The Abaco Systems / VMIC VMIVME-2511-200 is a 48-bit digital parallel input/output board engineered for VMEbus systems. It delivers flexible, programmable digital I/O capabilities through individually configurable 8-bit ports that support unidirectional, bidirectional, and bit-level direction control. The board integrates VMEbus compatibility logic, interrupt control via Motorola MC68153 BIM, and parallel interface/timer functionality using Motorola MC68230 PI/T modules to manage port and timer interrupts. Data transfers occur across 8-, 16-, and 32-bit widths via front-accessible P3 and P4 connectors. An optional high current driver variant restricts ports to unidirectional operation. Housed in a double Eurocard form factor, this board integrates into standard VMEbus backplanes and maintains software compatibility with the VMIVME-2120.
– Technical Specifications
• VMEbus specification compatible with standard address decoding and data transfer control logic
• 48 bits of programmable digital parallel I/O
• Motorola MC68153 BIM interrupt controller for port and timer interrupts
• Motorola MC68230 Parallel Interface/Timer (PI/T) modules
• Supports 8-, 16-, and 32-bit data transfer widths
• Dual 64-pin DIN 41612 I/O connectors (P3, P4)
• Double Eurocard form factor
– Key Features
• Per-port programmable direction: unidirectional 8-bit, bidirectional 8-bit, or bit-level programmable modes
• Optional high current driver variant (unidirectional operation only)
• Individual port control with dedicated interrupt handling
• Direct VMEbus integration via standard backplane interface
– Typical Applications
• Real-time embedded systems requiring parallel digital I/O
• Industrial automation and process control
• Test and measurement instrumentation
• Data acquisition interfaces to external devices
– Compatibility & Integration
• VMEbus specification compliant
• Software compatible with VMIVME-2120
• Compatible with Intelligent I/O Controllers
• Interoperable within the VMIC VMEbus board family
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