JTAG Connector Pinout

This page is a resource for JTAG connectors.  These connectors are commonly used to interface Boundary SCAN tools or JTAG Emulators to a system under test. A common JTAG interface will have 4 or 5 standard signals (TDI, TDO, TMS, TCK, TRST) and some number of optional pins depending on the device. There is no […]

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Connector Vendors

  This page provides background on JTAG cables and connectors along with links to common JTAG connector vendors. You can also visit our Pin-outs pages for more information about the signals and pin-outs commonly used. Testing, programming or debugging a system via JTAG requires access to at least the 4 core signals used for communication between […]

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Etoolsmiths offers XJTAG XJInvestigator Board Bring Up and Debug Tool in US

Etoolsmiths offers XJTAG XJInvestigator, an advanced analysis and debug tool for use in the production of electronics. XJInvestigator is available as part of XJTAG’s latest v3.1 JTAG boundary scan software release. XJTAG’s tools are used across the product life cycle from development and prototyping into production. XJInvestigator combines an easy-to-use testing environment with advanced fault-finding […]

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Board Debug

This is a video of the XJAnalyser Board bring-up and debug tool. This tool is great for getting access to signals that are not available through test points by using JTAG to access the pins. XJAnalyser can be used for both board Bring up to help engineers debug initial prototype hardware and verify proper assembly […]

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ARM JTAG Pinout

This page contains information on the commonly used connectors and pin outs for JTAG Boundary Scan testing and debug of hardware employing the ARM family of processors. If you do not see the pin out you are looking for, please request it in the comments section. ARM 20 Pin Connector Pin Out This is a header commonly […]

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Prototype Circuit Board

Prototype Printed Circuit Boards are early versions of electronic circuits. The first revisions of these boards usually have errors and require debug and test. Electronic product manufacturers (OEMs) typically send the files produced by their schematic capture package to a circuit board FAB or Prototype house for to be built. Often so-called quick turn PCB […]

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