Forum Discussion

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

Bidirectional IO connected to FPGA fabric on Cyclone V SOC Dev. Kit

I have a Cyclone V SoC Dev. kit. (DK-DEV-5CSXC6N) Which has a 5CSXFC6D6F31 Cyclone V FPGA I need to connect my own I2C slave-only controller implemented in the FPGA fabric to a couple of pins acce...
Fpga Devkit
AqidAyman_Altera's avatar
AqidAyman_Altera
Icon for Regular Contributor rankRegular Contributor
3 years ago

Hello,


You can refer to the pinout file for the respective device that you used, for example this case is Cyclone V. Refer link below:

https://www.intel.com/content/www/us/en/support/programmable/support-resources/devices/lit-dp.html


For each type of the pin description and guidelines, you can refer to link below:

https://www.intel.com/content/www/us/en/content-details/654351/cyclone-v-gx-gt-e-sx-st-and-se-device-family-pin-connection-guidelines.html?DocID=654351


FvM's avatar
FvM
Icon for Super Contributor rankSuper Contributor
3 years ago
Hi,
except for a few dedicated clock signals and Gigabit transceiver signals, none of the HSMC connected FPGA pins is unidirectional. You'll see if you study the pin list. It's just the case that HSMC standard assigns directions to specific pins.

Regards
Frank