Microcomputer, programming method and erasing method

Details Microcomputer, programming method and erasing method Microcomputer, programming method and erasing method

2007-03-20

2007-03-20

Verbrugge, Kevin (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S115000

Reexamination Certificate

active

11037261

ABSTRACT:
The present invention provides a microcomputer wherein in a system which needs to respond to events developed at intervals each shorter than an erase/program process time, erase/programming can be effected on an on-chip non-volatile memory as necessary during its processing. An erase and program control program for an electrically erasable and programmable non-volatile memory is configured inclusive of a loop of the application of a high voltage pulse and data verify or the like, for example. If a program jumped to a subroutine for an address specified by a user is programmed in advance during this loop, then a process by a CPU can be temporarily jumped to the subroutine for the user defined address. Thus, erase and programming can be effected on a system which needs to confirm internal and external events every predetermined intervals or a system with a learning function, or the like during the execution of a user program.

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