JPS62162744U - - Google Patents
Info
- Publication number
- JPS62162744U JPS62162744U JP4933486U JP4933486U JPS62162744U JP S62162744 U JPS62162744 U JP S62162744U JP 4933486 U JP4933486 U JP 4933486U JP 4933486 U JP4933486 U JP 4933486U JP S62162744 U JPS62162744 U JP S62162744U
- Authority
- JP
- Japan
- Prior art keywords
- microprogram
- counter
- selector
- output
- external terminal
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Test And Diagnosis Of Digital Computers (AREA)
Description
第１図はこの考案の実施例を示す集積回路ブロ
ツク図、第２図は従来の集積回路を説明するため
の図である。
図において、１は集積回路、２は外部端子、３
はマイクロプログラム・シーケンサ、４はマイク
ロプログラム・メモリ、５はマイクロインストラ
クシヨン・レジスタ、６はカウンタ、７はセレク
タ、８は回路、９は演算回路、１０，１１は外部
端子である。なお、図中同一符号は同一又は相当
部分を示す。
FIG. 1 is a block diagram of an integrated circuit showing an embodiment of this invention, and FIG. 2 is a diagram for explaining a conventional integrated circuit. In the figure, 1 is an integrated circuit, 2 is an external terminal, and 3 is an integrated circuit.
4 is a microprogram sequencer, 4 is a microprogram memory, 5 is a microinstruction register, 6 is a counter, 7 is a selector, 8 is a circuit, 9 is an arithmetic circuit, and 10 and 11 are external terminals. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
において、マイクロプログラムを格納するマイク
ロプログラム・メモリと、上記マイクロプログラ
ム・メモリのアドレスを出力するマイクロプログ
ラム・シーケンサと、上記マイクロプログラム・
シーケンサにデータを入力させる外部端子と、上
記マイクロプログラム・メモリの出力を保持する
マイクロプログラム・インストラクシヨン・レジ
スタと、クロツク及びデータを入力しカウントす
るカウンタと、上記カウンタを駆動するクロツク
信号と、上記カウンタにデータを供給する外部端
子と、上記マイクロ・インストラクシヨン・レジ
スタの出力と上記カウンタの出力を選択し、制御
信号を出力するセレクタと、上記セレクタを切換
える信号を上記セレクタへ入力させる外部端子と
、上記セレクタから出力される制御信号により、
演算を行う複数の回路から成る演算回路とを備え
たことを特徴とする集積回路。 An integrated circuit that performs calculations under microprogram control includes a microprogram memory that stores a microprogram, a microprogram sequencer that outputs the address of the microprogram memory, and a microprogram memory that stores the microprogram.
an external terminal for inputting data to the sequencer, a microprogram instruction register for holding the output of the microprogram memory, a counter for inputting and counting a clock and data, and a clock signal for driving the counter; An external terminal that supplies data to the counter, a selector that selects the output of the microinstruction register and the output of the counter and outputs a control signal, and an external terminal that inputs a signal that switches the selector to the selector. With the control signal output from the terminal and the selector above,
An integrated circuit comprising: an arithmetic circuit comprising a plurality of circuits that perform arithmetic operations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4933486U JPS62162744U (en) | 1986-04-02 | 1986-04-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4933486U JPS62162744U (en) | 1986-04-02 | 1986-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62162744U true JPS62162744U (en) | 1987-10-16 |
Family
ID=30871688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4933486U Pending JPS62162744U (en) | 1986-04-02 | 1986-04-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62162744U (en) |
-
1986
- 1986-04-02 JP JP4933486U patent/JPS62162744U/ja active Pending
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