Cologne Chip

HFC-S mini

The HFC-S mini is not recommended for new projects.
Please use XHFC-1SU instead.

Functions

The HFC-S mini is a single-chip ISDN S/T HDLC basic rate controller for embedded applications.
The S/T interface, HDLC-controllers, FIFOs and a microprocessor interface are integrated in the HFC-S mini.
A PCM128 / PCM64 / PCM30 interface is also implemented which is able to connect to many telecom serial busses. CODECs are usually connected to this interface. All ISDN channels (2B+1D) and the PCM interface are served fully duplex by the 8 integrated FIFOs.

Block Diagram

Features

single chip ISDN-S/T-controller with B- and D-channel HDLC support

integrated S/T interface

full I.430 ITU S/T ISDN support in TE and NT mode for 3.3V and 5V supply power

independent read and write HDLC-channels for two ISDN B-channels, one ISDN D-channel and one PCM timeslot (or E-channel)

B1- and B2-channel transparent mode independently selectable

integrated FIFOs for B1, B2, D and PCM (or E)

FIFO size: 128 bytes per channel and direction; up to 7 HDLC frames per FIFO

56 KBit/s restricted mode for U.S. ISDN lines selectable by software

PCM128 / PCM64 / PCM30 interface configurable to interface MITEL ST^TM bus (MVIP^TM), Siemens IOM2^TM or GCI^TM for interface to U-chip or external CODECs

H.100 data rate supported

integrated microprocessor interface compatible to Motorola bus and Siemens/Intel bus

timer with interrupt capability

CMOS technology, 3V - 5V

case PQFP 48, RoHS compliant

Applications

ISDN terminal adapters (for Internet access)

ISDN terminal adapters (with POTS interfaces)

ISDN PABX

ISDN SoHo PABX (switching done by HFC-S mini)

ISDN telephones

ISDN video conferencing equipment

ISDN dialers / LCR (Least Cost Routers)

ISDN LAN Routers

ISDN protocol analyzers

ISDN smart NTs

Linux Driver

Generic Linux drivers for HFC-S mini are available upon request.

Evaluation Kit

Datasheet

Get Datasheet

Last Modified: 22/05/2007