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Altera_Forum
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9 years ago

D flip flop trouble

Hello... I've written a simple VERILOG flip flop code set that isn't working in hardware. I have a debounced switch input called SW3_2. Upon the POSEDGE the output SW3_2_PRESS should toggle ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

Thank you for that. I have an external hardware based debounce circuit so that's not an issue. I did find something interesting though. The CPLD reset pin had been brought out as if it were a general input pin and the circuitry it was connected to was holding it in perpetual reset. That would explain why the registers wouldn't release. I'm going to break that line and add a reset chip and try again later this week.