Mity CPU Platforms » MitySOM-5CSX Altera Cyclone V

06/25/2026

AF 09:31 PM Software Development: Using GPIO command on UBoot command line...is there any pin mapping between HPS pin # and GPIO pin #?

Hi,
I have the CriticalLink UBoot image on a terminal program. There is the GPIO set/clear/toggle command. It wants a pin number. I have a logic analyzer on HPS GPIO 53 (pin 26 on the MitySOM connector). After UBoot comes up, that... Austin Franklin

06/24/2026

AF 03:38 PM PCB Development: RE: LED on nCONFIG...

Hi Mike,
Thank you for the confirmation. I've attached a picture of my proposed update to our MitySOM boards. Any comments appreciated.
Best Regards,
Austin
Austin Franklin

MF 02:21 PM PCB Development: RE: LED on nCONFIG...

Hi Austin,
You are correct that the Cyclone V cannot drive this pin. It is a configuration control input which must be driven externally via HW if needed. You would drive this pin low if you needed to reset, reconfigure the device or ... Mike Fiorenza

06/23/2026

AF 10:46 PM PCB Development: LED on nCONFIG...

On the CriticalLink MitySOM-5CSX development board, there is an LED D100 connected to nCONFIG (pin 39). According to the Intel/Altera documentation, nCONFIG is an input to the Cyclone V. I don't find anything in the Intel/Altera docs t... Austin Franklin