JPS5585933A - Interruption signal generating circuit - Google Patents
Interruption signal generating circuitInfo
- Publication number
- JPS5585933A JPS5585933A JP16385578A JP16385578A JPS5585933A JP S5585933 A JPS5585933 A JP S5585933A JP 16385578 A JP16385578 A JP 16385578A JP 16385578 A JP16385578 A JP 16385578A JP S5585933 A JPS5585933 A JP S5585933A
- Authority
- JP
- Japan
- Prior art keywords
- input
- output
- changes
- interruption signal
- produce
- 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
- Bus Control (AREA)
Abstract
PURPOSE: To produce interruption signal with less number of components, by constitution of the exclusive logical sum circuit and several other logic circuits.
CONSTITUTION: A number of ON-OFF signal inputs such as relay contacts are present by 1WN. Assuming that the input 2 changes from OFF to ON and the input 4 from ON to OFF, and when N is an even number, since the input 4 is already ON, the output A of the exclusive logical sum circuit F is logic level 1. When the input 2 changes from OFF to ON, since the output A is 0, FFH is operative and the output B passes through the logic circuit J into the output D to produce the interruption signal. When the computer is finished for the data read-in, the reset pulse signal E is outputted to reset FFH under operation. Similarly, when the input 4 changes from ON to OFF, since the output A of the circuit F changes from 0 to 1, FFI is operative to produce the interruption signal.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16385578A JPS5585933A (en) | 1978-12-22 | 1978-12-22 | Interruption signal generating circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16385578A JPS5585933A (en) | 1978-12-22 | 1978-12-22 | Interruption signal generating circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5585933A true JPS5585933A (en) | 1980-06-28 |
Family
ID=15782025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16385578A Pending JPS5585933A (en) | 1978-12-22 | 1978-12-22 | Interruption signal generating circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5585933A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59160223A (en) * | 1983-03-03 | 1984-09-10 | Mitsubishi Electric Corp | Signal input device |
-
1978
- 1978-12-22 JP JP16385578A patent/JPS5585933A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59160223A (en) * | 1983-03-03 | 1984-09-10 | Mitsubishi Electric Corp | Signal input device |
JPS63830B2 (en) * | 1983-03-03 | 1988-01-08 | Mitsubishi Electric Corp |
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