Re: Flash memory

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Argh. Outlook crashed! In short, check the datasheet for the flash. It will
tell you how to program it. Usually they seem to offer a "software data
protection" scheme.

SOFTWARE DATA PROTECTION PROGRAMMING: The

AT29LV256 has 512 individual sectors, each 64 bytes.

Using the software data protection feature, byte loads are

used to enter the 64 bytes of a sector to be programmed.

The AT29LV256 can only be programmed or reprogrammed

using the software data protection feature. The

device is programmed on a sector basis. If a byte of data

within the sector is to be changed, data for the entire 64-

byte sector must be loaded into the device. The

AT29LV256 automatically does a sector erase prior to

loading the data into the sector. An erase command is not

required.

http://www.atmel.com/dyn/resources/prod_documents/DOC0563.PDF
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