基于MPC5125设计的开发评估方案 -

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[导读]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

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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.