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Altera_Forum's avatar
Altera_Forum
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16 years ago

Cyclone3 Power Up level doesn't work

A design with an EP3C40F324I7 has the pin U18 as an registered output. This pin is used to control another dcdc's nSHDN (Shutdown negativ logic) The fpga is configured via epcs. this dcdc is ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Yes that's a solution. Or as I said you can still create a RRC filter with a total resistance of 2k and create a PWM output to have the soft start feature.