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Altera_Forum
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16 years ago

ByteBlasterII JTAG chain problem detected

Hi I´m trying to program a EP3C5E144C8N FPGA in JTAG mode using a ByteBlasterII cable. The pins are connected as indicated in the JTAG configuration of a single device using a download cable (Fig ...
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Altera_Forum
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16 years ago

Hi

Yes, I applied 2.5V to both VCCA pins in my cycloneIII, but I used the same GND for all the power supply (1.2V VCCINT, 2.5V VCCA and 3.3V VCCIO). I read some comments that in the cyclone III is not strictly necessary to isolate GNDA, is that correct? Instead I used ferrite bead and capacitors for each one.

I had some problems to solder the GND to the enhanced pad. I´ll check it again.

Thanks