MOTOROLA MVME761-001

• VMEbus Interface:
  • VME64x (ANSI/VITA 1-1997) compliant
  • 64-bit data path with 32-bit addressing (A64/D64)
  • Supports 2eSST (2e Short Transfer) protocol for high-speed data transfers
  • Maximum throughput up to 160 MB/s in 2eSST mode
  • P0/J0 and P2/J2 high-density connectors
  • Full master/slave functionality with support for multiple address spaces and DMA
• Local I/O Interfaces:
  • Two 10/100/1000 Mbps Ethernet ports (Gigabit Ethernet)
  • Four RS-232/422/485 serial ports
  • Two USB 1.1 host ports
  • Two independent IDE/ATAPI channels for storage devices
  • Parallel interface (printer port)
  • General-purpose digital I/O lines and programmable timers
• Expansion and Mezzanine Support:
  • One or two PMC (PCI Mezzanine Card) sites (configuration dependent)
  • Supports both I/O and processor PMC modules
  • Rear I/O via P2 connector for integration with RTMs such as MVME761M or MVME712M
• Operating Systems Support:
  • VxWorks
  • Linux (including real-time distributions)
  • LynxOS
  • pSOSystem
  • Windows Embedded
• Environmental Specifications:
  • Operating temperature:
    • Air-cooled: 0°C to +55°C
    • Conduction-cooled: -40°C to +85°C
  • Storage temperature: -55°C to +105°C
  • Humidity: 5% to 95% non-condensing
  • Shock and vibration: Compliant with MIL-STD-810 and NEBS requirements
• Power Requirements:
  • +5 VDC typical
  • Power consumption ranges from 12W to 20W depending on configuration and workload

Key Features

• High-Performance PowerPC Core:
  • Utilizes the PowerPC 750FX/GX processor for efficient execution of embedded and real-time applications
  • High clock speed and integrated L2 cache enable strong processing throughput
• Advanced VMEbus Implementation:
  • Full support for VME64x features including A64/D64 addressing and 2eSST transfers
  • Optimized for high-bandwidth applications such as radar, signal processing, and communications switching
• Dual Gigabit Ethernet:
  • Provides high-speed networking for system interconnect, data logging, and remote management
  • Supports full-duplex operation and jumbo frames for improved efficiency
• Comprehensive Onboard I/O:
  • Integrated serial, USB, IDE, and parallel interfaces reduce dependency on additional mezzanine cards
  • Serial ports support multiple standards for compatibility with industrial peripherals
• PMC Expansion Capability:
  • PMC sites allow for system customization with FPGAs, DSPs, additional network interfaces, or specialized I/O
• Reliability and Longevity:
  • Designed for extended lifecycle deployment (15+ years) in critical systems
  • Conduction-cooled versions available for extreme environmental conditions
• Development and Debugging Support:
  • Onboard MVME Monitor firmware for boot management, diagnostics, and low-level configuration
  • JTAG interface for hardware debugging and boundary scan testing

Application Areas

• Military and aerospace systems including avionics, radar signal processing, and electronic warfare
• Industrial automation and real-time control systems
• Telecommunications infrastructure such as switches, routers, and baseband units
• Medical imaging and diagnostic equipment
• Test and measurement instrumentation
• Rail signaling and transportation control systems
• Scientific data acquisition and high-performance embedded computing platforms

Manufacturer and Support

The MVME761-001 was developed by Motorola’s Embedded Communications division, which transitioned through Force Computers, GE Intelligent Platforms, Emerson Network Power, and later became part of Abaco Systems. While no longer in active production, the MVME761-001 remains in widespread use across legacy and long-life-cycle systems. Technical documentation, spare units, and integration support are available through specialized industrial automation suppliers and embedded systems lifecycle management providers. Due to its proven reliability, extensive I/O, and compatibility with real-time operating systems, the MVME761-001 continues to be a trusted solution in mission-critical embedded applications requiring sustained performance and long-term serviceability.