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Altera_Forum's avatar
Altera_Forum
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8 years ago

interfacing to epcq from fpga?

Hello all, I've been assigned a task at work that requires me to access the epcq from the fpga in order to store data on it. However, the epcq is used for storing the configuration file for the...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

Hi Alexander,

I have a couple of suggestion for your busy signal problem:

  • check that the IP core version is supporting your ECPQ device

  • check that the IP core is configured to the correct ECPQ device

  • check that the clock is running not faster the 20 MHz in read or 25 MHz in fast read mode

  • check that all input signals except the clock are low

  • check that not other IP core is accessing the configuration flash (e.g. like the Altera Remove Update IP core)

Regards,

Mathias