JPS62147039U - - Google Patents
Info
- Publication number
- JPS62147039U JPS62147039U JP3399586U JP3399586U JPS62147039U JP S62147039 U JPS62147039 U JP S62147039U JP 3399586 U JP3399586 U JP 3399586U JP 3399586 U JP3399586 U JP 3399586U JP S62147039 U JPS62147039 U JP S62147039U
- Authority
- JP
- Japan
- Prior art keywords
- arithmetic
- word
- storage section
- data
- instruction data
- 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
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Microcomputers (AREA)
- Executing Machine-Instructions (AREA)
Description
第１図ないし第３図は、この考案による実施例
を説明する図であつて、第１図はこの考案による
マイクロコンピユータの回路構成を示すブロツク
図、第２図は第１図に示すマイクロコンピユータ
の動作を説明するためのタイムチヤート、第３図
は同タイムチヤートである。
１…内部ＲＯＭ、２…第１オペレーシヨンラツ
チ、３…オペレーシヨンデコーダ、４…オペレー
シヨンサイクル生成器、５…アドレスレジスタ群
、５ａ…プログラムカウンタ、５ｂ…スタツクポ
インタ、５ｃ…インデツクスレジスタＸ、５ｄ…
インデツクスレジスタＹ、６…アキユムレータ用
ＲＡＭ、７…汎用ＲＡＭ、８…アドレス制御部、
９…内部ＲＯＭアドレスデコーダ、１０…第２オ
ペレーシヨンラツチ、１１…第３オペレーシヨン
ラツチ、１２…カウンタ、１３…算術・論理演算
ユニツト（ＡＬＵ）、１４…＋１回路、１７…一
致回路。
1 to 3 are diagrams for explaining an embodiment according to this invention, in which FIG. 1 is a block diagram showing the circuit configuration of a microcomputer according to this invention, and FIG. FIG. 3 is a time chart for explaining the operation. 1... Internal ROM, 2... First operation latch, 3... Operation decoder, 4... Operation cycle generator, 5... Address register group, 5a... Program counter, 5b... Stack pointer, 5c... Index register X , 5d...
Index register Y, 6... RAM for accumulator, 7... General purpose RAM, 8... Address control section,
9... Internal ROM address decoder, 10... Second operation latch, 11... Third operation latch, 12... Counter, 13... Arithmetic/logic unit (ALU), 14... +1 circuit, 17... Match circuit.
Claims (1)
、上記記憶部から順次データを読込んで各種演算
制御処理を行うマイクロコンピユータにおいて、
上記記憶部から該記憶部に記憶されている命令デ
ータを読込む命令データ読込み手段と、該命令デ
ータ読込み手段により読込まれた命令データに従
つて演算データのワード数を設定するワード数設
定手段と、１ワード単位で演算を行う演算手段と
、該演算手段に演算データを１ワード毎分割して
出力する手段と、上記演算手段にて行なわれた演
算回数をカウントするカウント手段と、該カウン
ト手段の値と上記ワード数設定手段により設定さ
れたワード数との一致を判断し一致した場合に演
算終了を指示する演算終了指示手段とを具備した
ことを特徴とするマイクロコンピユータ。 In a microcomputer that is connected to a storage section in which various data are stored, and sequentially reads data from the storage section and performs various arithmetic and control processes,
instruction data reading means for reading instruction data stored in the storage section from the storage section; word number setting means for setting the number of words of calculation data according to the instruction data read by the instruction data reading section; , an arithmetic means for performing an arithmetic operation in units of one word, a means for dividing and outputting arithmetic data word by word to the arithmetic means, a counting means for counting the number of operations performed by the arithmetic means, and the counting means. A microcomputer characterized in that it comprises a computation end instructing means for determining whether the value of and the number of words set by the word number setting means match and instructing to end the computation when they match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3399586U JPS62147039U (en) | 1986-03-10 | 1986-03-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3399586U JPS62147039U (en) | 1986-03-10 | 1986-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62147039U true JPS62147039U (en) | 1987-09-17 |
Family
ID=30842123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3399586U Pending JPS62147039U (en) | 1986-03-10 | 1986-03-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62147039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06195029A (en) * | 1992-10-20 | 1994-07-15 | Koito Mfg Co Ltd | Safety display device |
-
1986
- 1986-03-10 JP JP3399586U patent/JPS62147039U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06195029A (en) * | 1992-10-20 | 1994-07-15 | Koito Mfg Co Ltd | Safety display device |
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