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birca123

Running VTC self test freezes on ZYBO

Question

Hello,

My application freezes after I run the self-test for a video timing controller. What is the cause of the problem? 

The used Block design is shown below.

Best regards,

Toni

Capture.JPG

Edited by birca123

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2 answers to this question

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Hi @birca123,

The AXI bus may be waiting for the peripheral to respond (by acknowledging the write) and it isn't.

This can be caused by a variety of things, but having the addresses wrong would be one to check. Can you add an ILA module and see what bus transactions are taking place?

Here  is a xilinx forum thread about possible timing issues from the video timing controller.

best regards,

Jon

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