Functions

Block Diagram

Features

• single chip ISDN-S-controller with B- and D-channel HDLC support
  
  
• integrated S/T interface
  
  
• independent read and write HDLC-channels for 2 ISDN B-channels and one ISDN D-channel
  
  
• B1- and B2-channel transparent mode independently selectable
  
  
• FIFO-Depth:
  B-channel: 4x 7.5 KByte, maximum 31 HDLC frames per FIFO
  D-channel: 2x 512 Byte, maximum 15 HDLC frames per FIFO
  
  
• 56 KBit/s restricted mode for U.S. ISDN lines selectable by software
  
  
• full I.430 ITU S/T ISDN support in TE and NT mode for 3.3V and 5V power supply
  
  
• B1+B2 HDLC mode
  
  
• 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
  
  
• direct 8 bit ISA-PC bus interface with buffers for ISA data bus
  
  
• one of 6 interrupt channels on ISA-PC bus selectable by software
  
  
• I/O address selectable by software
  
  
• only 2 I/O addresses used on PC-ISA bus
  
  
• microprocessor interface compatible to Motorola bus and Siemens/Intel bus
  
  
• simple DMA access to PCM30 interface for tone synthetisation
  
  
• timer with interrupt and watchdog capability in processor mode
  
  
• CMOS technology 3-5V
  
  
• QFP 100 package
  
  

Applications

• ISDN PC cards (we recommend to use the HFC-SP instead because of its integrated ISA PnP)
  
  
• ISDN terminal adapters
  
  
• ISDN mini PABX
  
  
• ISDN smart NT
  
  
• ISDN modems (like USB devices)
  
  

Linux Driver A generic Linux driver is available for HFC-S+ upon request.

Datasheet

Copyright © 2006 Cologne Chip The ISDN Chip Company!

Last Modified: 29/09/2006