|
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
|