Description
The µPD98401A (NEASCOT-S15TM) is a high-performance SAR chip that segments and reassembles ATM cells.
Features
- Conforms to ATM Forum.
- AAL-5 SAR sublayer and ATM layer functions.
- Hardware support of AAL-5 processing.
- Processing of non-AAL-5 traffic (AAL-3/4 cell, OAM cell, RM cell) by software with raw cell processing function.
- Hardware support of comparison/generation of CRC-10 for non-AAL-5 traffic.
- Supports up to 32K virtual channels (VC).
- Provided with 16 traffic shapers that carry out transmission scheduling (control of average rate/peak.
UPD98401A_NEC.pdf
