描述
一、产品概述
MOTOROLA MVME162-512A是一款基于VME总线的嵌入式控制器，专为工业自动化、通信、能源管理等领域设计，支持高可靠性、多协议通信和模块化扩展。其核心功能包括实时数据处理、设备控制与远程监控，适用于恶劣工业环境。
二、核心功能与特点
处理器架构
微处理器选项：可选MC68040（带浮点协处理器，主频25MHz/32MHz）或MC68LC040（无浮点协处理器，主频25MHz），支持8KB高速缓存与MMU（内存管理单元）。
实时性能：任务切换延迟低于50μs，适配多任务并发场景。
存储与内存
DRAM：标配1MB/4MB/8MB（奇偶校验保护），支持扩展至16MB（部分型号可达64MB）。
SRAM：512KB带备用电池，确保断电数据不丢失。
闪存：1MB（旧型号）或2MB（新型号），用于固件存储与升级。
NVRAM：8K×8非易失性存储器，搭配备用电池时钟（TOD）。
通信接口
串口：2个EIA-232-D/EIA-422/EIA-530串口，支持DTE/DCE模式。
以太网：可选带DMA的LAN接口（Intel 82596CA控制器），支持高速数据传输。
SCSI：可选带DMA的小型计算机系统接口（NCR 53C710控制器）。
VME总线：A32/D64主/从接口，支持本地总线与VME总线数据传输。
定时与扩展功能
定时器：6个带看门狗的32位定时器，用于事件触发与系统监控。
IndustryPack接口：4个32位模块化接口，支持扩展I/O、模拟/数字信号处理等功能，最多可安装4个单宽或2个双宽模块。
DMA控制器：支持VME总线与本地总线突发传输，提升数据处理效率。
环境适应性
工作温度：-40°C至+85°C（部分型号），适应严苛工业环境。
防护等级：未明确标注，但采用工业级元器件与三防涂覆工艺，通过盐雾测试（1000小时）。
电源输入：+5V±5%（典型功耗20W），部分型号支持±12V输入。
MVME162-512A
MVME162-512A
1.Product Overview
MOTOROLA MVME162-512A is an embedded controller based on VME bus,designed for industrial automation,communications,energy management and other fields,supporting high reliability,multi-protocol communication and modular expansion.Its core functions include real-time data processing,equipment control and remote monitoring,which are suitable for harsh industrial environments.
2.Core functions and features
Processor architecture
Microprocessor options:Optional MC68040(with floating point coprocessor,main frequency 25MHz/32MHz)or MC68LC040(without floating point coprocessor,main frequency 25MHz),supporting 8KB cache and MMU(memory management unit).
Real-time performance:The task switching delay is less than 50μs,suitable for multi-task concurrent scenarios.
Storage and memory
DRAM:1MB/4MB/8MB(parallel protection)is standard,and supports expansion to 16MB(some models can reach 64MB).
SRAM:512KB with backup battery to ensure that power-off data is not lost.
Flash memory:1MB(old model)or 2MB(new model)for firmware storage and upgrades.
NVRAM:8K×8 nonvolatile memory,equipped with a battery clock(TOD).
Communication interface
Serial port:2 EIA-232-D/EIA-422/EIA-530 serial ports,supporting DTE/DCE mode.
Ethernet:Optional LAN interface with DMA(Intel 82596CA controller),supports high-speed data transmission.
SCSI:Optional small computer system interface with DMA(NCR 53C710 controller).
VME bus:A32/D64 master/slave interface,supports local bus and VME bus data transmission.
Timing and extension functions
Timer:6 32-bit timers with watchdogs for event triggering and system monitoring.
IndustryPack interface:4 32-bit modular interfaces,supporting extended I/O,analog/digital signal processing and other functions,and can install up to 4 single-width or 2 dual-width modules.
DMA controller:supports burst transmission between VME bus and local bus,improving data processing efficiency.
Environmental adaptability
Operating temperature:-40°C to+85°C(some models),adapted to harsh industrial environments.
Protection grade:Not clearly marked,but industrial-grade components and three-proof coating process are used to pass salt spray testing(1000 hours).
Power input:+5V±5%(typical power consumption 20W),some models support±12V input.
