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Altera_Forum
Honored Contributor
10 years agoWhy does an output only 8-bit wide PIO use/needs 16 memory locations (0x2010-0x201F)?
Hi all, I'm new to the Nios/Qsys/Eclipse. I've used Quartus software before but never with Nios. I'm using a Nios Gen2 with a MAX10 (BeMicroMAX10). The free version of Nios. The bas...
Altera_Forum
Honored Contributor
10 years agoHave a look at the documentation for the pio core (https://www.altera.com/content/dam/altera-www/global/en_us/pdfs/literature/ug/ug_embedded_ip.pdf), chapter 11. Depending on the options, a PIO core uses 4 or 6 32-bit registers. In addition to the pin accesses and direction control, you have a edge capture register and an interrupt mask register.