Electrical computers and digital data processing systems: input/ – Input/output data processing – Peripheral configuration
Reexamination Certificate
2011-08-30
2011-08-30
Kindred, Alford W (Department: 2181)
Electrical computers and digital data processing systems: input/
Input/output data processing
Peripheral configuration
C710S001000, C710S009000, C710S010000, C710S104000, C710S003000, C713S001000, C713S002000, C713S100000
Reexamination Certificate
active
08010710
ABSTRACT:
A memory controller is unaware of device types of a plurality of memory devices in a serial interconnection configuration. Possible device types include, e.g., random access memories (DRAM, SRAM, MRAM) and NAND-, NOR- and AND-type Flash memories. Each device has device type information on its device type. Each device is capable of performing a “+1” to an input search number. First, the memory controller sends a specific device type (“don't care”) and an initial search number. Each device performs the “+1” calculation. The last device provides the memory controller with an Nד+1” search number from which the memory controller can recognize the total number of devices in the serial interconnection configuration. Thereafter, the memory controller sends a pre-determined device number for device type matching. Each device performs device type match determination of “previous match”, “present match” and “don't care match” and based on the match determination, the input search number is or is not modified and propagated through the devices. From the propagated search number, the memory controller can identify the device type of each device.
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Abad Farley
Borden Ladner Gervais LLP
Kindred Alford W
Kinsman Leslie A.
Mosaid Technologies Incorporated
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