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Altera_Forum's avatar
Altera_Forum
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16 years ago

how to conect external hardware to the nios ii

hello everyone!! well i need some help, im trying to conect some test hardware to my nios, but i m not sure how to do it. I have the program in c and i have to put some externals interruptions and...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Get aquainted with this webpage and bookmark it:

http://www.altera.com/literature/lit-nio2.jsp

Basically there are a few ways to interact with with external hardware:

1 - Use PIO ports. These are just regular I/O ports that connect to your NIOS processor and go to the outside world. You can write to them, read from them ,get interrupts from them, etc.

2 - Export part of the avalon bus from the SoPC system so your logic can be accessed from the processor.

3 - Create your own custom component to interface between the NIOS and your hardware.

Jake