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Altera_Forum's avatar
Altera_Forum
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16 years ago

DE1 Control Panel

Is there an option to download the DE1 control panel .exe files from the website?
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

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The HEX display segment drivers on the DE1 card are ACTIVE LO, so driving out a '0' (low) turns the segment ON, and driving out a '1' (high) turns the segment off.

The 74246 block you have in your schematic drives its outputs LO when it wants to light a segment, so that would mean the inverters you have on each output line are the source of the issue.

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so output on seven segment is it true? based on vector waveform i got segment b and segment c status High or logic 1