JPS644855A - Communication method between microcomputers - Google Patents
Communication method between microcomputersInfo
- Publication number
- JPS644855A JPS644855A JP16038787A JP16038787A JPS644855A JP S644855 A JPS644855 A JP S644855A JP 16038787 A JP16038787 A JP 16038787A JP 16038787 A JP16038787 A JP 16038787A JP S644855 A JPS644855 A JP S644855A
- Authority
- JP
- Japan
- Prior art keywords
- request signal
- transmission request
- discrimination code
- receiving side
- party
- 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
- Multi Processors (AREA)
Abstract
PURPOSE:To prevent an error for a data processing by inputting a receiving side discrimination code to the inside of a serial buffer, and investigating whether a data in the serial buffer is a receiving side discrimination code or not after a microcomputer side which has outputted a transmitting request signal has been shifted by the number of unit bits. CONSTITUTION:When each microcomputer 8, 9 has become a receiving state by receiving a transmission request signal from the other party, a receiving side discrimination code which has been determined in advance is inputted to the inside of serial buffers 12, 13, and after the microcomputer side which has outputted the transmission request signal has been shifted by the number of unit bits, whether a data in the serial buffer is a receiving side discrimination code or not is investigated. In such a way, even if the transmission request signal is outputted simultaneously from both the microcomputers 8, 9, and it is misconceived that the transmission request signal from the other party is a receivable response signal, and the processing advances in such a way as both of them are transmission sides, whether the other party has received said signal or not can be confirmed, and an error for the data processing can be prevented.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16038787A JPS644855A (en) | 1987-06-26 | 1987-06-26 | Communication method between microcomputers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16038787A JPS644855A (en) | 1987-06-26 | 1987-06-26 | Communication method between microcomputers |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS644855A true JPS644855A (en) | 1989-01-10 |
Family
ID=15713861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16038787A Pending JPS644855A (en) | 1987-06-26 | 1987-06-26 | Communication method between microcomputers |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS644855A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007040169A (en) * | 2005-08-03 | 2007-02-15 | Yamaha Motor Co Ltd | Engine, intake device provided on engine and vehicle equipped with engine |
-
1987
- 1987-06-26 JP JP16038787A patent/JPS644855A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007040169A (en) * | 2005-08-03 | 2007-02-15 | Yamaha Motor Co Ltd | Engine, intake device provided on engine and vehicle equipped with engine |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3369817D1 (en) | Method of reducing the data rate of data successively transmitted between a transmitter and a receiver, and a system for carrying out the method | |
GB2235112B (en) | Communication system,transmitter and receiver for use in a communication system,and method for recovering data in a communication system. | |
CA2038843A1 (en) | Apparatus and methods for performing an application-defined operation ondata as part of a system-defined operation on the data | |
EP0349325A3 (en) | Digital signal transmission apparatus | |
HK1039851B (en) | Signal transmitting apparatus and method, receiving apparatus and method, and signal transmission system and method | |
EP0367215A3 (en) | Transmission line encoding/decoding system | |
EP0132401A3 (en) | Information transmission system | |
JPS644855A (en) | Communication method between microcomputers | |
DE3268867D1 (en) | Process and system for the differential coding and decoding of data, with limitation of the propagation of transmission errors | |
EP0757455A3 (en) | Data transmission system with cyclic redundancy checksum value | |
EP0370291A3 (en) | System and devices for transmitting signals consisting of data blocks | |
JPS5632852A (en) | Composite transmission system for data and sound | |
JPS6478543A (en) | Data transmission system | |
CA2000582A1 (en) | Optical transmission device | |
EP0231907A3 (en) | Transmission control apparatus for duplex loop type transmission system | |
JPS6447153A (en) | Dummy data and normal data transmission/reception system | |
JPS5631264A (en) | Composite transmission system of data and sound | |
JPS64833A (en) | Data transmission equipment | |
JPS57212843A (en) | Signal transmitting system | |
GB2147477B (en) | Data transmitter data receiver and data transmission system | |
JPS55124827A (en) | Failure discrimination system for data transmission system | |
JPS6461851A (en) | Data transmission/reception system | |
JP2993134B2 (en) | Monitoring control data transmission method | |
ES8703696A1 (en) | Circuit arrangement for remote data transfer checking. | |
JPH0313038A (en) | Asynchronous serial data transmitter |