Microcomputer, microcomputer containing apparatus, and IC card

Microcomputer, microcomputer containing apparatus, and IC card

A microcomputer includes a CPU, a RAM for storing data, an oscillation circuit and a battery. The CPU has a first threshold for a power supply voltage for ensuring normal operation. The oscillation circuit supplies an oscillation signal to the CPU and also has a second threshold for a power supply v...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: NISHIOKA, KOUICHI
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
HANDLING RECORD CARRIERS
INFORMATION STORAGE
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
STATIC STORES
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Beschreibung
Zusammenfassung:A microcomputer includes a CPU, a RAM for storing data, an oscillation circuit and a battery. The CPU has a first threshold for a power supply voltage for ensuring normal operation. The oscillation circuit supplies an oscillation signal to the CPU and also has a second threshold for a power supply voltage for ensuring normal operation. The second threshold is higher than the first threshold.