Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

SPI Flash devices

I am looking for a SPI FLASH device to configure a Cyclone III device in AS mode. I know that other manufacturers make FLASH parts that are compatible with the Altera EPCSx series, but Altera does n...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

I have used both Numonyx M25P16 and M25P80 with Cyclone III successfully.

The M25P80 can be problematic depending on which version of Quartus is used. The latest programming tools will generally refuse to program it even though it worked with older versions. With the newer versions of Quartus, I had to convert the JIC file to a JAM file. I could then edit the ID check in the JAM file to make it work. However, once I had my own Remote Update routines working, I didn't need to rely on the Altera tools anymore anyway.