The Performance Technologies PT-VME 330A is a 6U VME Communications Controller purpose-built for high-density serial communications within VMEbus systems. It integrates onboard intelligence and dedicated memory to offload host processing for low-level communication tasks, delivering sustained high-speed data rates across 16 channels with support for multiple legacy protocols and software platforms.
Technical Specifications
• Bus Interface: VME64 compliant, 32-bit data transfers, Block Mode (BLT) operation, A32/A24/A16/D32/D16/D8 addressing, MBLT64, 2eVME/2eSST support via VME Slave Interface (VSI) ASIC
• Form Factor: 6U
• Channels: 16
• Processor: Motorola 68EC030-based architecture
• Memory: 4 or 8 Mbytes dedicated DRAM for buffering
• Data Rates: Over 137 Kbps full-duplex per channel; over 1.8 Mbits/sec using single channel
• Operating Temperature: 0°C to +55°C (commercial grade)
• Power: Backplane-supplied (5V, 3.3V, +/-12V)
– Key Features
• 16-channel high-density serial communications
• Protocol support: X.25, HDLC, HDLC LAPB, HDLC NRM, SDLC, DDCMP, ADCCP, CD-2, Telekurs Data Feed Receiver, Reuters MarketFeed 2000, BSC 3270
• Interactive software menu configuration via front panel RS-232C utility port
• User-configurable Slave Address, Address Modifiers, Bus Request Level, Mode, and Interrupt Request Level
• Eliminates traditional option jumpers and switches
– Software Support
• Legacy drivers: VxWorks, Linux (2.4/2.6), Windows NT/XP
• Proprietary API with download, configuration, and test utilities
• Installation procedures documented for UNIX and Windows NT systems
– Compatibility & Integration
The PT-VME 330A integrates directly into VMEbus backplanes supporting VME64 specifications. Its onboard processing and large DRAM array enable efficient handling of synchronous and asynchronous communications without placing excessive burden on the host system. Software configuration eliminates hardware customization, reducing deployment time in legacy communication networks.
