描述
MOTOROLA MVME5500是一款高性能、工业级嵌入式计算机模块，专为复杂控制系统和数据密集型应用设计。以下是其核心功能与技术特点的综合解析：
一、产品概述
MVME5500基于PowerPC架构，采用VMEbus总线标准，适用于工业自动化、航空航天、医疗成像、轨道交通等领域。其设计注重高可靠性、实时性与扩展性，支持多种操作系统（如VxWorks、Linux、QNX）及通信协议，可满足严苛环境需求。
二、核心特性
高性能处理器
搭载MPC7455/MPC7457处理器，主频高达1 GHz，集成256KB二级缓存与2MB三级缓存，支持AltiVec协处理器，适用于复杂算法与实时任务。
支持对称多处理（SMP）模式，可扩展至多核架构，提升多任务并行处理能力。
内存与存储
标配512MB ECC SDRAM（可扩展至1GB/2GB），支持纠错功能，保障数据完整性。
集成40MB闪存（32MB焊接+8MB插槽），支持从闪存启动操作系统，并可通过CompactFlash扩展存储。
通信与接口
以太网：双千兆以太网接口（RJ-45），兼容TCP/IP、Modbus TCP等协议，支持冗余网络配置。
总线扩展：双64位/66 MHz PCI总线、双PMC站点，支持最多4个扩展模块，兼容33/66 MHz速率。
串口与工业协议：2个RS-232/422/485串口，支持PROFIBUS、CANopen等工业总线协议（需选配模块）。
工业级设计
环境适应性：工作温度范围-40°C至+85°C，抗电磁干扰（EMI）符合IEC 61000-4标准。
电源保护：双冗余电源输入（5V/±12V），具备过压、过流、短路保护功能。
无风扇散热：全金属导热设计，确保长期稳定运行。
三、技术规格
处理器型号：MPC7455/MPC7457（1 GHz）
内存：512MB ECC SDRAM（可扩展至2GB）
存储：40MB闪存+CompactFlash扩展
通信接口：双千兆以太网、双RS-232/422/485串口
扩展能力：双PCI总线、双PMC站点（支持4个扩展模块）
尺寸：233.4mm×160mm（6U VME单槽）
MOTOROLA MVME5500 is a high-performance,industrial-grade embedded computer module designed for complex control systems and data-intensive applications.The following is a comprehensive analysis of its core functions and technical features:
I.Product Overview
The MVME5500 is based on the PowerPC architecture and adopts the VMEbus bus standard.It is suitable for industrial automation,aerospace,medical imaging,rail transportation and other fields.Its design focuses on high reliability,real-time and scalability,supports a variety of operating systems(such as VxWorks,Linux,QNX)and communication protocols,and can meet the needs of harsh environments.
II.Core Features
High-performance processor
Equipped with MPC7455/MPC7457 processor,the main frequency is up to 1 GHz,integrated 256KB L2 cache and 2MB L3 cache,supports AltiVec coprocessor,suitable for complex algorithms and real-time tasks.
Supports symmetric multi-processing(SMP)mode,can be expanded to multi-core architecture,and improves multi-task parallel processing capabilities.
Memory and Storage
Standard 512MB ECC SDRAM(expandable to 1GB/2GB),supports error correction function,and ensures data integrity.
Integrated 40MB flash memory(32MB soldered+8MB slot),supports booting the operating system from flash memory,and can expand storage through CompactFlash.
Communication and Interface
Ethernet:Dual Gigabit Ethernet interface(RJ-45),compatible with TCP/IP,Modbus TCP and other protocols,supports redundant network configuration.
Bus expansion:Dual 64-bit/66 MHz PCI bus,dual PMC site,supports up to 4 expansion modules,compatible with 33/66 MHz rate.
Serial port and industrial protocol:2 RS-232/422/485 serial ports,supports industrial bus protocols such as PROFIBUS and CANopen(optional module required).
Industrial-grade design
Environmental adaptability:operating temperature range-40°C to+85°C,anti-electromagnetic interference(EMI)complies with IEC 61000-4 standard.
Power protection:dual redundant power input(5V/±12V),with overvoltage,overcurrent,and short circuit protection functions.
Fanless heat dissipation:full metal thermal conductive design to ensure long-term stable operation.
III.Technical specifications
Processor model:MPC7455/MPC7457(1 GHz)
Memory:512MB ECC SDRAM(expandable to 2GB)
Storage:40MB flash memory+CompactFlash expansion
Communication interface:dual Gigabit Ethernet,dual RS-232/422/485 serial port
Expansion capability:dual PCI bus,dual PMC site(supports 4 expansion modules)
Size:233.4mm×160mm(6U VME single slot)
