Data processor

Data processor

To obtain a correct vector address even if an interrupt occurs during erasing or programming of the data in a built-in ROM 18 by moving a part of a built-in RAM 13 to a vector address area by a bus controller 27 . Thereby, a microcomputer is prevented from running away and the safety of a system is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: IWATA KATSUMI
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
INFORMATION STORAGE
PHYSICS
STATIC STORES
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Beschreibung
Zusammenfassung:To obtain a correct vector address even if an interrupt occurs during erasing or programming of the data in a built-in ROM 18 by moving a part of a built-in RAM 13 to a vector address area by a bus controller 27 . Thereby, a microcomputer is prevented from running away and the safety of a system is improved at the time of on-board programming of the built-in ROM 18.