Title:
PROGRAM REBOOTING METHOD AND PROGRAM REBOOTING DEVICE FOR MICROCOMPUTER
Document Type and Number:
Japanese Patent JP3233274
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide the program rebooting method and program rebooting device of a microcomputer capable of adopting a general purpose one-chip microcomputer in a highly reliable computer system and performing reprogramming even without using a special interface when a fault is generated in a built-in memory.
SOLUTION: By detecting the fault of the built-in memory M by the watchdog timer Wa of one one-chip microcomputer A, changing the mode of one side based on signals from the other one-chip microcomputer B, stopping the watchdog timer Wa and transferring a program from the other side to one side, one one-chip microcomputer A where the fault is generated obtains the support of the other one-chip microcomputer B and shifts and restores the mode by itself and the application of the one-chip microcomputer in the computer system of high reliability is made possible.
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Inventors:
Nohara Masaru
Application Number:
JP34028497A
Publication Date:
November 26, 2001
Filing Date:
December 10, 1997
Export Citation:
Assignee:
Nissan Motor Co., Ltd
International Classes:
G06F11/16; G06F1/00; G06F11/00; G06F11/14; G06F11/30; (IPC1-7): G06F11/14; G06F1/00; G06F11/00; G06F11/16; G06F11/30
Domestic Patent References:
| JP287260A | ||||
| JP5415657B2 |
Attorney, Agent or Firm:
Motonori Matoba