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ADhar4's avatar
ADhar4
Icon for New Contributor rankNew Contributor
5 years ago

Can't access JTAG Chain

i am developed customized Cyclone 5 device board. In that we are using cyclone 5 devices as "5CGXFC7C6F23I7" & Configuration device has "EPCQ512". I trying to download basic program via USB Blaster. ...
YuanLi_S_Intel's avatar
YuanLi_S_Intel
Icon for Regular Contributor rankRegular Contributor
5 years ago

The Cyclone V device drives the nSTATUS pin low immediately after power-up and releases it after the Cyclone V device exits power-on reset (POR). As a status output, the nSTATUS pin is pulled low to indicate an error during configuration.


Can you please check if the voltage supply pin is all stable?