JPS55146559A - Data processing unit - Google Patents
Data processing unitInfo
- Publication number
- JPS55146559A JPS55146559A JP5266579A JP5266579A JPS55146559A JP S55146559 A JPS55146559 A JP S55146559A JP 5266579 A JP5266579 A JP 5266579A JP 5266579 A JP5266579 A JP 5266579A JP S55146559 A JPS55146559 A JP S55146559A
- Authority
- JP
- Japan
- Prior art keywords
- processor
- data
- processing
- register
- halt
- 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
Abstract
PURPOSE: To make it possible to carry out processing at a high speed, by providing both a means by which a processing function is halted automatically by a program and a means which is able to release the halted status by the other processor, in case such a program as requires a halt of processing is executed.
CONSTITUTION: In case a processor A has to send a data to a processor B for convenience sake of its own processing, and also is executing a program whose next processing cannot be executed until it is sent out, the processor A sets a data for transmission to a register 3, and sends a data transfer request signal 1 to the processor B in accordance with a data transfer instruction from ROM. At the same time, the processor A drives a halt controlling circuit 6 in accordance with the data transfer instruction in order to perform a halt operation. On the other hand, B receives the request signal 1 from A, writes a data from the register 3 in a register 4 through a data bus 5, sends a transfer end signal to A, and releases the halted status.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5266579A JPS55146559A (en) | 1979-04-27 | 1979-04-27 | Data processing unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5266579A JPS55146559A (en) | 1979-04-27 | 1979-04-27 | Data processing unit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55146559A true JPS55146559A (en) | 1980-11-14 |
JPS6120903B2 JPS6120903B2 (en) | 1986-05-24 |
Family
ID=12921157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5266579A Granted JPS55146559A (en) | 1979-04-27 | 1979-04-27 | Data processing unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55146559A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62168260A (en) * | 1986-01-20 | 1987-07-24 | Mitsubishi Electric Corp | One-chip microcomputer |
JPS6341970A (en) * | 1986-08-07 | 1988-02-23 | Sanyo Electric Co Ltd | Microcomputer system |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6338702A (en) * | 1986-07-31 | 1988-02-19 | Mitsubishi Heavy Ind Ltd | Remote control type hydraulic control device with load sensitivity |
-
1979
- 1979-04-27 JP JP5266579A patent/JPS55146559A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62168260A (en) * | 1986-01-20 | 1987-07-24 | Mitsubishi Electric Corp | One-chip microcomputer |
JPS6341970A (en) * | 1986-08-07 | 1988-02-23 | Sanyo Electric Co Ltd | Microcomputer system |
Also Published As
Publication number | Publication date |
---|---|
JPS6120903B2 (en) | 1986-05-24 |
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