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Altera_Forum's avatar
Altera_Forum
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10 years ago

max v ports at power upMany thanks.

Hi, I'm using a MAXV (5M160ZE64I5N) device and I'm having problems with Output lines going high during the 'Boot' cycle of the CPLD. Looking at the MAX V handbook, during the 'Boot' period the dev...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

No. There is no way of stopping this weak pull-up during boot - i.e. during tCONFIG.

You mention a pull-down resistor. Is that not sufficient? I'd suggest a 1kR pull-down is likely to overcome any issue you're seeing.

Cheers,

Alex