VME System Controller Core

The VMESCmodule is a VME to local bus bridge containing a VME slave with 4 memory window decoders, a VME master with integrated DMA engine, a programable VME interrupter supporting IRQ1-IRQ7 request levels, an autonomous VME interrupt handler, and a VME system controller. The system controller has a bus arbiter supporting prioritized and round-robin arbitration, a programmable bus timer, a system clock driver, a system reset driver, and an interrupt daisy-chain driver

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VME Master Controller Core

The VME64M core is a VME compliant master controller for use in FPGA and ASIC based implementations. It is designed to provide master capabilities to VME cards where increased data throughput or added features are required, that are not provided by the VME64S slave core.
The VME master implementation is fully compliant to the VME specification supporting A16/24/32 addressing modes and D8(EO), D16, D32, D32-BLT, and D64-MBLT data modes. The core contains an interrupter as well as a bus requester.

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VME Slave Controller

This VME64 slave controller is designed for custom integration using standard FPGA and ASIC technologies. It is fully compliant to the VME specification supporting A16/A24/A32 address mode, D8/D16/D32 data modes (read/write/read-modify write), D64-MBLT, and interrupt acknowledge cycles. Data access is either single cycle or multi-cycle controlled through user wait states.

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