Motorola MVME172-243

Motorola MVME172-243

Product Brief The MVME172-243 is the full-featured counterpart to the MVME172-233, equipped with the 60 MHz MC68060 microprocessor instead of the LC variant. This model includes a hardware floating-point unit (FPU), making it suitable for applications requiring intensive mathematical computations. With 4MB ECC DRAM and identical I/O capabilities, it serves as the high-performance option within the 4MB memory tier of the MVME172 series.

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Description

Motorola MVME172-243

Technical Specifications

  • Processor: 60 MHz MC68060 32-bit microprocessor with integrated FPU
  • L1 Cache: 4KB instruction / 4KB data on-chip cache
  • FPU: Integrated hardware floating-point unit
  • Memory: 4MB ECC DRAM
  • Flash Memory: 2MB
  • SRAM: 128KB with battery backup
  • NVRAM: 8KB with real-time clock
  • VMEbus Interface: VMEchip2 ASIC with full A32/D64 support
  • Serial Ports: Four EIA-232-D DTE ports via 85230 controllers
  • SCSI: NCR 53C710 with burst DMA
  • Ethernet: Intel 82596CA with local bus DMA
  • IndustryPack: Two 16-bit or one 32-bit IP ports
  • Timers: Six 32-bit timers plus watchdog

Key Features

  • Full MC68060 with hardware FPU for floating-point acceleration
  • ECC memory protection
  • VME D64 and MBLT support
  • 32-bit local bus burst DMA for SCSI
  • Object-code compatibility with earlier 68K generations
  • On-board debugger and diagnostics
  • Remote Reset/Abort/Status control

Application Scenarios Scientific computing equipment, radar signal processing, image processing and analysis, industrial simulation systems, precision control systems, military fire control systems, avionics computing platforms

Performance Parameters

  • Processor Clock: 60 MHz
  • FPU: Hardware IEEE 754 compliant
  • Memory: 4MB ECC DRAM
  • SRAM: 128KB
  • Flash: 2MB
  • SCSI: 10MB/s synchronous, 5MB/s asynchronous
  • Ethernet: 10 Mbps with DMA
  • Serial: 38.4K bps maximum
  • Power: +5V at 1.75A typical, 2.0A maximum

Material Composition High-reliability industrial-grade components. The MC68060 and supporting chips use high-performance packaging. Gold-plated connectors ensure reliable connections in demanding environments.

Structural Characteristics Standard 6U VME form factor. Front panel includes RJ-45 serial connectors, DB-15 Ethernet, and 68-pin SCSI. Board-mounted LEDs provide visual status indication.

Working Principle The MC68060 superscalar processor executes integer and floating-point instructions in parallel. The integrated FPU provides single and double-precision floating-point operations. The VMEchip2 manages VMEbus interface while DMA engines handle high-speed I/O data transfers.

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