Forum Discussion
Kodion22
New Contributor
New ContributorCyclone 3 Not entering AS Mode
Before i start, will love to say am new to FPGA and entry level with Electrical. We have an old tool we purchase that has a Cyclone 3 board on it. We have a simple code (attached) that we can easil...
sstrell
Super Contributor
Super ContributorYou probably need to be going though the handbook and check things like power supplies, pull-ups and pull-downs, etc. Something is not right.
https://www.intel.com/content/www/us/en/content-details/654357/cyclone-iii-device-handbook.html
Kodion22I went through the document and went through all my voltage levels and everything is perfect going into the FPGA. All my pull ups and pull downs are good. At this point I don't want am missing. I was having an issue with jtag and I grounded the pad. That took care of it. Now I simply want to know what else can affect the DCLK from oscillating at 30 to 40 MHz- Kodion22From what I read, if that happens it can trigger the EPCQ/EPCS chip to send data to the clyclone
