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Altera_Forum
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12 years ago

Programming an EPCS4 using JTAG and Quartus II + SFL

Hello, I am having problems trying to program an EPCS4 attached to a Clyclone IV EP4CE6F17I7 with the JTAG interface (and a USB-Blaster). The EP4CE6 is in a JTAG chain with an Atmel AT91SAM9261...
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Altera_Forum
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12 years ago

Hi again,

Just wanted to give a follow-up to my problem. It seems actually to be my mistake: after double-checking I noticed that there has been some signal swapping on the PCB of our prototype, so the configuration flash did not get the proper signal (nCSO) on its Chip-Select pin. I have re-wired the faulty signal. It's not working yet 100% (it is programming the flash OK but fails to verify) but I have some hope.

Alex