Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
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

I realized, that the Dev. Kit uses a green LED display with a nominal forward voltage of 2.2V. It's absurd to operate it with a supply voltage of 1.8V (although I would expect a higher segment current than said 4.5 µA).