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Altera_Forum's avatar
Altera_Forum
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17 years ago

Disable Diode in Cyclone III

Hi I have a Cyclone III with Vccio=2.5V and want to connect to a DSP with 3.3V Interface. As I understood AN447 I have to disable the diode in Cyclone III. But how can I do this? I read the Qua...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

The PCI clamping diodes are disabled by default, so no action is necessary usually.