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Altera_Forum
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14 years ago

2.5V AS serial configuration device?

I'm finising off a spin of a board and trying to move from VCCIO of 3.3V to 2.5V. We're pin constrained so I'm moving the banks with the configuration pins too. I'm using active serial config a...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

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my reasoning was to have only 2 rails, 2.5V and 1.2V

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I would have preferred that.

I have had problems in the past where I was trying to program a device directly from Quartus and it didn't have the same device ID as the

EPCSX it was replacing. When Quartus didn't get the device it was

expecting it stopped.

I'm using *.jic indirect programming and don't know if this is still a

problem or not but until I know for sure I am going to play safe.

Have you used these alternative devices (that don't support the legacy

read device ID instruction)?

Nial