STLC5464 Datasheet, PDF (1/83 Pages) STMicroelectronics – MULTI-HDLCWITH n x 64 SWITCHING MATRIX ASSOCIATED

STLC5464
MULTI-HDLC WITH n x 64 SWITCHING MATRIX ASSOCIATED
. 32 TxHDLCs WITH BROADCASTING CAPA-
BILITY AND/OR CSMA/CR FUNCTION WITH
AUTOMATIC RESTART IN CASE OF TX
. FRAME ABORT
32 RxHDLCs INCLUDING ADDRESS REC-
. OGNITION
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 SE-
QUENCE INTEGRITY AND LOOPBACK PER
. BIDIRECTIONAL CONNECTION
DMA CONTROLLER FOR 32 Tx CHANNELS
. AND 32 Rx CHANNELS
HDLCs AND DMA CONTROLLER ARE CAPA-
BLE OF HANDLING A MIX OF LAPD, LAPB,
. SS7, CAS AND PROPRIETARY SIGNALLINGS
EXTERNAL SHARED MEMORY ACCESS BE-
TWEEN DMA CONTROLLER AND MICRO-
. PROCESSOR
SINGLE MEMORY SHARED BETWEEN
n x MULTI-HDLCs AND SINGLE MICRO-
PROCESSOR ALLOWS TO HANDLE n x 32
CHANNELS
. _{BUS ARBITRATION}
. _{INTERFACE FOR VARIOUS 8,16 OR 32 BIT}
. ^{MICROPROCESSORS}
RAM CONTROLLER ALLOWS TO INTER-
FACE UP TO :
-16 MEGABYTES OF DYNAMIC RAM OR
. -1 MEGABYTE OF STATIC RAM
INTERRUPT CONTROLLER TO STORE
AUTOMATICALLY EVENTS IN SHARED
. MEMORY
PQFP160 PACKAGE
DESCRIPTION
The STLC5464 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
PQFP160
(Plastic Quad Flat Pack)
ORDER CODE : STLC5464
May 1997
1/83