There are ATM cards on the level of OC3/OC12 for PCI, SBus... But they have usually their own i960 for SAR functions and originate a interupt only when have cell to transfer over internal bus, not with every byte accepted on input.
There are ATM cards on the level of OC3/OC12 for PCI, SBus... But they have usually their own i960 for SAR functions and originate a interupt only when have cell to transfer over internal bus, not with every byte accepted on input.