XJTAG

XJTAG - XJIO Board

Overview
Specifications & Details
Datasheets & Downloads
Videos

Improve reliability of your boards by increasing analogue and digital test coverage
Reduce your debug time by enhanced fault isolation
XJTAG can reduce the cost and complexity of your custom test jigs
Reach your devices on non-JTAG boards with ‘Black box’ testing

The XJIO board is an expansion unit that enables you to improve the test coverage for a Unit Under Test (UUT) by verifying the signals right through to the external connections. It will integrate with your XJTAG test system to provide access to otherwise inaccessible areas of your circuit.

With a range of digital and analogue I/O pins on the board, you can improve fault isolation, verify power rail levels, and dispense with costly custom test jigs – even for non-JTAG boards.

Features

208 digital I/Os with user-configurable voltage range – 1.8V to 3.3V (5V tolerant)
On-board 8 channel ADC and DAC, controlled using JTAG
Fully expandable to meet your needs
Switches and LEDs for user interaction
‘Black box’ testing for non-JTAG boards
Reusable, replacing costly custom test jigs
Standard IDC connectors
USB or 12V power supply
RS232 / UART

Digital I/O

With 208 bidirectional digital I/Os, the XJIO board has been developed for maximum connectivity. The I/Os are all 5V tolerant. The default logic level is 3.3V, or you can re-configure the I/Os, in blocks of 16, to use any user-generated voltage between 3.3V and 1.8V.

Analogue Testing

The XJIO board has 16 analogue I/Os (8 inputs and 8 outputs). These are all controllable via the JTAG interface. The on-board 3.3V ADC devices enable basic analogue measurements – e.g. testing a power rail is within limits. The 3.3V DACs allows for UUT analogue inputs to be stimulated, improving test coverage of the target board.

RS232 interface

This interface can be used to further improve test coverage. There is a UART capable of communication up to 230KBaud and a RS232 transceiver that can be driven directly from the JTAG chain.

Expandable

If more I/Os are required, the XJIO boards can be daisy-chained together via the reconfigurable external JTAG connector to reach the required density. All the connectors on the XJIO board are standard IDC, for economical and efficient cable assemblies.

Power Supplies

You can power the XJIO board from USB, for quick and portable test setup. Alternatively, if you need more than 80mA of current, there is a connector for a standard 12V power supply.

User Interaction

The switches and LEDs enable additional test control, allowing you to develop a complete and repeatable test solution.

Software

You can use the XJIO board with the whole XJTAG product range.

XJTAG XJIO Product Sheet - English.pdf

XJTAG XJIO User Guide - English.pdf

View YouTube Channel

https://www.xjtag.com/

XJTAG is a world leading supplier of JTAG boundary-scan software and hardware tools. The company focuses on innovative product development and high-quality technical support. XJTAG products use IEEE Std.1149.x (JTAG boundary-scan) to enable engineers to debug, test and program electronic circuits quickly and easily. This can significantly shorten the electronic design, development and manufacturing processes. XJTAG is based in Cambridge, UK, and its products are used globally by a wide range of industries. XJTAG is part of Cambridge Technology Group.