FLASH MEMORY AND FLASH MEMORY ACCESSING METHOD
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United States of America Patent
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N/A
Issued Date -
Sep 27, 2012
app pub date -
Mar 21, 2011
filing date -
Mar 21, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A flash memory accessing method is provided. The method includes: firstly, dividing the flash memory into a primary storage area and a backup storage area, wherein the difference between a first start address of the primary storage area and a second start address of the backup storage area is an offset address not equal to zero; reading the flash memory according to a address pointer equal to the first start address so as to obtain the boot data; making the electronic apparatus perform a boot sequence according to the boot data; then, detecting whether the boot sequence is normal or not, and when the boot sequence is abnormal, providing the flash memory with changing the read pointer to the second start address according to an offset address to read the backup boot data.
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