The PMC-5565PIORC 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 may be configured with 128 MB or 256 MB 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 the host computer and bus performance to maintain high data throughput. The PMC-5565PIORC is RoHS-compliant and has improved PIO read performance and firmware that can be upgraded in the field.
Aircraft simulators
Automated testing systems
Ship and submarine simulators
Aluminum rolling mill
Power plant simulators
Engine test stands
Industrial process control
High-speed data acquisition
PLCs
Features
Dynamic packet size, 4 to 64 bytes of data
Connection with multimode fiber up to 300 m, single mode fiber up to 10 km
Up to 256 nodes
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)
Transfer rate 43 Mbyte/s (4 byte packets) to 170 Mbyte/s (64 byte packets)
128 Mbyte or 256 Mbyte SDRAM Reflective Memory
One independent DMA channel
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 transfer mode for extra error suppression
No processor overhead
No processor involvement in the operation of the network
PCI 64-bit 66 MHz transfers, 3.3 or 5 V, single width mezzanine interface
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