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AT45DB321D 数据表(PDF) 53 Page - ATMEL Corporation |
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AT45DB321D 数据表(HTML) 53 Page - ATMEL Corporation |
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53 / 54 page ![]() 53 3597J–DFLASH–4/08 AT45DB321D 29. Errata 29.1 Chip Erase 29.1.1 Issue In a certain percentage of units, the Chip Erase feature may not function correctly and may adversely affect device operation. Therefore, it is recommended that the Chip Erase commands (opcodes C7H, 94H, 80H, and 9AH) not be used. 29.1.2 Workaround Use Block Erase (opcode 50H) as an alternative. The Block Erase function is not affected by the Chip Erase issue. 29.1.3 Resolution The Chip Erase feature may be fixed with a new revision of the device. Please contact Atmel for the estimated availability of devices with the fix. |
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