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Altera_Forum
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17 years ago

Has anyone driven the 7-segment displays on the Cyclone III Development Board?

I have been trying to talk to the 4 digit 7-segment display on the Cyclone III development board. The Altera support guys refer me to similar projects using the Cyclone II but I think that developme...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Thanks for the quick response. I'm reading less than 1 mv across those 220 ohm current limiting resistors when the segment is on at 100% duty cycle. So even shorting them out would not may a difference (I wasn't looking forward to changing a bunch of 0402s). There is simply not enough voltage to drive these segments.

I thought that VCCIO was programmable?

Thomas