Electrical computers and digital data processing systems: input/ – Interrupt processing
Reexamination Certificate
2007-09-11
2007-09-11
Lee, Thomas (Department: 2115)
Electrical computers and digital data processing systems: input/
Interrupt processing
C710S266000, C713S502000
Reexamination Certificate
active
10694849
ABSTRACT:
An information processing device having low power consumption without affecting interruption request response speed. The device specifies a waiting time until execution of a given event and makes a system call and includes a first timer circuit for a first cycle; a second timer circuit for a second cycle shorter than the first cycle; a timeout supervisor which stores the waiting time; and a first cycle supervisor which stores waiting time until the next interruption request. The timeout supervisor stores the time calculated by subtraction of the waiting time stored in the first cycle supervisor from that in the timeout supervisor upon an interruption request from the first timer; and if the waiting time stored in the timeout supervisor is shorter than the first cycle, the second cycle time is subtracted from the time stored in the timeout supervisor upon an interruption request from the second timer circuit.
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Misaka Satoshi
Yamada Shinjiro
Lee Thomas
Mattingly ,Stanger ,Malur & Brundidge, P.C.
Renesas Technology Corp.
Suryawanshi Suresh K
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