JPH0436652U - - Google Patents
Info
- Publication number
- JPH0436652U JPH0436652U JP7663990U JP7663990U JPH0436652U JP H0436652 U JPH0436652 U JP H0436652U JP 7663990 U JP7663990 U JP 7663990U JP 7663990 U JP7663990 U JP 7663990U JP H0436652 U JPH0436652 U JP H0436652U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- outside
- selection means
- serial port
- selecting
- 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
- 230000010365 information processing Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Test And Diagnosis Of Digital Computers (AREA)
Description
第１図は本考案の一実施例の構成を示す回路図
である。
主要部分の符号の説明、１，２……マルチプレ
クサ、３……シリアルポートの出力端子、４……
シリアルポートの入力端子。
FIG. 1 is a circuit diagram showing the configuration of an embodiment of the present invention. Explanation of symbols of main parts, 1, 2...Multiplexer, 3...Serial port output terminal, 4...
Serial port input terminal.
Claims (1)
送受信を行うシリアルポートを有する情報処理装
置のシリアルポート試験回路であつて、試験指令
に応じて前記装置外部と前記装置内部とのうち一
方を前記装置内部からの信号の送出先として選択
する第１の選択手段と、前記試験指令に応じて前
記装置外部からの信号と前記第１の選択手段から
の信号とのうち一方を前記装置内部への入力信号
として選択する第２の選択手段とを設けたことを
特徴とするシリアルポート試験回路。 A serial port test circuit for an information processing device having a serial port for transmitting and receiving serial data between the inside of the device and the outside of the device, wherein one of the outside of the device and the inside of the device is connected to the device according to a test command. a first selection means for selecting a destination of a signal from inside; and inputting one of a signal from outside the apparatus and a signal from the first selection means into the inside of the apparatus according to the test command; A serial port test circuit comprising: second selection means for selecting as a signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7663990U JPH0436652U (en) | 1990-07-19 | 1990-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7663990U JPH0436652U (en) | 1990-07-19 | 1990-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0436652U true JPH0436652U (en) | 1992-03-27 |
Family
ID=31618289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7663990U Pending JPH0436652U (en) | 1990-07-19 | 1990-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0436652U (en) |
-
1990
- 1990-07-19 JP JP7663990U patent/JPH0436652U/ja active Pending
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