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How to validate embedded hardware

noisepic , 08-08-2017, 12:47 AM
After layout you must have plan for pcb bring up. I can list these stuff for pcb check:
- Measure voltage
​- Power up sequence
- Measure clock
​But in your embedded design still has USB port, HDMI, SATA, Ethernet, SPI, I2C..is there any good ways to validate the design of these high speed stuffs?
robertferanec , 08-08-2017, 10:13 AM
If you have a lot of resources (especially money then you can buy some special equipment which will enable you to validate some interfaces (e.g. Ethernet, USB, ...). Here is an example: http://www.tek.com/how/automated-eth...s-video-tdset3

The other way to validate your board is a lot of testing. Usually you may want to run:
- testing in environmental chamber (running peripheral tests in different ambient temperatures)
- burnin / stress testing (running the interfaces in stress conditions e.g. extreme traffic between interfaces)
- long time testing (running some test for very long time e.g. months)
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