The Emerson/Motorola MVME162-010A is a VMEbus-based single-board computer engineered for industrial real-time control, data acquisition, and embedded communication systems. Built around the Motorola MC68LC040 32-bit microprocessor, this controller delivers deterministic performance in demanding applications requiring integration with existing VME infrastructure and field I/O expansion.
## Technical Specifications
**Processor & Memory**
• MC68LC040 core, 32-bit architecture, 25 MHz clock speed
• 8 KB cache with integrated Memory Management Unit
• 4 MB parity-protected DRAM, expandable to 16 MB
• 512 KB battery-backed SRAM
• 1 MB Flash memory for firmware and monitoring
• 8K × 8 NVRAM with Time-of-Day clock (battery-backed)
• Single 32-pin PLCC EPROM socket
**VMEbus Interface**
• VMEchip2 ASIC controller with A32/D64 master/slave capability
• System controller functionality integrated
• High-performance DMA for D64 VMEbus and local bus burst cycles
• Support for A16/A24/A32 and D8/D16/D32 bus widths
• Four-level requester, seven-level interrupter, seven-level interrupt handler
**I/O & Expansion**
• Two serial ports: EIA-232-D console, configurable second port (EIA-232-D or EIA-530 V.36)
• Serial electrical characteristics: ±8.5 V minimum output, ±2.25 V/±0.75 V input thresholds; ≤ 15 m recommended transmission distance
• Four MVIP IndustryPack interfaces (32-bit data path, one DMA channel per port)
• 8-bit bidirectional parallel interface
• Optional NCR53C710 narrow SE SCSI controller with 32-bit burst DMA
• Optional Intel 82596CA Ethernet controller with 32-bit DMA
## Key Features
• Modular expansion via up to four single-wide or two double-wide IndustryPack modules
• Battery-backed memory preserves time-critical data and real-time clock information
• Parity-protected main memory enhances system reliability
• Integrated DMA channels optimize communication throughput
## Typical Applications
Industrial control systems, data logging platforms, instrumentation controllers, and real-time embedded systems requiring VMEbus integration and field I/O customization.
## Compatibility & Integration
Designed for VME crate deployment with optional SCSI and Ethernet connectivity to expand system capabilities beyond the base board.
