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