基于MPC5125設計的開發評估方案

Freescale 公司的MPC5125是集成了高性能e300 Power架構CPU核的32位MCU,工作頻率高達400MHz,具有顯示器接口單元(DIU),DDR1,DDR2,低功耗移動DDR(LPDDR)以及1.8V/3.3V格SDR DRAM存儲器控制器，32KB SRAM,USB 2.0 OTG控制器等，主要用在現場總線到以太網網關，機器人，路由器和轉換器，高端照明，HVAC中央管理系統，智能醫院和遠程保健網關，POS終端等．本文介紹了MPC5125主要特性，方框圖，以及評估板詳細電路圖．

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目標應用:

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


圖1.MPC5125方框圖

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.

圖2.MPC5125 Tower System外形圖.


圖3.MPC5125評估板電路圖(1)

圖4.MPC5125評估板電路圖(2)

圖5.MPC5125評估板電路圖(3)

圖6.MPC5125評估板電路圖(4)

圖7.MPC5125評估板電路圖(5)

圖8.MPC5125評估板電路圖(6)

圖9.MPC5125評估板電路圖(7)

圖10.MPC5125評估板電路圖(8)

圖11.MPC5125評估板電路圖(9)

圖12.MPC5125評估板電路圖(10)

圖13.MPC5125評估板電路圖(11)

圖14.MPC5125評估板電路圖(12)

圖15.MPC5125評估板電路圖(13)

圖16.MPC5125評估板電路圖(14)

圖17.MPC5125評估板電路圖(15)

圖18.MPC5125評估板電路圖(16)