Electronic organizer with a flash memory and associated data arc

Details Electronic organizer with a flash memory and associated data arc Electronic organizer with a flash memory and associated data arc

1995-07-20

1997-09-30

Kim, Matthew M.

395492, 395428, G06F 1216

Patent

active

056734174

ABSTRACT:
An electronic organizer including a CPU, a key switch matrix, a LCD drive, a LCD, a power supply, a flash memory, and a SRAM, wherein the flash memory has a program storage zone for storing the system control program, and a personal data storage zone divided into a plurality of sub-data storage zones for storing different personal data; the SRAM has a system parameter storage zone for storing a plurality of system parameters, and a personal data working zone for registering data from the personal data storage zone of the flash memory; when the user selects the desired personal data from the flash memory through the key switch matrix, the CPU is driven to fetch the respective data from the flash memory and register the data in the personal data working zone of the SRAM for permitting the user to search or edit the data by means of the parameters in the system parameter storage zone of the SRAM; the registered data will not be sent from the personal data working zone of the SRAM back to the flash memory when the search is done, and will be sent from the personal data working zone of the SRAM back to the flash memory after when the data is edited.

REFERENCES:
patent: 5457476 (1995-10-01), Jensen
patent: 5606532 (1997-02-01), Lambrache et al.
Misubishi Electric Introduces mixed memory card incorporating SRAM and Flash Memory, Dateline, Tokyo, Japan Oct. 6, 1992.
Feigel, Flash memory heads toward mainstream . . . , Microprocessor Report, v8,n7, p19(7) 1994.

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