Motorola  MVME-332XT总线控制器

1.产 品 资 料 介 绍：

Motorola MVME-332XT VMEbus 总线控制器解析

一、核心技术特性

1. 高性能 VME 总线控制与仲裁

• 主控制器能力：集成 32 位 VME 主控制器核心，支持 VMEbus 标准（ANSI/IEEE 1014-1987）及 VME64 扩展规范，可实现 16 位 / 32 位数据传输，峰值总线带宽达 40MB/s（32 位模式），适配 “多模块并行数据交互” 场景（如工业生产线多工位数据采集、雷达多通道信号汇总）；
• 智能总线仲裁：支持优先级仲裁（PRI）与循环仲裁（RR）两种模式，可根据模块重要性分配总线优先级（如将紧急控制指令模块设为最高优先级），避免总线冲突，保障高紧急度任务（如设备故障断电保护）的优先执行，中断响应延迟≤5μs；
• 多主支持：可作为 VME 系统的 “主仲裁器”，管理最多 15 个外部 VME 主模块（如多块 MVME162 单板机），实现多主协同控制，适配大型分布式系统（如跨区域电力调度、多节点工业控制）。

2. 灵活的模块管理与扩展

• 从模块适配：支持连接各类 VME 从模块（I/O 扩展板、通信模块、存储控制器等），通过地址映射功能为每个从模块分配独立总线地址空间，实现主控制器对从模块的精准访问与控制；
• 总线信号调理：内置信号驱动与滤波电路，补偿 VME 背板长距离传输（如 10 槽以上机箱）导致的信号衰减，提升总线传输距离与稳定性，减少数据传输误码率（误码率≤10⁻¹²）；
• 扩展接口：部分版本提供 VME 总线扩展接口，可通过专用线缆连接外部 VME 子机箱，实现 “主机箱 + 子机箱” 的分布式架构，扩展系统模块容量（如从 8 槽扩展至 24 槽），满足大型系统的模块数量需求。

Motorola MVME-332XT总线控制器 英文资料：

Motorola MVME-332XT Bus Controller

Product Overview

Motorola MVME-332XT is a bus controller module based on the VMEbus architecture, belonging to the Motorola MVME series of embedded control and interface products. Its main function is to serve as a bus master/arbitration unit, responsible for data transmission control, bus arbitration, signal timing coordination, and system resource management in the VME system. This module typically works in conjunction with MVME CPU boards (such as the MVME-2300 series) and various I/O boards to build high-performance real-time control and data acquisition platforms.

Technical Specifications

Bus standard: Complies with the VMEbus specification (compatible with VME64), supports master and slave modes.

Functional positioning: Bus arbitration, data buffering, signal management, ensuring bus communication efficiency and stability.

Data transmission capability: Supports high-speed data read/write and burst transmission, suitable for applications with high real-time requirements.

Interface resources: Provides standard VMEbus signal interfaces, compatible with Motorola series CPU modules and peripherals.

Reliability design: Equipped with electrical isolation, anti-interference, and fault tolerance capabilities, suitable for industrial and defense environments.

System support: Compatible with multiple real-time operating systems (such as VxWorks, pSOS, Lynx OS, etc.).

Application scenarios

industrial control

Used in production line control systems to achieve multi module coordination and real-time data communication.

Energy and Electricity

As the main bus control unit in the monitoring system of substations and power plants, it ensures data acquisition and scheduling.

Defense and Aerospace

Applied to radar systems, task computing platforms, and flight control systems, achieving high reliability bus arbitration.

communication equipment

As the core bus manager in switches, communication base stations, and data routing platforms.

Research and Testing

Used for large-scale experimental equipment and automated testing systems to achieve high-speed communication and synchronization between modules.

Product advantages

High reliability: Industrial and military grade design ensures stable operation in harsh environments.

Strong real-time performance: Optimized bus arbitration and data transmission mechanism to meet low latency requirements.

Flexible Expansion: Supports multiple VME module connections for easy system expansion.

Good system compatibility: seamlessly integrated with Motorola MVME series CPU boards and I/O modules.

Easy to maintain: modular structure design, easy to ｒｅｐｌａｃｅ and upgrade.

Motorola MVME-332XT总线控制器  产      品      展      示      

 产品视频

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The content is from Ruichang Mingsheng Automation Equipment Co., LTD

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