Electrical computers and digital processing systems: memory – Address formation – Address mapping
Reexamination Certificate
2006-09-26
2006-09-26
Padmanabhan, Mano (Department: 2188)
Electrical computers and digital processing systems: memory
Address formation
Address mapping
C713S001000, C713S002000
Reexamination Certificate
active
07114052
ABSTRACT:
The present invention aims at providing a semiconductor memory device that can be operational in a desired boot block mode, regardless of the original boot block type of the device, by facilitating rewriting of the memory device. A sector address from an outside source is inputted into a sector-address conversion circuit, which converts the sector address into an internal address, and a memory cell array is accessed through an address decoder circuit. Suppose that each of banks of the memory device is configured as a bottom boot type. By converting the sector address by the sector-address conversion circuit such that the sector-address now appears to the outside in the reverse order, each of the banks now functions as a top boot type.
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Arent & Fox PLLC
Baker Paul
Fujitsu Limited
Padmanabhan Mano
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