ISDN - ISDN Basic Rate Interface Software for the HPC16400E High Performance Data Communications Microcontroller

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Datasheet Knowledge Base

Features
•Multi-tasking executive
•Preemptive scheduling
•Modular software design
•Multiple timer facility
•HPC physical layer I/O interface
•Layer 2 link access procedure for the D channel (LAPD)
•Layer 2 link access procedure for the B channel (LAPB)
•Layer 3 protocol control procedure for a terminal endpoint
•Layer management entity support
•Demonstration Call Control Task
•Task[horbar]View task exerciser and debugger
•Message trace capability
•Split frame message formatting
•Source code in C language

 

General Description

The ISDN Basic Rate Interface Software Package implemented on the National Semiconductor HPC™ Microcontroller Family contains the software elements that are necessary to implement CCITT standards Q.921 and Q.931 as approved by ANSI committees for North America.

The software package is designed to be easily unbundled and used independently by a software developer. More...


Typical Application

See Datasheet for Application Information


Datasheet
RoHS Compliance Information Size in KbytesDate Click link below to Download
ISDN Basic Rate Interface Software for the HPC16400E High Performance Data Communications Microcontroller 146 Kbytes 7-Jan-96 Download

If you have trouble printing or viewing PDF file(s), see Printing Problems.

General Description

The ISDN Basic Rate Interface Software Package implemented on the National Semiconductor HPC™ Microcontroller Family contains the software elements that are necessary to implement CCITT standards Q.921 and Q.931 as approved by ANSI committees for North America.

The software package is designed to be easily unbundled and used independently by a software developer. Each layer or function is written as a separate software task. This modular design and well defined task interface make it easy to interface application dependent software to the modules provided. The coding standards for software development have been designed to ensure development of consistent, structured code, which can be easily used and maintained over the life of the code.

This software is supplied as a disk set and is used in conjunction with HPC development tools and software.

Application Notes

TitleSize in Kbytes Date Click link below to Download
AN-796: AN-796: ISDN Basic Access Components for the Design of ISDN Peripherals (227 Kbytes; 05-Aug-1995) 227 Kbytes 25-May-06 Download
AN-492: AN-492: Intuitive ISDN - An ISDN Tutorial (115 Kbytes; 04-Nov-1995) 115 Kbytes 25-May-06 Download
AN-664: ISDN Basic Rate Interface Terminal Equipment (TE) System Design Guide 190 Kbytes 5-Aug-95 Download
AN-665: AN-665: Application Note 665 TP3420A S Interface Device (SID) User's Guide (1223 Kbytes; 02-Mar-1999) 1223 Kbytes 25-May-06 Download
AN-931: AN-931: Interconnecting National's TP3420A SID to Motorola SCP/HDLC Devices (108 Kbytes; 05-Aug-1995) 87 Kbytes 25-May-06 Download
AN-872: AN-872: TP3420A Line Interface Circuit Considerations (109 Kbytes; 05-Aug-1995) 60 Kbytes 25-May-06 Download
AN-913: AN-913: TP3410 2BIQ U Interface Device Users Manual (436 Kbytes; 05-Aug-1995) 334 Kbytes 25-May-06 Download
AN-614: AN-614 COMBO II Programmable PCM CODEC/Filter Family Application Guide 259 Kbytes 22-Jan-97 Download

If you have trouble printing or viewing PDF file(s), see Printing Problems.

[Information as of 4-Jul-2009]