DESCRIPTION
The STLC5465B is a Subscriberline interfacecard controller for Central Office, Central Exchange, NT2 and PBX capable of handling :
- 16 U Interfacesor
- 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
   
■ 32 TxHDLCs WITH BROADCASTING CAPABILITY AND/OR CSMA/CR FUNCTION WITH
    AUTOMATIC RESTART IN CASE OF TX
    FRAME ABORT
■ 32 RxHDLCs 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 32 Tx CHANNELS
    AND 32 Rx CHANNELS
■ HDLCs AND DMA CONTROLLER ARE CAPABLE OF HANDLING A MIX OF LAPD, LAPB,
    SS7,CASANDPROPRIETARYSIGNALLINGS
■ EXTERNAL SHARED MEMORY ACCESS BETWEEN DMA CONTROLLER
    AND MICROPROCESSOR
■ SINGLE MEMORY SHARED BETWEEN
    n x MULTI-HDLCs AND SINGLE MICROPROCESSOR ALLOWS TO HANDLE n x 32
    CHANNELS
■ BUS ARBITRATION
■ INTERFACE FOR VARIOUS 8,16 OR 32 BIT
    MICROPROCESSORS
■ RAM CONTROLLER ALLOWS TO INTERFACE UP TO :
    -16 MEGABYTES OF DYNAMIC RAM OR
    -1 MEGABYTE OF STATIC RAM
■ INTERRUPT CONTROLLER TO STORE
    AUTOMATICALLY EVENTS IN SHARED
    MEMORY
■ PQFP160 PACKAGE
■ BOUNDARY SCAN FOR TEST FACILITY