ASAH-L4 Specification
622Mbps ATM Layer Processing ASIC
UTOPIA Level 1, UTOPIA Level 2
Routing tag processing and header translation for switch interface
Table lookup and Cell storage using external SRAM
Supports for Termination Point/Connecting Point function for VPC and VCC
Supports for Multicast
Dual GCRA UPC
Full OAM for all layers(VP/VC) and connections(AIS,RDI,CC,Loopback,PM,Sysadmin)
Max 8 class, 8 port weighted round-robin QoS buffering and Scheduling
S/W interface and hardware processing for ER ABR processing
Cell extraction and insertion for ingress and egress traffic using CPU interface
Three independent Synch_Burst SRAM interface for RX_VC_TABLE, TX_VC_TABLE and Cell_Buffer memory
Highly Optimized Memory interface timing