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13 years ago

CYCLONE III - EPCS16 - AS MODE and FLASH PROGRAMMING

Hi all,

this is santhosh. i am not too much into fpga's.... we are utilizing an altera cyclone iii board for a energy meter purpose. We have made a board for the application.i find that in my case, JTAG is working fine.

  • AS mode is fine (shows 100% progress) but not starting the processor.

  • JIC in JTAG mode fails around 70% every time.

  • am trying to flash using flash programmer into EPCS16 (sof and elf) - Fails.

I have tried the following

  • the connections on the board are fine

  • i am using 10K pullup and pulldown resistors

  • in case of flash programming, i had the CPU's reset vector point to EPCS

Kindly help me out, I am actually fairly new to fpga's... Correct me if i was wrong in any of the above items. I have tried with simple programs also. Same thing happens everytime. I have come to the end of our product development and this is standing right in the middle... Suggestions please. thanks

san

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