JPS6454841A - Input information detection circuit - Google Patents
Input information detection circuitInfo
- Publication number
- JPS6454841A JPS6454841A JP21079287A JP21079287A JPS6454841A JP S6454841 A JPS6454841 A JP S6454841A JP 21079287 A JP21079287 A JP 21079287A JP 21079287 A JP21079287 A JP 21079287A JP S6454841 A JPS6454841 A JP S6454841A
- Authority
- JP
- Japan
- Prior art keywords
- detection circuit
- information
- input
- output
- clock detection
- 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 detect three kinds of status from one status signal line, by using output from two gates and the output from a clock detection circuit. CONSTITUTION:The titled circuit is constituted of an information input terminal 10 to which information is inputted, the clock detection circuit 12 to detect whether or not the information inputted from the information input terminal 10 is a clock, a first gate 13 to receive the output 3 of the clock detection circuit 12 on one side of the input and the information inputted from the information input terminal 10 on the other side of the input, and a second gate 14 to receive the output 3 of the clock detection circuit 12 on one side of the input and the inversion signal of the information inputted from the information input terminal 10 on the other side of the input. In such a way, it is possible to take out signals representing the three kinds of status of input information from the clock detection circuit 12, and the first and second gates 13 and 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21079287A JPS6454841A (en) | 1987-08-25 | 1987-08-25 | Input information detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21079287A JPS6454841A (en) | 1987-08-25 | 1987-08-25 | Input information detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6454841A true JPS6454841A (en) | 1989-03-02 |
Family
ID=16595209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21079287A Pending JPS6454841A (en) | 1987-08-25 | 1987-08-25 | Input information detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6454841A (en) |
-
1987
- 1987-08-25 JP JP21079287A patent/JPS6454841A/en active Pending
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