AnsweredAssumed Answered

probably hardware issue

Question asked by slawek on Oct 30, 2014
Latest reply on Dec 3, 2014 by CraigG

Hi,

 

I got simple audio application base on power on self test. Till now I do not have this kind of problem with it but lately  it looks like audio codec is not properly configured or there is same problem with output analog section. I am using EZKIT BF548

 

In debug, with 100B on, it start to failed, I can hear distortion, all the time now before it was always perfect.

 

Same is when I run application in loader option and jtag is not used but is connected to KIT and to laptop on other side.

 

When I disconnect jtag from one side, laptop for example, even without reset, everything is start to work properly.

 

It looks like I have maybe ground problem, shall I used same separation between laptop and jtag?

 

advice.

 

Regards

Slawek

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