Emerson / Motorola MVME162-510A Embedded Controller

The Emerson / Motorola MVME162-510A is a VMEbus-based embedded controller designed for industrial, telecommunications, transportation, and defense applications requiring real-time control, data acquisition, and computational performance. Built around the Motorola 68040 microprocessor family, this single-board computer delivers processing power in a compact form factor with extensive memory options, multiple communication interfaces, and DMA capabilities for high-speed data transfers.

Technical Specifications Processor Options

32 MHz MC68040 with 8KB cache, MMU, and FPU

25 MHz MC68040 with 8KB cache, MMU, and FPU

25 MHz MC68LC040 with 8KB cache and MMU (no FPU)

33 MHz MC68040 or MC68LC040 variants Memory Configuration

DRAM: 1MB, 4MB, 8MB, or 16MB parity-protected or unprotected

SRAM: 512KB (or 128KB in specific configurations) with battery backup

NVRAM: 8K x 8 with time-of-day clock and battery backup

Flash: 1MB or 2MB on-board for firmware and boot code

EPROM: One 32-pin PLCC socket VMEbus Interface

A32/D64 master/slave with system controller support

A16/A24/A32 and D8/D16/D32 address and data widths

VMEchip2 ASIC integrating VME interface, local-to-VMEbus DMA, and GCSR

D64 burst DMA for VMEbus and local memory cycles

Optional non-VMEbus configuration available Communication Interfaces

Two serial ports: console (EIA-232-D DTE) and user-configurable (EIA-232-D/EIA-422 or EIA-232-D/EIA-530)

Four IndustryPack ports (16- or 32-bit) with dedicated DMA per port

Optional SCSI bus interface with 32-bit local bus burst DMA

Optional Ethernet LAN transceiver with 32-bit local bus DMA

Key Features

Configurable processor speeds and FPU options for application-specific optimization

Battery-backed SRAM and NVRAM for persistent data retention

Flexible memory expansion to 16MB DRAM supports demanding applications

Multiple DMA channels enable parallel I/O operations without CPU overhead

IndustryPack expansion provides modular I/O capabilities

Typical Applications Real-time control systems, telecommunications switching equipment, transportation management, defense-grade data acquisition, and distributed embedded systems requiring VMEbus integration.

Compatibility & Integration Full VMEbus compliance with A/D address and D data width support. Compatible with IndustryPack peripheral modules. Serial interfaces support standard EIA protocols. Optional SCSI and Ethernet interfaces extend connectivity for networked and storage-intensive deployments.