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alexanderbosch
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Registered: ‎05-23-2018

How to make Artix 7 boot from flash memory when power is cycled

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Hi,

 

I am programming a Artix-7 FPGA (xc7a15tftg256-1). I have been trying to upload the program onto the external configuration flash memory. However, after successfully uploading the .bin file to the flash memory, I will cut power to the FPGA and then turn it back on and it will not run the program I just uploaded. It runs something else. When I manually click boot from configuration memory in Vivado, it does work though. How do I configure the FPGA so that it will always boot from configuration memory when the power is cycled?

 

Thanks!

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sgeorgi_sen
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Registered: ‎04-07-2014

Hi Alexander,

 

the boot method is decided by the Mode Pins M0 M1 and M2.

 

Please refer to the UG470 "7 Series FPGAs Configuration User Guide".

 

Have fun,
Sebastian

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sgeorgi_sen
Explorer
Explorer
1,482 Views
Registered: ‎04-07-2014

Hi Alexander,

 

the boot method is decided by the Mode Pins M0 M1 and M2.

 

Please refer to the UG470 "7 Series FPGAs Configuration User Guide".

 

Have fun,
Sebastian

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jmcclusk
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Registered: ‎02-24-2014

You should check the mode pins  ( M2, M1, M0 ) to see how they are set.   These control the boot mode when power is cycled.

Don't forget to close a thread when possible by accepting a post as a solution.
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