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Altera_Forum's avatar
Altera_Forum
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17 years ago

the problem about sector and chip earse time of flash S29AL032D?

in the altera fpga starter developmet kit, the flash is S29AL032D,the time request like following: Sector Erase Time 0.7 s Chip Erase Time 45 s but in the example, the Sector Erase ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

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It still works after re-programming?

Chip Erase time should around 1 minute for most of Flash 32Mb~64Mb in my experience.

If this is true, you found a very fast way to make a Flash programmer.

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i tried a lot of times.sometimes,the kit works well after re-programming, when i long the chip erase time to 45s, everytime is nice. so i think the example code is wrong.

as your mentioned, the code is for SST flash.