Emerson / Motorola MVME197LE Single Board Computer

The Emerson/Motorola MVME197LE is a double-high VMEmodule single board computer built around the MC88110 RISC microprocessor. It delivers computing for embedded industrial applications including control systems, communications, and automation. The module integrates comprehensive I/O capabilities - serial ports, SCSI, Ethernet, and printer interface - with VMEbus master/slave connectivity and on-board timing/monitoring functions, making it suitable for deployment in harsh environments.

Technical Specifications Processor & Memory

MC88110 RISC microprocessor

DRAM: 32/64 MB (expandable to 256 MB on select configurations)

FLASH Memory: 1 MB

Static RAM: 8 KB with battery backup

BOOT ROM: 128/256 KB Onboard Peripherals

Four serial ports (EIA-232-D)

SCSI bus interface with DMA

Ethernet transceiver interface

Centronics-compatible printer port

Time of Day Clock with battery backup

Watchdog Timer

Six Tick Timers VMEbus Interface

A16/A24/A32/D8/D16/D32 master/slave operation

VMEchip2 DMA controller supporting 64-bit Block Transfer (BLT)

VMEbus System Controller and interrupt handling Custom ASICs

BusSwitch: MC88110-to-MC68040-compatible peripheral bus interface with arbitration, seven-level interrupt handler, programmable decoders, and write post buffers

DCAM: DRAM controller with address multiplexing and RAS/CAS/WRITE control

ECDM: 16-bit data path handler with single-bit error correction and double-bit detection

PCC2: Peripheral Channel Controller managing timers, LAN, SCSI, serial, printer, and BBRAM interfaces

VME2: VMEbus interface, timing, watchdog, DMA control, and system management

Key Features

Double-high VME form factor

Battery-backed real-time clock and static RAM

Single-bit error correction and double-bit detection via ECDM ASIC

Programmable address decoders for flexible memory mapping

Mezzanine Memory Expansion Module support

Typical Applications Industrial control systems, embedded communications, process automation, and monitoring requiring reliable real-time operation and high I/O bandwidth.

Compatibility & Integration Supports transition boards MVME712M, MVME712A, MVME712AM, MVME712B, MVME712-12, and MVME712-13. I/O signal routing via P2 Adapter Board or LCP2 Adapter board. Operating temperature: 0° to 55° C with forced air cooling (typically 100 CFM axial fan).