onTAP Video Tutorials


These brief video tutorials will help get you comfortable with onTAP and teach you how to set up onTAP to develop, run and debug your boundary scan tests. Stay tuned for more videos that will guide you to maximizing the benefits of onTAP!

Watch these videos to:

  • Learn how to install and run onTAP
  • Learn how to set up and run a test
  • Learn the key features and benefits, and how to make the most of them
  • Learn how to make your boundary scan experience better and easier!

What is Boundary Scan?

Learn why boundary scan and JTAG (IEEE 1149.1) are the best approaches to PCB test, system verification, prototyping, and debugging.

JTAG TAP Controller Tutorial

Shows how the TAP controller operates within a JTAG network. Step-by-step analysis of the TAP state machine and timing diagram.

circuit trace Tutorials

onTAP circuit trace lets you quickly and easily measure and control boundary scan pins on your PC boards. With circuit trace, you can debug, test, and program your circuit boards — especially those boards that have limited test access for oscilloscopes and logic analyzers.

onTAP Download

And Update Requests

onTAP Video Tutorials

circuit trace Download

And Update Requests

circuit trace Video Tutorials

JTAG STIL Player Download

Knowledge Base

Basic Boundary Scan Building Blocks


Boundary Scan FAQs

A Look at BSDL

Boundary Scan
Description Language

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