JPH0246261U - - Google Patents
Info
- Publication number
- JPH0246261U JPH0246261U JP12274488U JP12274488U JPH0246261U JP H0246261 U JPH0246261 U JP H0246261U JP 12274488 U JP12274488 U JP 12274488U JP 12274488 U JP12274488 U JP 12274488U JP H0246261 U JPH0246261 U JP H0246261U
- Authority
- JP
- Japan
- Prior art keywords
- data
- dual port
- port memory
- storing
- storage means
- 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
- 230000009977 dual effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は、本考案の一実施例の構成を示すブロ
ツク図、第２図は、デユアルポートメモリを説明
するためのブロツク図、第３図は、従来のデータ
検索を説明するための図である。
１……ＣＰＵ、２……データレジスタ、３……
デユアルポートメモリ、４……カウンタ、５……
エンドアドレスレジスタ、６……シフト・カウン
トクロツク発生回路、７……データ比較回路、９
……アドレス比較回路、１０……メモリ。
FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention, FIG. 2 is a block diagram for explaining dual port memory, and FIG. 3 is a diagram for explaining conventional data retrieval. be. 1...CPU, 2...Data register, 3...
Dual port memory, 4... Counter, 5...
End address register, 6...Shift/count clock generation circuit, 7...Data comparison circuit, 9
...Address comparison circuit, 10...Memory.
Claims (1)
すデータ検索回路において、 データ群を格納するデユアルポートメモリと、 特定のデータを格納する記憶手段と、 前記デユアルポートメモリから読み出されたデ
ータと前記記憶手段に格納された特定のデータと
を比較する比較手段と、 読み出されたデータが格納されていたデユアル
ポートメモリ内のアドレスを示すカウンタと、 を有することを特徴とするデータ検索回路。[Claims for Utility Model Registration] A data retrieval circuit for finding specific data from a data group, comprising a dual port memory for storing the data group, a storage means for storing the specific data, and a method for reading data from the dual port memory. Comparing means for comparing the output data with specific data stored in the storage means; and a counter indicating an address in the dual port memory where the read data was stored. data retrieval circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12274488U JPH0246261U (en) | 1988-09-21 | 1988-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12274488U JPH0246261U (en) | 1988-09-21 | 1988-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0246261U true JPH0246261U (en) | 1990-03-29 |
Family
ID=31370960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12274488U Pending JPH0246261U (en) | 1988-09-21 | 1988-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0246261U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0488216U (en) * | 1990-12-13 | 1992-07-31 |
-
1988
- 1988-09-21 JP JP12274488U patent/JPH0246261U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0488216U (en) * | 1990-12-13 | 1992-07-31 |
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