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Ms_G's avatar
Ms_G
Icon for New Contributor rankNew Contributor
3 years ago

Quad SPI flash IO Voltage

Hi, I am using winbond quad spi flash - all 4 flash IOs are connected to Cyclone 10 FPGA. 2 IOs are connected to Bank 1, which is at 2.5VDC level 2 IOs are connected to Bank 8, which is at 3.3VD...
Fpga Devkit
EthanLi's avatar
EthanLi
Icon for Occasional Contributor rankOccasional Contributor
3 years ago

Hi there,


Is your device is Cyclone 10 LP or Cyclone 10 GX?

Since the configuration pin of the Cyclone 10 GX is powered by Vccpgm during configuration, I think your device is Cyclone 10 LP.

For Cyclone 10 LP device, the configuration voltage should be 3.3V or 3.0V based on your MSEL settings.


Please refer to the device handbook 6.3.1. MSEL Pin Settings.

https://www.intel.com/content/www/us/en/docs/programmable/683777/current/msel-pin-settings.html


and the KDB for VCCIO in bank 1:

https://www.intel.com/content/www/us/en/support/programmable/articles/000074744.html


Thanks,

Ethan