JPS5461846A - Data input processing system - Google Patents
Data input processing systemInfo
- Publication number
- JPS5461846A JPS5461846A JP12911377A JP12911377A JPS5461846A JP S5461846 A JPS5461846 A JP S5461846A JP 12911377 A JP12911377 A JP 12911377A JP 12911377 A JP12911377 A JP 12911377A JP S5461846 A JPS5461846 A JP S5461846A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- data
- input device
- circuit provided
- time
- 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
Abstract
PURPOSE: To control data effectively on a system which controls a plant by inputting data from the plant to a CPU, by sending a time signal of a change in state to the CPU in addition to data on a change in state and its address signal.
CONSTITUTION: In the system equipped with a plural number of input devices D1 to Dn supplied with data, input controller 4 controlling those devices D1 to Dn, and CPU2 connected to controller 4, a detection circuit provided to each input device detects the change in state when occurring to one of plant contacts S1 to Sn, an interruption signal is sent from a request-to-interrupt signal generating circuit provided to the input device to bus 5 to interrupt CPU2, and at the same time, an interruption set signal is transmitted to a reception circuit provided to the input device. Then, timer counter TC counts a time signal indicating the time for data inputting and a request-to-interrupt signal from timer T provided to controller 4, whose output is transmitted to CPU2 via a gate circuit provided to the input device together with a data signal, address signal and time signal.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12911377A JPS5461846A (en) | 1977-10-27 | 1977-10-27 | Data input processing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12911377A JPS5461846A (en) | 1977-10-27 | 1977-10-27 | Data input processing system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5461846A true JPS5461846A (en) | 1979-05-18 |
Family
ID=15001381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12911377A Pending JPS5461846A (en) | 1977-10-27 | 1977-10-27 | Data input processing system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5461846A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS562054A (en) * | 1979-06-13 | 1981-01-10 | Ford Motor Co | Processing input and output data |
JPS562055A (en) * | 1979-06-13 | 1981-01-10 | Ford Motor Co | Processing binary output data of digital computer |
-
1977
- 1977-10-27 JP JP12911377A patent/JPS5461846A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS562054A (en) * | 1979-06-13 | 1981-01-10 | Ford Motor Co | Processing input and output data |
JPS562055A (en) * | 1979-06-13 | 1981-01-10 | Ford Motor Co | Processing binary output data of digital computer |
JPS6245578B2 (en) * | 1979-06-13 | 1987-09-28 | Ford Motor Co | |
JPS6245577B2 (en) * | 1979-06-13 | 1987-09-28 | Ford Motor Co |
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