DESCRIPTION
The STLC5466 is a Subscriber line interface card controller for Central Office, Central Exchange, NT2 and PBX capable of handling:
■ 16 U Interfaces or
■ 2 Megabits line interface cards or
■ 16 SLICs (Plain Old Telephone Service) or
■ Mixed analogue and digital Interfaces (SLICs or U Interfaces) or
■ 16 S Interfaces
■ Switching Network with centralized processing.
■ 64 TX HDLCs with broadcasting capability and/or CSMA/CR function with automatic restart in case of Tx frame abort
■ 64 RX HDLCs including Address Recognition
■ 16 Command/Indicate Channels (4 or 6-bit primitive)
■ 16 Monitor Channels processed in accordance with GCI or V*
■ 256 x 256 Switching Matrix without blocking and with Time Slot Sequence Integrity and loopback per bidirectional connection
■ DMA Controller for 64 Tx Channels and 64 Rx Channels
■ HDLCs AND DMA CONTROLLER ARE CAPABLE OF HANDLING A MIX OF LAPD,LAPB, SS7, CAS AND PROPRIETARY SIGNALLINGS
■ External shared memory access between DMA Controller and Micro processor
■ SINGLE MEMORY SHARED BETWEEN n x MULTI-HDLCs AND SINGLE MICRO PROCESSOR ALLOWS TO HANDLE n x 64 CHANNELS
■ Bus Arbitration
■ Interface for various 8,16 or 32 bit Microprocessors with fetch memory to accelerate the exchanges between Microprocessor and SHARED MEMORY
■ SDRAM Controller allows to inter face up to 16 Megabytes of Synchronous Dynamic RAM
■ Interrupt Controller to store automatically events in shared memory
■ Boundary scan for test facility
■ TQFP176 package 24 x 24 x 1.40 #MS-026BGA
■ HCMOS6; 0.35 micron; 3.3volts +/-5%
■ Operating temperature: -40 to +85 °/C