Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

When I power cycle (on-->off-->on) the FPGA it losses *.sof file

Hello, I'm new in FPGAs. Look, after generating and programming the .sof file to the FPGA it works as expected, but as soon as the power is off and then on again nothing happens. I mean I have ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

This is normal. You need to program the connected flash device if you want it to program the FPGA on power on. FPGAs have no internal configuration storage, so they need to be configured every time they are powered on (unless it's a MAX device, which is flash based so does store its own configuration).

So what is the device, and have you tried programming the flash?