JPS5650451A - Multiaccess system of multimicrocomputer - Google Patents
Multiaccess system of multimicrocomputerInfo
- Publication number
- JPS5650451A JPS5650451A JP12701279A JP12701279A JPS5650451A JP S5650451 A JPS5650451 A JP S5650451A JP 12701279 A JP12701279 A JP 12701279A JP 12701279 A JP12701279 A JP 12701279A JP S5650451 A JPS5650451 A JP S5650451A
- Authority
- JP
- Japan
- Prior art keywords
- memories
- different
- written
- slave computers
- another
- 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 simplify program formation and debugging and shorten the data handling time, by setting conversion mode of address converting circuit, which slave computers have, different from one another.
CONSTITUTION: Slave computers 51W5n are connected to memory bus 4, and respective slave computers are equipped with address converting circuits 61W6n, shared memories 71W7n, and local CPUs 81W8n. In this system configuration, conversion modes of circuits 61W6n are set so that these modes are different one another in computers 51W5n. Therefore, memories 71W7n have memory addresses different one another only for read at the view from master CPU1. Consequently, in case that the same data is written from CPU1 to memories 71W7n, the same data can be written to different addresses of memories 71W7n by giving the same memory address to bus 4, so that the access time is reduced to the 1/n. Then, data written into shared memories can be used and processed simultaneously in slave computers.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12701279A JPS5650451A (en) | 1979-10-02 | 1979-10-02 | Multiaccess system of multimicrocomputer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12701279A JPS5650451A (en) | 1979-10-02 | 1979-10-02 | Multiaccess system of multimicrocomputer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5650451A true JPS5650451A (en) | 1981-05-07 |
Family
ID=14949495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12701279A Pending JPS5650451A (en) | 1979-10-02 | 1979-10-02 | Multiaccess system of multimicrocomputer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5650451A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS599767A (en) * | 1982-07-09 | 1984-01-19 | Sumitomo Heavy Ind Ltd | Multiprocessor |
JPS60189561A (en) * | 1984-03-09 | 1985-09-27 | Panafacom Ltd | Memory access control system |
JPS61240359A (en) * | 1985-04-18 | 1986-10-25 | Oki Electric Ind Co Ltd | Inter-microprocessor data transmission system |
JPS61249153A (en) * | 1985-04-26 | 1986-11-06 | Yokogawa Medical Syst Ltd | Data processor |
JPS63165950A (en) * | 1986-12-27 | 1988-07-09 | Pfu Ltd | Common memory system |
JPH01183762A (en) * | 1988-01-18 | 1989-07-21 | Daikin Ind Ltd | Method and device for input of data |
JPH02199562A (en) * | 1989-01-30 | 1990-08-07 | Oki Electric Ind Co Ltd | Duplicated memory copy system |
JPH0463022A (en) * | 1990-06-30 | 1992-02-28 | Nec Corp | Pll frequency synthesizer |
-
1979
- 1979-10-02 JP JP12701279A patent/JPS5650451A/en active Pending
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS599767A (en) * | 1982-07-09 | 1984-01-19 | Sumitomo Heavy Ind Ltd | Multiprocessor |
JPS60189561A (en) * | 1984-03-09 | 1985-09-27 | Panafacom Ltd | Memory access control system |
JPH024936B2 (en) * | 1984-03-09 | 1990-01-31 | Pfu Ltd | |
JPS61240359A (en) * | 1985-04-18 | 1986-10-25 | Oki Electric Ind Co Ltd | Inter-microprocessor data transmission system |
JPS61249153A (en) * | 1985-04-26 | 1986-11-06 | Yokogawa Medical Syst Ltd | Data processor |
JPS63165950A (en) * | 1986-12-27 | 1988-07-09 | Pfu Ltd | Common memory system |
JPH01183762A (en) * | 1988-01-18 | 1989-07-21 | Daikin Ind Ltd | Method and device for input of data |
JPH02199562A (en) * | 1989-01-30 | 1990-08-07 | Oki Electric Ind Co Ltd | Duplicated memory copy system |
JPH0463022A (en) * | 1990-06-30 | 1992-02-28 | Nec Corp | Pll frequency synthesizer |
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