JPS621258U - - Google Patents
Info
- Publication number
- JPS621258U JPS621258U JP9012185U JP9012185U JPS621258U JP S621258 U JPS621258 U JP S621258U JP 9012185 U JP9012185 U JP 9012185U JP 9012185 U JP9012185 U JP 9012185U JP S621258 U JPS621258 U JP S621258U
- Authority
- JP
- Japan
- Prior art keywords
- bus
- digital circuit
- applies
- test pattern
- tested via
- 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 1
- 239000000523 sample Substances 0.000 description 1
Landscapes
- Test And Diagnosis Of Digital Computers (AREA)
Description
図は本考案の一実施例を示すブロツク図。
１…バス不良解析装置、２…テスタ部、３…表
示部、４…バツフア、５ａ〜５ｄ…ＬＥＤ、６ａ
〜６ｄ…ＩＣ、７…デコーダ、１０…被試験回路
、２０…マイクロプロセツサ、４０…コンタクト
プローブ。
The figure is a block diagram showing one embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Bus failure analysis device, 2... Tester part, 3... Display part, 4... Buffer, 5a-5d... LED, 6a
~6d...IC, 7...decoder, 10...circuit under test, 20...microprocessor, 40...contact probe.
Claims (1)
ツサシステムにおいて、被検対象の前記デジタル
回路に前記バスを介して試験パターンを印加する
テスタ部と、前記デジタル回路のイネーブル端子
の状態をイネーブル信号の成立・不成立に応じて
前記デジタル回路のバス上の不良を判定する判定
部を具備することを特徴とするマイコンバス不良
解析装置。 In a microprocessor system in which a digital circuit is connected to a bus, there is a tester unit that applies a test pattern to the digital circuit to be tested via the bus, and a tester unit that applies a test pattern to the digital circuit to be tested via the bus, and determines whether an enable signal is established or not. A microcomputer bus failure analysis device comprising: a determining unit that determines a failure on the bus of the digital circuit according to the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9012185U JPS621258U (en) | 1985-06-17 | 1985-06-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9012185U JPS621258U (en) | 1985-06-17 | 1985-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS621258U true JPS621258U (en) | 1987-01-07 |
Family
ID=30644834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9012185U Pending JPS621258U (en) | 1985-06-17 | 1985-06-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS621258U (en) |
-
1985
- 1985-06-17 JP JP9012185U patent/JPS621258U/ja active Pending
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