Editing Flash
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| Latest revision | Your text | ||
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== Notes == | == Notes == | ||
*All offsets on the index page are absolute. Offsets on subpages are relative within each section (unless otherwise mentioned) | *All offsets on the index page are absolute. Offsets on subpages are relative within each section (unless otherwise mentioned) | ||
*NOR and NAND are [http://en.wikipedia.org/wiki/Block_%28data_storage%29 blockdevices] and thus: | *NOR and NAND are [http://en.wikipedia.org/wiki/Block_%28data_storage%29 blockdevices] and thus: | ||
**The minimal chunk of data that can be read/written is a block (with flashdevices also named page). A block that has never been written (only erased/formatted) is filled with 0xFF's. When bytes are written to a block, the entire block must be written. The write process fills the nonused bytes (slack space) at the remainder of the block with 0x00's | **The minimal chunk of data that can be read/written is a block (with flashdevices also named page). A block that has never been written (only erased/formatted) is filled with 0xFF's. When bytes are written to a block, the entire block must be written. The write process fills the nonused bytes (slack space) at the remainder of the block with 0x00's | ||