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Altera_Forum's avatar
Altera_Forum
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17 years ago

PCI Clamp Diode

Hi, Does anyone know how to disable the PCI clamp diode for individual Inputs on a Flex10KE within Quartus ?. I have the I/O configured for LVTTL but the inputs are being clamped by the clamp ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

I haven't tested it for the FLEX family, but usually you set 'PCI IO' assignment with value 'off' to disable the clamping diode.