JPS5533356A - Error detection circuit - Google Patents
Error detection circuitInfo
- Publication number
- JPS5533356A JPS5533356A JP10584278A JP10584278A JPS5533356A JP S5533356 A JPS5533356 A JP S5533356A JP 10584278 A JP10584278 A JP 10584278A JP 10584278 A JP10584278 A JP 10584278A JP S5533356 A JPS5533356 A JP S5533356A
- Authority
- JP
- Japan
- Prior art keywords
- decoder
- signal
- circuit
- output
- input signal
- 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.)
- Granted
Links
Landscapes
- Detection And Prevention Of Errors In Transmission (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
PURPOSE: To ensure the error detection for the decoder with a small number of the elements by providing the decoder to decode the N-bit input signal, the parity check circuit and the circuit which selects one of the output signals of the decoder based on the input signal.
CONSTITUTION: The decimal number data to be decoded is given to decoder 100 via terminals A∼C as well as to signal selection circuit 102 in the form of selection designation input signal 201. The output of decoder 100 is applied to parity check circuit 101 as well as to circuit 102 in the form of signal 206 to be selected. When the decoding state of the decoder is normal, output signals 207 and 208 of circuits 101 and 102 each feature logic 1 along with output signal 209 of NAND circuit 104 turned to logic 0 respectively, thus showing the normal state. In case the decoder produces the output at the erroneous position, signal 207 becomes 1 with signal 208 turned to 0. Thus output signal 209 features 1 to display the error of the decoder.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10584278A JPS5533356A (en) | 1978-08-29 | 1978-08-29 | Error detection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10584278A JPS5533356A (en) | 1978-08-29 | 1978-08-29 | Error detection circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5533356A true JPS5533356A (en) | 1980-03-08 |
JPS6111492B2 JPS6111492B2 (en) | 1986-04-03 |
Family
ID=14418263
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10584278A Granted JPS5533356A (en) | 1978-08-29 | 1978-08-29 | Error detection circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5533356A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58129855A (en) * | 1982-01-27 | 1983-08-03 | Nec Corp | Deciding circuit for pulse pattern normalcy |
-
1978
- 1978-08-29 JP JP10584278A patent/JPS5533356A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58129855A (en) * | 1982-01-27 | 1983-08-03 | Nec Corp | Deciding circuit for pulse pattern normalcy |
Also Published As
Publication number | Publication date |
---|---|
JPS6111492B2 (en) | 1986-04-03 |
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