Title:
REAL-TIME CLOCK DEVICE, INFORMATION PROCESSOR AND ELECTRONIC APPARATUS
Document Type and Number:
Japanese Patent JP2011113173
Kind Code:
A
Abstract:
To provide a real-time clock device or the like generating an interrupt signal accurately in terms of time.
The real-rime clock device 10 includes a carry control part 30, a clocking part 40, and an interrupt output control part 50. The carry control part 30 generates a carry signal 300 based on a reference clock signal 200 and an access signal 600D. The clocking part 40 performs clocking processing based on the carry signal 300 and generates clocking information. The interrupt output control part 50 generates the interrupt signal 106 not affected by the state of the access signal 600D based on the reference clock signal 200, and outputs it to the outside of the real-time clock device 10.
Inventors:
MATSUZAKI TAKASHI
Application Number:
JP2009267280A
Publication Date:
June 09, 2011
Filing Date:
November 25, 2009
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
G06F1/14; G04G99/00
Attorney, Agent or Firm:
Yukio Fuse
Mitsue Obuchi
Misa Nagata
Mitsue Obuchi
Misa Nagata
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