StarASBI

StarASBI - Advanced Nibble-slice Shared Buffer Integrated circuit

General Desription

ASBI is an element of 16x16 Shared-Buffer-Memory type Switch for ATM.

ASBI is a shared buffer memory and provides input cell header data to routing control part and receives the address to store input cells in common memory and read out the cells stored in common memory.

It is compatible with NSBI we developed previously.

Features

• Provides 2048 cells buffers.
  
• Supports an IPC port for inter processor communication and OAM and has 4 cell buffers for IPC input cell.
  
• Provides cell synchronization to internal reference clock for the arriving input cell of different phase.
  
• Checks Internal Header Cyclic Redundancy Check (CRC) to detect transmission error.
  
• Generates CI to indicate the buffer congestion.
  
• Generates loop-back address to possible loop-back path test through switch network.
  
• Generates a built-in test cell and automatic generation of R/W address of common buffer memory.
  
• Operates in the system clock frequency of 50MHz.
  
• Requires single +3.3V power supply.
  
• Available in 432 pin super BGA Package.
  
• Provides IEEE standard Boundary Scan.