The implementation of Design-for-Manufacturing (DfM) alongside the use of high quality assembly and inspection equipment minimizes the chance for assembly errors. In spite of this, however, assembly errors do occur and PCBAs must be tested to detect these errors in an effort to achieve PCBAs with zero defects. Modern designs rely on JTAG/boundary-scan for testing which offers access to a device’s pins irrespective of its package and helps to achieve optimal fault coverage.

In production, when devices are programmed as part of the board configuration process, a complete range of different devices and device types must be supported. For efficiency reasons such programming should ideally be undertaken using the same hardware as used for testing.

Various parameters determine the type of test and programming hardware that fits best. Such parameters include performance, form factor, integration possibilities with other test stations already in use, etc.

The JTAG Live Controller is USB connected and powered and features a single test access port in JTAG Technologies standard 10-way IDC pin-out. It offers a maximum programmable TCK speed of 6 MHz and also features programmable output voltages and input thresholds. The JTAG Live controller is compatible for use with both JTAGLive software and ProVision.

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