JPS6419897A - Key telephone system of function scattered processing control type - Google Patents
Key telephone system of function scattered processing control typeInfo
- Publication number
- JPS6419897A JPS6419897A JP17493787A JP17493787A JPS6419897A JP S6419897 A JPS6419897 A JP S6419897A JP 17493787 A JP17493787 A JP 17493787A JP 17493787 A JP17493787 A JP 17493787A JP S6419897 A JPS6419897 A JP S6419897A
- Authority
- JP
- Japan
- Prior art keywords
- interruption
- cpu
- terminal
- sleep mode
- telephone system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Abstract
PURPOSE:To prevent consumption of reactive power by providing a microcomputer having a sleep function containing two interruption ports to each of plural secondary units and holding a sleep mode until the next interruption processing occurs after the interruption processing is through to 1st and 2nd interruption ports. CONSTITUTION:A microcomputer CPU 1 set in a secondary unit 6 has a sleep mode and a normal action mode by means of software. When an interruption signal is inputted to a terminal iR02 in a sleep mode, the CPU 1 sets a timer for an internal interruption. Then the CPU 1 masks the terminal iR02 and inhibits the input of the next interruption signal before the masking of the terminal iR20 is released. Furthermore the CPU 1 transits again in a sleep mode after setting the incoming start data at a transmission buffer and waits for input of both terminals iR01 and iR03. When the periodical interruption request signals are inputted to the terminal iR01 from a main unit, the CPU 1 wakes up and transits in a normal action mode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17493787A JPS6419897A (en) | 1987-07-15 | 1987-07-15 | Key telephone system of function scattered processing control type |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17493787A JPS6419897A (en) | 1987-07-15 | 1987-07-15 | Key telephone system of function scattered processing control type |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6419897A true JPS6419897A (en) | 1989-01-23 |
Family
ID=15987335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17493787A Pending JPS6419897A (en) | 1987-07-15 | 1987-07-15 | Key telephone system of function scattered processing control type |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6419897A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0534792U (en) * | 1991-10-07 | 1993-05-07 | 日通工株式会社 | Energy saving button phone system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61199399A (en) * | 1985-02-28 | 1986-09-03 | Tamura Electric Works Ltd | Data-processing-control system for key telephone equipment |
JPS61220016A (en) * | 1985-03-26 | 1986-09-30 | Fujitsu Ltd | Sleeve mode control system of processor |
JPS61257049A (en) * | 1985-05-09 | 1986-11-14 | Yokogawa Hewlett Packard Ltd | Power saving type modem |
-
1987
- 1987-07-15 JP JP17493787A patent/JPS6419897A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61199399A (en) * | 1985-02-28 | 1986-09-03 | Tamura Electric Works Ltd | Data-processing-control system for key telephone equipment |
JPS61220016A (en) * | 1985-03-26 | 1986-09-30 | Fujitsu Ltd | Sleeve mode control system of processor |
JPS61257049A (en) * | 1985-05-09 | 1986-11-14 | Yokogawa Hewlett Packard Ltd | Power saving type modem |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0534792U (en) * | 1991-10-07 | 1993-05-07 | 日通工株式会社 | Energy saving button phone system |
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