ASAH-P4 Specification
622Mbps ATM Physical Layer Processing ASIC(STM4-4c)
STM Frame Procesing
Framing, Scrambling
Layer OAM(Falut,Performance) using RSOH, MSOH, POH
Pointer Generation/Interpretation(+/- PJE, NDF ..)
ATM Cell Procesing
HEC Insertion/Validation,Cell Delineation, Payload Scrambling, Rate Adaptation
Performance, Statistics Monitoring, Diagnostics
16 bit UTOPIA, 8 bit CPU
Serial Overhead Ins/Ext I/O and main alarm outputs (LOS, OOF, LOF, MS-AIS, P-AIS, LOP, LCD ) , with interrupts
100,000 gates, 208 pin PQFP, 5V, 78MHz/19MHz operation
Pin compatible to PMC-Sierra PM5355(when serial OH I/O is not used)