标题: 基于MPC5125设计的低功耗MCU开发技术 [打印本页] 作者: liyf 时间: 2011-4-28 22:05 标题: 基于MPC5125设计的低功耗MCU开发技术 本文介绍MPC5125主要特性,功能方框图,以及TWR-MPC5125 MPU开发模块主要特性,方框图以及元件布局图.
MPC5125是Freescale 公司的低成本低功耗32位MCU,集成了高性能e300 CPU核,工作频率400MHz,32KB 片内SRAM,USB 2.0 OTG控制器以及DMA子系统,DDR1, DDR2, 低功耗移动DDR (LPDDR),和1.8 V/3.3 V SDR DRAM存储器控制器,以及多种接口.MPC5125目标应用在工业网络网关(路由器)和转换器,HVAC中央管理系统,POS终端,智能医院和远程医疗网关以及消防和告警监视系统等.
The MPC5125, a cost and power consumption optimized, automotive, industrial networking, and human-machine interface (HMI) solution. It helps reduce your development time, provides more communication peripherals at a competitive price and delivers ultra-low power without sacrificing performance.
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简化方框图
TWR-MPC5125 MPU模块
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.
The TWR-MPC5125 MPU module is part of the Freescale Tower System, a modular development platform that enables rapid prototyping and tool re-use through reconfigureable hardware. The TWR-MPC5125 features the MPC5125, a cost and power consumption optimized, industrial networking, automotive, and human-machine interface (HMI) solution. It helps reduce your development time, provides more communication peripherals at a competitive price and delivers ultra-low power without sacrificing performance.
TWR-MPC5125 MPU模块主要特性:
TWR-MPC5125 MPU Serial Card
4GB of MLC NAND flash
256 MB of DDR2
HDMI port with HDMI-DVI adaptor
USB2.0 OTG host/device port with 4:1 USB hub
On-board microphone and audio stereo out jack
10/100BaseT Ethernet port
CAN 2.0 A/B port
SD card interface Includes out-of-the-box experience including Quick Start Guide, auto play demo and board flashing lab
Board boots to auto play graphical demo driving display over HDMI port
Interrupt auto play demo for boot to MQX or Linux
Managed website to download desired demos/labs
Board flashing lab explains how to download demos/labs
Board control using keyboard/mouse over USB hub
TWR-SER Peripheral Module Features:
RS232 and RS485
Ethernet
CAN
USB supporting host, device and OTG modes
TWR-ELEV Features:
supports external communications interfaces
includes power regulation circuitry with standardized bus
four card-edge PCI Express connectors
two 80-pin connectors on the outside to support debugging or expansion to LCD module
Kit Contains
TWR-MPC5125 MPU serial module
TWR-SER - Serial module that features Ethernet, USB, RS232/485 and CAN
TWR-ELEV - Two elevator boards that provide structural integrity, communications interfaces, power regulation circuitry with standardized bus
HDMI to DVI-D Adaptor
Dual TypeA to MiniB USB Cable
MiniA to Female TypeA USB Cable
TypeA to DC Plug Cable
An interactive DVD with lab tutorials, software, training and collateral
A printed guide on how to quickly get started using the development kit.
