Forum Discussion

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

Cyclone III not configuring, using AS.

I'm currently using Cyclone III (EP3C5F256C8) and I'm trying to configure it and it's not happening. I'm using AS connected to a FLASH chip (M25P16). nCONFIG, nSTATUS, CONF_DONE and INIT_DONE are pul...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

--- Quote Start ---

The flash is loaded with the .rbf through a BK precision programmer.

--- Quote End ---

This gives room for a lot of faults. You might already misunderstand the expected configuration data bit-order which is different from regular SPI protocol. Do you know that you can load the AS flash through JTAG indirect programming and also verify the flash content this way? Hope you didn't omit the JTAG interface.