Method and apparatus for programming electrically reprogrammable

Details Method and apparatus for programming electrically reprogrammable Method and apparatus for programming electrically reprogrammable

1994-04-28

1999-01-12

Chan, Eddie P.

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

711103, 707204, 39118204, G06F 1216

Patent

active

058601210

ABSTRACT:
A method and apparatus for programming electrically reprogrammable non-volatile memory associated with a processor which is also conventionally associated with read/write memory, both of which memories are necessary to operate the processor in a determined manner, optionally within some larger unit. In order to load the permanent data required for operation of the processor into the non-volatile memory, a memory-activation signal provided by the processor is switched to a temporarily connected auxiliary memory in order to start up the processor on the basis of initiation data contained in the auxiliary memory, to transfer into the read/write memory data that is present in the auxiliary memory and that corresponds to the data for recording in the non-volatile memory, and then to transfer the data from the read/write memory into the non-volatile memory after the processor has deactivated the auxiliary memory.

REFERENCES:
patent: 4748320 (1988-05-01), Yorimoto et al.
patent: 5038025 (1991-08-01), Kodera
patent: 5200600 (1993-04-01), Shinagawa
patent: 5386541 (1995-01-01), Moridaira
patent: 5634079 (1997-05-01), Buxton
Japanese Patent Abstract JP5813795 dated Aug. 15, 1983.

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