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Altera_Forum's avatar
Altera_Forum
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14 years ago

How long should it take to write to flash?

I am just wondering how long it should take to write to flash, the following line of code takes about 8 seconds to update a 128k block of CFI flash memory. Is this normal? alt_write_flash ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Thanks for the info, I found in the datasheet that typical block erase time is 0.8 seconds and single word writes are typical 150 us. So it looks like 9.8s is typical to write a block. Thanks for the explanation, it looks like I can suggest implementing buffered programming to cut the update time by 20-25 minutes.