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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

You need to make the assignment on the register instead of the pin. You can either do this using the assignment editor or with a Verilog attribute in the code.

Jake