Motorola MEM162-008

Motorola MEM162-008

Product Introduction
The MEM162-008 is a dedicated memory expansion module designed specifically for the Motorola MVME162 series of VME embedded controllers. It provides additional DRAM capacity to support complex real-time operating systems and memory-intensive industrial applications.

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Description

Motorola MEM162-008

Technical Specifications

  • Memory Capacity: 8 MB of DRAM.
  • Memory Architecture: Non-interleaved architecture.
  • Form Factor: Compact mezzanine module designed to mount directly onto the MVME162 baseboard.
  • Data Protection: Supports parity protection for enhanced data integrity.

Functional Features

  • Seamless Expansion: Increases the total system memory of the MVME162 controller without occupying additional VMEbus slots.
  • Parity Checking: Hardware-level parity error detection with interrupt generation or bus exception capabilities.
  • Plug-and-Play Compatibility: Designed to integrate flawlessly with the MVME162 memory map decoder.

Application Scenarios
Ideal for upgrading legacy MVME162 systems in factory automation, process control, and telecommunications infrastructure where additional memory is required for larger application codebases.

Performance Parameters

  • Access Speed: Optimized to match the memory access cycles of the MVME162 controller.
  • Initialization: Requires a minimum of 10 initialization cycles to each bank of RAM before becoming fully operational.

Material Composition
Constructed using high-reliability industrial-grade printed circuit boards (PCBs) with high-quality DRAM chips and precision surface-mount components.

Structural Characteristics
A low-profile mezzanine board that stacks directly above the base MVME162 processor board, utilizing high-density board-to-board connectors.

Working Principle
The module connects directly to the memory bus of the microprocessor. The onboard DRAM map decoder programs the base address and size, allowing the CPU to access the additional 8 MB as a contiguous memory block.

Installation Requirements
Must be installed by aligning the mezzanine connectors and securing the module with the appropriate standoffs. System power must be completely disconnected during installation.

Usage Precautions
Handle with extreme care to avoid bending the mezzanine connector pins. Ensure the baseboard firmware is configured to recognize the expanded memory size.

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