JPS5627452A - Microprogram controller - Google Patents
Microprogram controllerInfo
- Publication number
- JPS5627452A JPS5627452A JP10325679A JP10325679A JPS5627452A JP S5627452 A JPS5627452 A JP S5627452A JP 10325679 A JP10325679 A JP 10325679A JP 10325679 A JP10325679 A JP 10325679A JP S5627452 A JPS5627452 A JP S5627452A
- Authority
- JP
- Japan
- Prior art keywords
- control
- memory
- blocks
- capacity
- functions
- 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
Abstract
PURPOSE: To reduce the capacity of a control memory by sectioning the control memory into blocks by functions, by generating a signal assigning a block from the read address of the memory and by selectively outputting control information.
CONSTITUTION: Control memory CS101 is sectioned into blocks 101AW101D by functions and CS output selecting selectors 102AW102D that correspond to those memory blocks receive characteristic control signals α, β, γ, and δ to output selectively control information read out corresponding blocks. The outputs of respective selectors are decoded by decoders 103AW103D, whose decoding outputs are received by control logic elements 104AW104D to perform control operation. Consequently, CS101 can be used with efficiency and the amount of decoding can be reduced, so that the capacity of CS can be reduced without entailing deterioration in performance.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10325679A JPS5627452A (en) | 1979-08-14 | 1979-08-14 | Microprogram controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10325679A JPS5627452A (en) | 1979-08-14 | 1979-08-14 | Microprogram controller |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5627452A true JPS5627452A (en) | 1981-03-17 |
Family
ID=14349355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10325679A Pending JPS5627452A (en) | 1979-08-14 | 1979-08-14 | Microprogram controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5627452A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5897747A (en) * | 1981-12-04 | 1983-06-10 | Hitachi Ltd | Controlling system of microprogram |
US4747861A (en) * | 1983-07-07 | 1988-05-31 | Siemens Aktiengesellschaft | Method for the manufacture of glass by means of deposition from the vapor phase |
-
1979
- 1979-08-14 JP JP10325679A patent/JPS5627452A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5897747A (en) * | 1981-12-04 | 1983-06-10 | Hitachi Ltd | Controlling system of microprogram |
US4747861A (en) * | 1983-07-07 | 1988-05-31 | Siemens Aktiengesellschaft | Method for the manufacture of glass by means of deposition from the vapor phase |
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