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Altera_Forum
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9 years ago

Route HPS UART pins to FPGA pins DE0 nano SoC

Hi I am using a DE0 nano SoC and I need, for my VHDL design, the RX and TX signals from UART (I understand they are available just for de HPS Cortex A9), but in this case I need them to connec...
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Altera_Forum
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9 years ago

Hi, you can actually use the UART IP in the FPGA if the HPS is not needed. Of course this means that you can't use the built in UART USB on DE0-Nano-SoC (since it is connected to the HPS UART). Search UART in the IP Catalog and you should see "Altera 16550 Compatible UART" and "UART (RS-232 Serial Port)" in the list. Note that I am using Quartus 16.0

The user guide for these IPs are located here:

https://www.altera.com/en_us/pdfs/literature/ug/ug_embedded_ip.pdf

You will then need to connect the IP output to FPGA pins (for example, the DE0 Nano SoC has GPIO expansion header that you can use)