Microcomputer which enters sleep mode for a predetermined period of time on response to an activity of an input/output device
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United States of America Patent
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-
Jan 21, 1992
Grant Date -
N/A
app pub date -
Dec 24, 1987
filing date -
Dec 26, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
When information from input/output devices is requested by application software, a timer sets a predetermined sleep time period, and when the sleep time period expires, it is checked whether the information has been obtained. The sleep time period is suitably set in consideration of the response speed of the input/output devices and the influence of the delay on the processing. Accordingly, the sleep mode is entered while waiting for an input/output response, thus reducing electric power consumption.
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