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From this:
https://www.altera.com/content/dam/altera-www/global/en_us/pdfs/literature/pt/max-10-product-table.pdf It looks like they all have dual configuration except the low end device (10M02).
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Exactly this is the main document and completely confusing!
If you try Quartus II you will see that for low end there is no possibility to select dual configuration. Having this in mind I was focusing to search on this phenomene....
An I found somewhere in Japan from Altera training attached table
This table confirms that Compact devices (No ADC) do not have double configuration and also (I believe) watchdog (no possible to enable it in Quartus unless you have dual configuration)
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