基于MPC5125设计的开发评估方案

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基于MPC5125设计的开发评估方案
Freescale 公司的MPC5125是集成了高性能e300 Power架构CPU核的32位MCU,工作频率高达400MHz,具有显示器接口单元(DIU),DDR1,DDR2,低功耗移动DDR(LPDDR)以及1.8V/3.3V格SDR DRAM存储器控制器，32KB SRAM,USB 2.0 OTG控制器等，主要用在现场总线到以太网网关，机器人，路由器和转换器，高端照明，HVAC中央管理系统，智能医院和远程保健网关，POS终端等．本文介绍了MPC5125主要特性，方框图，以及评估板详细电路图．

The MPC5125 integrates a high performance e300 CPU core based on the Power Architecture? Technology with a rich set of peripheral functions focused on communications and systems integration.

MPC5125主要特性:

Major features of the MPC5125 are as follows:

? e300 Power Architecture processor core (enhanced version of the MPC603e core), operates as fast as 400 MHz

? Low power design

? Display interface unit (DIU)

? DDR1, DDR2, low-power mobile DDR (LPDDR), and 1.8 V/3.3 V SDR DRAM memory controllers

? 32 KB on-chip SRAM

? USB 2.0 OTG controller with ULPI interface

? DMA subsystem

? Flexible multi-function external memory bus (EMB) interface

? NAND flash controller (NFC)

? LocalPlus interface (LPC)

? 10/100Base Ethernet

? MMC/SD/SDIO card host controller (SDHC)

? Programmable serial controller (PSC)

? Inter-integrated circuit (I2C) communication interfaces

? Controller area network (CAN)

? J1850 byte data link controller (BDLC) interface

? On-chip real-time clock (RTC)

? On-chip temperature sensor

? IC Identification module (IIM)

MPC5125目标应用:

Fieldbus to Ethernet Gateways

Robotics

Industrial Networking Gateways (routers) and converters

High End Lighting Control

Fire & Alarm Supervisory Controllers

HVAC Central Management System

Digital Signage

Point of Sales Terminal

Hospital Bed Control

Smart Hospital and Tele-Health Gateways




图1.MPC5125方框图

The MPC5125 Tower System is based on Freescale’s MPC5125 microprocessor. The board provides on-board DDR2 SDRAM, NAND FLASH,CAN ports, USB 2.0, 10/100 Ethernet, HDMI,USB Debug Port.All powered from a 5 Volt wall mount power supply.
Freescale’s Tower System.



图2.MPC5125 Tower System外形图.




图3.MPC5125评估板电路图(1)



图4.MPC5125评估板电路图(2)



图5.MPC5125评估板电路图(3)



图6.MPC5125评估板电路图(4)



图7.MPC5125评估板电路图(5)



图8.MPC5125评估板电路图(6)



图9.MPC5125评估板电路图(7)



图10.MPC5125评估板电路图(8)



图11.MPC5125评估板电路图(9)



图12.MPC5125评估板电路图(10)



图13.MPC5125评估板电路图(11)



图14.MPC5125评估板电路图(12)



图15.MPC5125评估板电路图(13)



图16.MPC5125评估板电路图(14)



图17.MPC5125评估板电路图(15)



图18.MPC5125评估板电路图(16)