JPS62129642U - - Google Patents
Info
- Publication number
- JPS62129642U JPS62129642U JP1534986U JP1534986U JPS62129642U JP S62129642 U JPS62129642 U JP S62129642U JP 1534986 U JP1534986 U JP 1534986U JP 1534986 U JP1534986 U JP 1534986U JP S62129642 U JPS62129642 U JP S62129642U
- Authority
- JP
- Japan
- Prior art keywords
- microcomputer
- control circuit
- keyboard control
- rs232c
- host device
- 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
- 239000011159 matrix material Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Input From Keyboards Or The Like (AREA)
Description
第１図は本考案のキーボード制御回路の一実施
例の構成図、第２図はキーボード制御回路の従来
例の構成図である。
１……キーマトリツクス、２……マイクロコン
ピユータ、３……ＲＳ２３２Ｃ用インターフエー
ス回路、４……ＲＳ２３２Ｃ用コネクタ、５……
上位装置とのインターフエース回路、６……上位
装置接続用コネクタ。
FIG. 1 is a block diagram of an embodiment of the keyboard control circuit of the present invention, and FIG. 2 is a block diagram of a conventional example of the keyboard control circuit. 1...Key matrix, 2...Microcomputer, 3...RS232C interface circuit, 4...RS232C connector, 5...
Interface circuit with host device, 6... Connector for connecting host device.
Claims (1)
換し、上位装置に出力するマイクロコンピユータ
を含むキーボード制御回路において、 前記マイクロコンピユータに制御され、該マイ
クロコンピユータと外部周辺機器との相互通信を
インタフエースするＲＳ２３２Ｃ用インタフエー
ス回路とＲＳ２３２Ｃ用コネクタを備えているこ
とを特徴とするキーボード制御回路。[Claims for Utility Model Registration] In a keyboard control circuit including a microcomputer that reads the state of a key matrix, converts it into a code, and outputs it to a host device, the keyboard control circuit is controlled by the microcomputer and communicates between the microcomputer and external peripheral equipment. A keyboard control circuit comprising an RS232C interface circuit and an RS232C connector for interfacing mutual communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1534986U JPS62129642U (en) | 1986-02-04 | 1986-02-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1534986U JPS62129642U (en) | 1986-02-04 | 1986-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62129642U true JPS62129642U (en) | 1987-08-17 |
Family
ID=30806200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1534986U Pending JPS62129642U (en) | 1986-02-04 | 1986-02-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62129642U (en) |
-
1986
- 1986-02-04 JP JP1534986U patent/JPS62129642U/ja active Pending