Xjtag, a supplier of boundary scan development tools, has extended the capabilities of its JTAG test development system with an expansion board that should improve test coverage and fault diagnosis on complex printed circuits.

The XJIO board also checks power rail levels and can eliminate the need for custom test jigs, said the firm.

The board improves the test coverage by verifying the signals right through to the external connections. In the event of a board failure, the fault diagnosis times can be reduced as the board removes the need for time-consuming loopbacks and cable swapping, said the firm.

The board has 208 digital and 16 analogue (8xADCs and 8xDACs) I/Os. It can be powered from USB or from a standard 12V power supply. All the connectors on the XJIO board are standard IDC.

The board will be used as part of the Xjtag development system which tests both JTAG and non-JTAG devices, including BGA and chip scale devices, SDRAMs, Ethernet controllers, video interfaces, flash memories, FPGAs and microprocessors.

Xjtag