JPS5587254A - Parity check system for two-way bus - Google Patents
Parity check system for two-way busInfo
- Publication number
- JPS5587254A JPS5587254A JP16039478A JP16039478A JPS5587254A JP S5587254 A JPS5587254 A JP S5587254A JP 16039478 A JP16039478 A JP 16039478A JP 16039478 A JP16039478 A JP 16039478A JP S5587254 A JPS5587254 A JP S5587254A
- Authority
- JP
- Japan
- Prior art keywords
- parity
- parity check
- check system
- way bus
- transmitted
- 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 Correction Of Errors (AREA)
Abstract
PURPOSE: To make units diagnose by themselves without data transfer among units by comparing a parity code, obtained from transmitted or received information through fixed arithmetic, with that of transmitted or received information.
CONSTITUTION: In case of reception, a drive gate signal is [0]. For the purpose, information on pure data bit line BD and a parity bit on parity bit line Bp are inputted to parity-checker/generator 4 for a parity check. This result is sent to FF6 by way of multiplexer 5 and when a parity is detected, FF6 is set.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53160394A JPS5855530B2 (en) | 1978-12-25 | 1978-12-25 | Bidirectional bus parity check method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53160394A JPS5855530B2 (en) | 1978-12-25 | 1978-12-25 | Bidirectional bus parity check method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5587254A true JPS5587254A (en) | 1980-07-01 |
JPS5855530B2 JPS5855530B2 (en) | 1983-12-10 |
Family
ID=15713997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53160394A Expired JPS5855530B2 (en) | 1978-12-25 | 1978-12-25 | Bidirectional bus parity check method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5855530B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5872254A (en) * | 1981-10-26 | 1983-04-30 | Nec Corp | Parity checking and parity bit generating circuit |
-
1978
- 1978-12-25 JP JP53160394A patent/JPS5855530B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5872254A (en) * | 1981-10-26 | 1983-04-30 | Nec Corp | Parity checking and parity bit generating circuit |
Also Published As
Publication number | Publication date |
---|---|
JPS5855530B2 (en) | 1983-12-10 |
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