JPS5665245A - Decode control circuit - Google Patents
Decode control circuitInfo
- Publication number
- JPS5665245A JPS5665245A JP14086979A JP14086979A JPS5665245A JP S5665245 A JPS5665245 A JP S5665245A JP 14086979 A JP14086979 A JP 14086979A JP 14086979 A JP14086979 A JP 14086979A JP S5665245 A JPS5665245 A JP S5665245A
- Authority
- JP
- Japan
- Prior art keywords
- counter
- decode
- control circuit
- signal
- output
- 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
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
PURPOSE: To make it possible to simplify the decode circuit of an output of the counter, by controlling the initial state of the counter of (n) bits.
CONSTITUTION: The decode control circuit is constituted of a 4 bit counter C1 and a decoder D1 in order to generate the timing. In this case, when a fundamental clock signal is input to the counter C1, the state of the counter C1 is decoded and various timing signals are generated by its decode signal, the initial state of the counter C1 is set and controlled in accordance with the decode signal so that the necessary decode signal can be output by the minimum number of decoders. In this way, in case when outputs to be taken out as decode signals are a few, the number of IC for decoding can be decreased.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14086979A JPS5665245A (en) | 1979-10-31 | 1979-10-31 | Decode control circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14086979A JPS5665245A (en) | 1979-10-31 | 1979-10-31 | Decode control circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5665245A true JPS5665245A (en) | 1981-06-02 |
Family
ID=15278632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14086979A Pending JPS5665245A (en) | 1979-10-31 | 1979-10-31 | Decode control circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5665245A (en) |
-
1979
- 1979-10-31 JP JP14086979A patent/JPS5665245A/en active Pending
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