VME-5565 Reflective Memory

VME-5565 Reflective Memory

2 Giga Baud VME-5565 Ultra High Speed Fiber-Optic Reflective Memory with Interrupts

Overview

The VME-5565 Reflective Memory node card provides a high-speed, low latency, deterministic interface that allows data to be shared between up to 256 independent systems (nodes) at rates up to 170 Mbyte/s.

Each Reflective Memory board can be configured with either 64 Mbyte or 128 Mbyte of onboard SDRAM.

The local SDRAM provides fast Read access times to stored data. Writes are stored in local SDRAM and broadcast over a high speed fiber-optic 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 processor and bus performance to maintain high data throughput.

Network transfer rate of 43 Mbyte/s (4 byte packets) to 170 Mbyte/s (64 byte packets)

Dynamic packet size, 4 to 64 bytes of data

Up to 256 nodes

Connection with multimode fiber up to 300m, single-mode fiber up to 10km

Data written to memory in one node is also written to memory in all nodes on the network

High speed, easy to use fiber-optic network (2.12 Gbaud serially)

VME transfer rate 40 Mbytes

64 Mbyte or 128 Mbyte SDRAM Reflective Memory

Specifications

Bit Rate (Gb/s)

2

Form Factor

VME

Function

Node

Memory Capacity

128MB

Operating System (OS) Support

Linux, VxWorks, Windows

Ports

RX/TX

VME-5565