Honored ContributorHi everybody!
My new board doesn't work! After jtag download success,CONF_DOEN pin is low and nCONFIG pin is high! Is there somebody know about it! Please help me ! Thank you!:confused:
Honored ContributorDoes conf_done go high for a while (some µs) or is it always down at the end of the programming?
Maybe your board has not enough power to drive the design in the FPGA? Look at the core voltage (1.2V) and vccd_pll voltage. Is there a fall at the end of the programming? Maybe it isn't a voltage issue but I had once a similar problem...Honored ContributorCOF_DOEN is always low!
Honored ContributorAnd the power is 1.2 and 3.3 after programming!
There is no fall at the end of the programming!Honored ContributorOK! It works!
Honored Contributorwhat was the problem?
Honored ContributornCS did not pull down!
