JPS6491234A - Wait control system - Google Patents
Wait control systemInfo
- Publication number
- JPS6491234A JPS6491234A JP24951087A JP24951087A JPS6491234A JP S6491234 A JPS6491234 A JP S6491234A JP 24951087 A JP24951087 A JP 24951087A JP 24951087 A JP24951087 A JP 24951087A JP S6491234 A JPS6491234 A JP S6491234A
- Authority
- JP
- Japan
- Prior art keywords
- output
- signal
- selector
- extended
- wait
- 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 secure a highly effective working cycle and to improve the throughput of a processor by prolonging the working cycle time of the processor via the expansion control of the system width and performing the wait control. CONSTITUTION:An input wait command signal W is sampled by a latch circuit 3 at the leading edge of a system clock signal f1 and a latch output w' is obtained. A selector 7 selects a 1/10 frequency dividing output f2 in response to the output w' and the working cycle of a processor is extended by (5/4)T based on the signal f1. The circuit 3 is reset by the output of a 1/2 dividing circuit 8 and the output w' is inverted in the 2nd cycle of an extended clock f2. Then the selector 7 outputs the inverted output of the signal f1, i.e., the output of a selector 5. Thus the pulse width of the signal f1 is extended by half cycle in response to a wait pointing signal (w).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24951087A JPS6491234A (en) | 1987-10-01 | 1987-10-01 | Wait control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24951087A JPS6491234A (en) | 1987-10-01 | 1987-10-01 | Wait control system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6491234A true JPS6491234A (en) | 1989-04-10 |
Family
ID=17194045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP24951087A Pending JPS6491234A (en) | 1987-10-01 | 1987-10-01 | Wait control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6491234A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5100637A (en) * | 1988-07-21 | 1992-03-31 | Tokai Carbon Co., Ltd. | Carbon black for compounding into tire tread rubber |
US5206283A (en) * | 1989-04-14 | 1993-04-27 | The Yokohama Rubber Co., Ltd. | Rubber composition for automobile tires |
US5230878A (en) * | 1989-10-02 | 1993-07-27 | Tokai Carbon Co., Ltd. | Carbon black for tire tread rubber |
JP2014030124A (en) * | 2012-07-31 | 2014-02-13 | Denso Corp | Decoding circuit |
-
1987
- 1987-10-01 JP JP24951087A patent/JPS6491234A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5100637A (en) * | 1988-07-21 | 1992-03-31 | Tokai Carbon Co., Ltd. | Carbon black for compounding into tire tread rubber |
US5206283A (en) * | 1989-04-14 | 1993-04-27 | The Yokohama Rubber Co., Ltd. | Rubber composition for automobile tires |
US5230878A (en) * | 1989-10-02 | 1993-07-27 | Tokai Carbon Co., Ltd. | Carbon black for tire tread rubber |
JP2014030124A (en) * | 2012-07-31 | 2014-02-13 | Denso Corp | Decoding circuit |
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