JPS54159840A - Micro address generation control circuit - Google Patents
Micro address generation control circuitInfo
- Publication number
- JPS54159840A JPS54159840A JP6946878A JP6946878A JPS54159840A JP S54159840 A JPS54159840 A JP S54159840A JP 6946878 A JP6946878 A JP 6946878A JP 6946878 A JP6946878 A JP 6946878A JP S54159840 A JPS54159840 A JP S54159840A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- coincidence
- stop
- micro address
- circuit
- 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
- Debugging And Monitoring (AREA)
Abstract
PURPOSE: To make it possible to stop the operation of a control unit at the just position where the stop of the operation of the control unit is required, by providing a micro address coincidence frequency setting circuit in the micro address control circuit.
CONSTITUTION: Output signal 5 of micro address stop register 1 and output signal 6 of micro address register 2 are subjected to coincidence check by comparator 3; and in case of coincidence, coincidence signal 7 of logical value "1" is generated. Subtraction signal 14 is generated in NAND circuit 10 by coincidence signal 7 and set signal 13, and 1 is subtracted from a coincidence frequency set previously. Then, when output signal 16 of frequency setting circuit 11 becomes the value of constant 17, coincidence signal 18 of comparator 12 becomes logical value "1", and AND between micro address stop effective signal 8 and signal 18 is operated in AND circuit 4, and a unit stop signal is generated to stop the unit.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6946878A JPS54159840A (en) | 1978-06-08 | 1978-06-08 | Micro address generation control circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6946878A JPS54159840A (en) | 1978-06-08 | 1978-06-08 | Micro address generation control circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54159840A true JPS54159840A (en) | 1979-12-18 |
Family
ID=13403520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6946878A Pending JPS54159840A (en) | 1978-06-08 | 1978-06-08 | Micro address generation control circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54159840A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61249150A (en) * | 1985-04-27 | 1986-11-06 | Nec Corp | Inspecting device for microprogram control device |
JPS61250745A (en) * | 1985-04-27 | 1986-11-07 | Nec Corp | Inspecting device for microprogram controller |
-
1978
- 1978-06-08 JP JP6946878A patent/JPS54159840A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61249150A (en) * | 1985-04-27 | 1986-11-06 | Nec Corp | Inspecting device for microprogram control device |
JPS61250745A (en) * | 1985-04-27 | 1986-11-07 | Nec Corp | Inspecting device for microprogram controller |
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