Method and device for reducing current consumption of a microcontroller
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United States of America Patent
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Apr 30, 2002
Grant Date -
N/A
app pub date -
Nov 8, 1999
filing date -
Feb 9, 1999
priority date (Note) -
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Abstract
A method and device reduces consumption of a microcontroller, allowing the microcontroller to enter into an 'active halt' mode in which the central processing unit, the internal peripheral circuits, and a clock tree are deactivated. The main oscillator is operative and delivers an oscillating signal. An internal interruption returns the microcontroller back into the run mode and is generated after a time delay obtained by an internal circuit activated by the oscillating signal.
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