Desciption: The VME-5588 Reflective Memory interface allows data to be shared between up to 256 independent systems (nodes) at rates up to 29.5 Mbyte/s. Each Reflective Memory board may be configured with 256 Kbyte to 16 Mbyte of on-board SRAM. The local SRAM provides fast Read access times to stored data. Writes are stored in local SRAM and broadcast over a high-speed data path to other Reflective Memory nodes. The transfer of data between nodes is software transparent, so no I/O overhead is required. Transmit and Receive FIFOs buffer data during peak data rates to optimize CPU and bus performance to maintain high data throughput.
High-speed, easy-to-use network (1.2 Gbaud serially)
• Data written to memory in one node is also written to memory in all nodes on
the network
• Up to 1,000 ft between nodes with multimode fiber, 10 km with single mode,
30 m with twinax
• Supports up to 256 nodes
• Data transferred at 29.5 Mbyte/s without redundant transfer
• Data transferred at 14.8 Mbyte/s with redundant transfer
• Any node on the network can generate an interrupt in any other node on the
network or in all network nodes with a single command
• Error detection
• Redundant transmission mode for suppressing errors
• No processor overhead
• No processor involvement in the operation of the network
• Up to 16 Mbyte of Reflective Memory
• A24:A32:D32:D16:D8 memory access
• Two-slot 6U VMEbus board
• Any node may reset any or all other nodes
• Software compatible with VMIVME-5578
• Software-addressable digital output bit (available at front panel and P2
connector) for interfacing with the VMIVME-5599 optical switch board or any
user-defined purpose
• Multimode or single-mode fiber-optic or twinax cable options