCF5249LAG120

更新时间： 2024-10-03 03:33:15

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		微处理器
页数	文件大小	规格书
56页	918K
描述
Integrated ColdFire Microprocessor

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SCF5249LAG120 数据手册

Document Number: SCF5249EC

Freescale Semiconductor

Data Sheet

Rev. 0, 04/2005

SCF5249 Integrated ColdFire®

Microprocessor Data Sheet

Table of Contents

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

1 Introduction

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

This document provides an overview of the SCF5249

ColdFire processor and general descriptions of

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.

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

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

12 3 4 5 6 7...56

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