JPS54128640A - Control system for cash memory - Google Patents
Control system for cash memoryInfo
- Publication number
- JPS54128640A JPS54128640A JP3609678A JP3609678A JPS54128640A JP S54128640 A JPS54128640 A JP S54128640A JP 3609678 A JP3609678 A JP 3609678A JP 3609678 A JP3609678 A JP 3609678A JP S54128640 A JPS54128640 A JP S54128640A
- Authority
- JP
- Japan
- Prior art keywords
- memory
- data
- register
- cash
- cpu
- 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
- Memory System Of A Hierarchy Structure (AREA)
Abstract
PURPOSE:To perform efficient control, by changing the handling of cash memory through the matching of the cash memory for memory cycle and through the nature of the memory access request from CPU. CONSTITUTION:In the data processing unit having the cash memory 105, the address register 101 performing address entry from the CPU 1 performing operation control, address register 102 entrying the address from the high speed bus, and data registers 103 and 104 entrying the data from the CPU 1 and high speed bus, are provided. Further, whether the data from the register 103 is stored to the cash memory 105 or the data of the register 104 is stored in the memory 105 is determined, and the multiplexer 106 determining the size of data and the multiplexer 107 determining the zone control of the output from the memory 105 are provided, and when data is entried in the register 103, the signal finishing the memory cycle is delivered.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3609678A JPS54128640A (en) | 1978-03-30 | 1978-03-30 | Control system for cash memory |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3609678A JPS54128640A (en) | 1978-03-30 | 1978-03-30 | Control system for cash memory |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54128640A true JPS54128640A (en) | 1979-10-05 |
Family
ID=12460224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3609678A Pending JPS54128640A (en) | 1978-03-30 | 1978-03-30 | Control system for cash memory |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54128640A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6159554A (en) * | 1984-08-31 | 1986-03-27 | Hitachi Ltd | Cache memory control circuit |
JP2002165693A (en) * | 2000-11-30 | 2002-06-11 | S T Chem Co Ltd | Deodorization and dehumidification tool |
-
1978
- 1978-03-30 JP JP3609678A patent/JPS54128640A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6159554A (en) * | 1984-08-31 | 1986-03-27 | Hitachi Ltd | Cache memory control circuit |
JP2002165693A (en) * | 2000-11-30 | 2002-06-11 | S T Chem Co Ltd | Deodorization and dehumidification tool |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Effective date: 20061219 Free format text: JAPANESE INTERMEDIATE CODE: A971007 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20070109 |
|
A313 | Final decision of rejection without a dissenting response from the applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A313 Effective date: 20070530 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20070710 |