Electrical computers and digital processing systems: memory – Storage accessing and control – Specific memory composition
Reexamination Certificate
2009-09-14
2011-12-27
Choe, Yong (Department: 2185)
Electrical computers and digital processing systems: memory
Storage accessing and control
Specific memory composition
C711S101000, C711S104000, C711S106000, C711S154000
Reexamination Certificate
active
08086788
ABSTRACT:
A memory interface controller and method to allow a processor designed and configured to operate with NOR flash and static random access memory SRAM devices to instead operate using NAND flash and synchronous dynamic random access memory SDRAM. The system accomplishes this by caching sectors out of NAND flash into SDRAM, where the data can be randomly accessed by the processor as though it were accessing data from NOR flash/SRAM. Sectors containing data required by the processor are read out of NAND flash and written into SDRAM, where the data can be randomly accessed by the processor.
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Madter Richard C.
Randell Jerrold R.
Werder Karen Alicia
Choe Yong
Dimock Stratton LLP
Research In Motion Limited
Wilson Jenna L.
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