Emerson / Motorola MVME3100 VMEbus Single-Board Computer

The Emerson/Motorola MVME3100 is a VMEbus single-board computer engineered for high-performance, I/O-intensive applications in industrial, medical, and defense/aerospace environments. Built on the Freescale MPC8540 PowerQUICC III processor, this SBC delivers a cost-effective migration path from legacy VMEbus generations while maintaining full compatibility with existing infrastructure. The MVME3100 combines modern SoC efficiency with proven VME64 architecture, enabling performance upgrades without system redesign.

## Technical Specifications

**Processor & Memory**
• Freescale MPC8540 PowerQUICC III with PowerPC e500 core (667 MHz or 833 MHz)
• L1 Cache: 32 KB instruction / 32 KB data
• L2 Cache: 256 KB look-aside
• DDR1 ECC SDRAM, DDR333 (166 MHz), up to 512 MB via single SODIMM
• On-board Flash: 64 MB or 128 MB soldered with hardware/software write protection

**VMEbus Interface**
• 2eSST protocol with Tundra Tsi148 chipset
• Data transfer rate: 320 MB/s
• A32/A64/D64 master/slave operation; VME64 compliant

**Expansion**
• Dual PMC/PMC-X slots supporting 33–100 MHz PCI speeds and 5V/3.3V signaling
• 32/64-bit, 33 MHz PCI for expansion carriers
• MVME721 Rear Transition Module for I/O routing

**Networking & I/O**
• Dual 10/100/1000Base-Tx Gigabit Ethernet ports
• One 10/100 Mbps Ethernet port
• Five RS-232 serial ports (16550 compliant)
• Dual Serial ATA (SATA) ports
• USB 2.0 controller

**Firmware**
• MOTLoad monitor/debugger with power-on self-test, initialization, and OS boot capabilities

## Key Features

• ECC memory support for data integrity in mission-critical deployments
• Configurable I/O voltage (5V or 3.3V) for PMC/PMC-X compatibility
• Hardware write protection via switch or sector-level locking
• Tundra Tsi148 VMEbus interface for proven reliability

## Typical Applications

Industrial control systems, medical instrumentation, defense/aerospace embedded computing, real-time data acquisition, and I/O-intensive VMEbus subsystems.

## Compatibility & Integration

Full VME64 compliance ensures plug-and-play operation in existing VMEbus backplanes. Supports PMC processor modules and PMCspan expansion carriers. MVME721 RTM integration provides rear-panel Gigabit Ethernet access in compact chassis configurations.