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Altera_Forum
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9 years ago

Programmatic Reset/Reconfig of Cyclone FPGA

Due to a funny situation, I need to programmatically trigger reboot/reconfiguration of my Cyclone IV E device. I mean that I need to reset/reconfigure the device from inside my VHDL code. Ba...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

You need to pulse nCONFIG low and high again. However, based on your post I suspect you don't have control of this from your micro...

The only other very, very dirty way I can suggest is to overload one of the FPGA rails (VCCINT or VCCA) - yes, easier said than done - such that it's voltage drops and causes the FPGA's POR circuitry to reconfigure the device.

Cheers,

Alex