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Altera_Forum
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15 years ago

Serial Configuration Devices (EPCS16) question / Fast Read

I have a question about one of the operations being used in AS Configuration. My FPGA is Cyclone-III, and my AS Configuration device is EPCS16. I can see (using the scope) that upon AS Config...
Altera_Forum's avatar
Altera_Forum
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15 years ago

The header of the configuration data does contain a length value. You can look at the default boot loader source code for NIOS to see how to find the length in the header. I seem to recall it is a bit convoluted and not just looking for the bytes in the right location.

The default boot loader uses this information as it assumes the NIOS software application image is stored immediately after the configuration data.