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Altera_Forum's avatar
Altera_Forum
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16 years ago

Nios boot loader

Hi. I am new in Nios subject, but i have not many time to study this issue. My boss wants results, so please, help me as you can. One of functionalities for my system is to update the program(I ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

If something goes wrong when you write in the flash, then on the next power up, the FPGA won't be able to load its configuration, and you will need a JTAG connection to reconfigure it.

If you have two images, and a problem occurs when flashing the application image, the FPGA can still configure itself with the first image and wait for instructions. It is then possible to correct the problem without a JTAG interface.