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Altera_Forum's avatar
Altera_Forum
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15 years ago

cyclone3 nstatus pin keeps dropping low

Hi, all. My EP3C40Q240C8N can't work, and I found its nstatus pin would drop to low intermittently after board powered. there is no blaster down-loader, and nconfig pin keeps high. (waveform is...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

It looks like normal operation, e.g. when the FPGA is connected to serial configuration memory that doesn't hold a valid configuration. Yo didn't mention the inmplemented configuration scheme, however.