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pgrangeray
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Registered: ‎05-31-2017

Different behaviour between memory and JTAG

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Hi,

 

I have a really strange problem.

 

My code works well when I program the Artix with Digilent cable from Vivado.

I have a flash memory, and I can program it from Vivado. No problem.

 

But, when I start the FPGA from the memory (by program_b pin), it runs for 6 or 7 seconds and after there is like a restart.

 

What is the difference between boot from memory or program from Vivado?

 

Thanks!

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