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RATM network interface.
Designed to be compatible with both base-station and mobile system
Fifo interface to base-station host processor/wired ATM interface
PCMCIA interface for mobile operation
Embedded ARM Risc processor
LLC functions - re-sequencing and re-queueing of RATM cells from wireless link
RATM-ATM convergence, translation of header formats, insertion of sequence numbers
Dual port RAM, multiple transmit RATM cell queues
Single RATM Cell cell receive queue.
MAC processor ORCA FPGA