With growing trend to cut size of electronic gadgets has
increased the importance of boundary-scan, the best ever method used to test
interconnects also known as wire lines on printed circuit boards or sub-blocks
of an integrated circuit. Also, this is one of the most effective debugging
tools that design and test engineers use to watch integrated circuit pin
states, measure voltage, and mostly importantly analyze sub-blocks of the
circuit. You can check the availability of memory test and jtag flash programming
that is offered by a boundary scan test
service provider online.
With the help of boundary-scan, a design engineer can
effectively and accurately tests components mounted on pcb. What is more, you
can also test pin connections and you can do it without requiring using any
physical probes and capturing important data while a device is in operation.
Boundary-scan cells in a device can force signals onto pins, or capture data
from pin or core logic signals. The data forced is transported into
boundary-scan cells serially. In the
fashion, data captured is moved in serial and compared with expected results.
This is what makes the method more effective in testing a printed circuit board
or sub-blocks inside an integrated circuit with accuracy.
There are several companies that offer jtag flash
programming software online with different features including an in-system
programmable capability that uses JEEE standard 1149.1 controllers to test
printed circuit boards and other types of assemblies, which are applicable in
various areas including telecommunication, defense and electrical industries.
