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Altera_Forum
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17 years ago

DE2 Keypad Scanner?

I'm looking for a keypad scanner programmed in Verilog for the DE2. I've found some C language keypad scanner but I can't get them to work. On my own attempt at Verilog, I can scan either ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Look for the 74HC922 (hexadecimal keyboard decoder) integrated circuit datasheet and try to replicate it's hardware by means a verilog description