The Emerson/Motorola MVME197LE is a double-high VMEmodule single board computer built around the MC88110 RISC microprocessor. It delivers high-performance 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 mission-critical 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 mission-critical 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).
