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Altera_Forum's avatar
Altera_Forum
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16 years ago

CFI Flash doesn't read correcty after reset

I have a Stratix II GX with 2MBytes Flash in 8 bit mode and 512kBytes SRAM in 8 bit mode. The Flash memory is hooked up properly, in that most of my applications run just fine, but I'm having t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

The very first thing I would try is either a soft or hard reset to the flash. The flash most likely powers-up in read array mode. But truly you have no idea what state the flash is in if you perform a random reset. Issuing the write command puts the flash into a known state. Start with the reset and go from there.

Jake