Forum Discussion
Naresh9812
New Contributor
New ContributorEPCS64 access from HPS on Cyclone V
Hi, I am working on Terasic SoC System on Module Evaluation KIT. I am trying to configure FPGA from HPS through FPPx32 configuration scheme and then read/copy EPCS64 sector to HPS DDR3 memory. M...
whitepau_altera
Contributor
ContributorHi Naresh,
I discussed your issue with a colleague, and we studied the schematic for your devkit:
https://www.terasic.com.tw/cgi-bin/page/archive_download.pl?Language=English&No=1211&FID=ed51cec1fd3eff2414308b716a4a21fe
Given that the EPCS is connected to the active serial pins on the Cyclone V, it is only accessible during configuration. Since you hav chosen to configure via FPPx32, you cannot access the EPCS once the HPS has booted.
