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

Cyclone V AS configuration using Micron MT25Q

I have a card with aCyclone V that is using Active Serial Configuration from a Micron N25Q(128Mbit) flash. Recently i have hadto switch flash to Micron MT25Q, due to the fact that N25Q is end-of-l...
Lukas187's avatar
Lukas187
Icon for New Contributor rankNew Contributor
4 years ago

Hi.

I did find my timing issue. Pretty wired but simple if you read the right documents. I can recommend "AN 822: Intel® FPGA Configuration
Device Migration Guideline".

There you should check the tDH (data hold timing). The clock line has to be absurdly long, or the clock has to be delayed in another way.

Lukas