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fpga6's avatar
fpga6
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3 years ago
Solved

Arria 10 ASDATA Flash interface

Hi, I am using an Intel Arria 10 FPGA. Is it possible to access the pins ASDATA0/1/2/3 and DCLK to read/write to the configuration flash during user mode, without using Intel's "Generic serial fla...
  • fpga6's avatar
    fpga6
    3 years ago

    Issue resolved, flash problem due to failed/stuck bit in volatile configuration register.

    Solution to accessing Arria 10 ASDATA/DCLK pins, without using Intel IP, during user mode is to use Arria 10 primitives.

lixy's avatar
lixy
Icon for Contributor rankContributor
3 years ago

Hi,

According to Arria 10 Pin Connection Guideline, it is not mentioned that the AS_DATA0/ASDO and AS_DATA[1:3] pins can be used as GPIO pins. It does not mention that these pins can be used after configuration.

"When you do not program the device in the AS configuration mode, the ASDO pin is not used. When you do not use this pin, leave the pin unconnected. "

A10 PCG: https://www.intel.com/content/www/us/en/docs/programmable/683814/current/optional-dual-purpose-configuration-pins.html

Thanks & Regards,

Xiaoyan