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Altera_Forum
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8 years ago

Arria 10 auto configuration issue with EPCQ-L

Hi experts, I come across a serious issue on my Arria 10 board, using 10AX016C4. Flash memory is EPCQ-L256 When I wrote program using jic-file with USB Blaster 2, some jic-file, call as "A.ji...
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Altera_Forum
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8 years ago

Hi nyusof,

Thank you for inquire.

I have erased EPCQL by Quartus programmer's erase function via AS port before writing. Is there any other "full" erase function?

The revisions of building programmer are different among A.jic and B.jic.

A.jic was built on Standard edition 16.1.1, a bit old, and B.jic was built on Lite edition 17.0.0.

And checking the both of jic files by Binary editor, there is some difference. Behind the first header, describes Quartus revision, device type and so on, it appears "6A 6A 6A 6A". And before this unique code,

A.jic describes "FF FF FF FF ... FF FF 6A 6A 6A 6A".

B.jic describes "... C1 9E CE 1E E1 FC 2A 00 6A 6A 6A 6A". (not FF FF...)

As I have no idea about jic file data format, I couldn't see the meaning of this difference.

And my point of view on this issue.

1. Can jic-file (or pof-file in EPCQL) control JTAG-TDO port on the way of auto configuration?

2. Is it possible to make TDI though out mode on TDO, without shift clock delay?

3. Why does it run correctly even on A.jic after writing B.jic?

Regards,

Tetsuya