參數(shù)資料
型號(hào)： MCF5251_07
廠商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述： ColdFire㈢ Microprocessor Data Sheet
中文描述： ㈢的ColdFire微處理器的數(shù)據(jù)資料
文件頁(yè)數(shù)： 1/32頁(yè)
文件大?。?/td> 299K
代理商： MCF5251_07
Freescale Semiconductor, Inc., 2005, 2006, 2007. All rights reserved.
Freescale Semiconductor
Data Sheet: Technical Data
Freescale reserves the right to change the detail specifications as may be required to permit improvements in the design of its
products.
Document Number: MCF5251
Rev. 2.2, 04/2007
MCF5251
Package Information
MAPBGA–225
Ordering Information: See
Table 1
on page 2
1
Introduction
This document provides an overview of the MCF5251
ColdFire processor and general descriptions of the
MCF5251 features and modules. Also provided are
electrical specifications, pin assignments, and package
diagrams for MCF5251 ColdFire
processor. For
functional characteristics, refer to the
MCF5251
Reference Manua
l (MCF5251RM).
The MCF5251 is a system controller/decoder for
compressed audio music players addressing both
portable and automotive solutions supporting CD, HDD
and USB based systems. The 32-bit ColdFire core with
enhanced multiply and accumulate (eMAC) unit
provides optimum performance and code density for the
combination of control code and signal processing
required for compressed audio decode, file management,
and system control.
The MCF5251 is a general purpose system controller
with over 125 Dhrystone 2.1 MIPS @ 140 MHz
performance. The integrated peripherals and EMAC
allow the MCF5251 to replace both the microcontroller
MCF5251 ColdFire
Microprocessor Data
Sheet
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1 Orderable Part Numbers . . . . . . . . . . . . . . 2
1.2 Block Diagram . . . . . . . . . . . . . . . . . . . . . . 3
2 Functional Description . . . . . . . . . . . . . . . . . . . 4
2.1 Version 2 ColdFire Core . . . . . . . . . . . . . . . 4
2.2 Module Inventory . . . . . . . . . . . . . . . . . . . . 4
3 Signal Description . . . . . . . . . . . . . . . . . . . . . . 6
4 Electrical Specifications . . . . . . . . . . . . . . . . . 11
4.1 SDRAM Bus Timing . . . . . . . . . . . . . . . . . 14
4.2 SPDIF Timing . . . . . . . . . . . . . . . . . . . . . . 15
4.3 Serial Audio Interface Timing . . . . . . . . . . 16
4.4 DDATA/PST/PSTCLK Debug Interface . . 16
4.5 BDM and JTAG Timing . . . . . . . . . . . . . . 16
5 Package Information and Pinout . . . . . . . . . . 18
5.1 Pin Assignment . . . . . . . . . . . . . . . . . . . . 18
5.2 Package Drawing . . . . . . . . . . . . . . . . . . . 24
6 Product Documentation . . . . . . . . . . . . . . . . . 31
6.1 Revision History . . . . . . . . . . . . . . . . . . . . 31
相關(guān)PDF資料
PDF描述
MCF5251 ColdFire Processor
MCF5253 ColdFire㈢ Microprocessor Data Sheet
MCF5270AB100 Integrated Microprocessor Hardware Specification
MCF5270 32-bit Embedded Controller Division
MCF5327 Microprocessor Data Sheet
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