JPS61204259U - - Google Patents
Info
- Publication number
- JPS61204259U JPS61204259U JP8867185U JP8867185U JPS61204259U JP S61204259 U JPS61204259 U JP S61204259U JP 8867185 U JP8867185 U JP 8867185U JP 8867185 U JP8867185 U JP 8867185U JP S61204259 U JPS61204259 U JP S61204259U
- Authority
- JP
- Japan
- Prior art keywords
- microprogram
- control means
- designation data
- address control
- memory
- 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
- Executing Machine-Instructions (AREA)
Description
図面はこの考案の一実施例を示すもので、第１
図は回路構成を示すブロツク図、第２図は第１図
の切替用ＲＡＭの構成を象徴する図である。
１１……ＲＯＭ、１１１……デコーダ、１２，
１６，１７，１９……セレクタ、１３……共用Ｒ
ＡＭ、１４……制御部、１５……切替用ＲＡＭ、
１８……アドレスラツチ回路１８、２０……演算
部２０。
The drawing shows one embodiment of this invention.
The figure is a block diagram showing the circuit configuration, and FIG. 2 is a diagram symbolically showing the configuration of the switching RAM shown in FIG. 1. 11...ROM, 111...decoder, 12,
16, 17, 19...Selector, 13...Shared R
AM, 14...control unit, 15...switching RAM,
18... Address latch circuits 18, 20... Arithmetic unit 20.
Claims (1)
メモリの次のアドレス指定データを出力するアド
レス制御手段と、このアドレス制御手段の出力す
る上記次アドレス指定データによつてプログラム
領域に応じたＲＡＭの記憶エリアを選択する選択
手段とを具備したことを特徴とするマイクロプロ
グラム制御による電子機器。 A memory storing a microprogram, an address control means for outputting the next address designation data of this memory, and a storage area of the RAM corresponding to the program area is selected based on the next address designation data output from the address control means. 1. An electronic device controlled by a microprogram, characterized in that it is equipped with selection means for selecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8867185U JPS61204259U (en) | 1985-06-12 | 1985-06-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8867185U JPS61204259U (en) | 1985-06-12 | 1985-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61204259U true JPS61204259U (en) | 1986-12-23 |
Family
ID=30642029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8867185U Pending JPS61204259U (en) | 1985-06-12 | 1985-06-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61204259U (en) |
-
1985
- 1985-06-12 JP JP8867185U patent/JPS61204259U/ja active Pending
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