Motorola MVME167PA-25SE

Motorola MVME167PA-25SE

Product Introduction
The Motorola MVME167PA-25SE is a high-performance, 6U VMEbus single-board computer (SBC) designed for industrial automation, OEM system design, and laboratory environments. It belongs to the MVME1X7P series and is distinguished by its integration of the “Petra” application-specific integrated circuit (ASIC), which consolidates multiple functions into a single chip to enhance system efficiency and reliability.

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Description

Motorola MVME167PA-25SE

Technical Specifications

  • Microprocessor: MC68040 running at a clock speed of 25 MHz.
  • Memory: 16MB of synchronous DRAM (SDRAM), configurable to emulate ECC-protected DRAM.
  • Storage: 128KB of SRAM with battery backup and four 44-pin PLCC EPROM sockets.
  • Power Draw: Requires +5Vdc at 3.5A typical (4.5A max) and +12Vdc at 100mA typical.

Functional Features

  • Integrated ASIC: Features the Petra ASIC for efficient memory management and VMEbus interfacing.
  • Rich I/O: Includes four EIA-232-D serial ports, an Ethernet interface with DMA, and a SCSI bus with DMA.
  • System Control: Operates as a VMEbus system controller with support for A24/A32 and D16/D32/D64BLT block transfers.
  • Diagnostics: Front-panel LEDs indicate FAIL, STAT, RUN, SCON, LAN, +12V, SCSI, and VME status.

Application Scenarios

  • Industrial Control: Distributed Control Systems (DCS) and Programmable Logic Controllers (PLCs).
  • Heavy Manufacturing: Steel rolling mills, papermaking, and chemical processing lines.
  • OEM Integration: Embedded computing for laboratory and test equipment.

Performance Parameters

  • Operating Temperature: 0°C to 55°C with forced air cooling (approx. 490 LFM).
  • Storage Temperature: -40°C to +85°C.
  • Humidity: 5% to 90% non-condensing.

Material Composition

  • Constructed from high-grade FR4 multi-layer PCB, industrial-grade silicon, and an onboard lithium backup battery.

Structural Characteristics

  • Form Factor: Standard double-high 6U VMEbus module.
  • Dimensions: Board height 9.187 inches, depth 6.299 inches, thickness 0.662 inches.

Working Principle
The MC68040 processor executes real-time operating system instructions, managing data flow between local SDRAM, VMEbus peripherals, and external I/O via dedicated DMA channels and the Petra ASIC.

Installation Requirements

  • Must be installed in a standard 6U VME chassis with adequate forced-air cooling directed across the board surface.

Usage Precautions

  • Always use an ESD wrist strap when handling. Never short-circuit or incinerate the onboard lithium battery. Ensure proper grounding to the backplane.

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