JPH01111343U - - Google Patents
Info
- Publication number
- JPH01111343U JPH01111343U JP592288U JP592288U JPH01111343U JP H01111343 U JPH01111343 U JP H01111343U JP 592288 U JP592288 U JP 592288U JP 592288 U JP592288 U JP 592288U JP H01111343 U JPH01111343 U JP H01111343U
- Authority
- JP
- Japan
- Prior art keywords
- supply voltage
- clock
- circuit
- signal
- circuits
- 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
- 238000003745 diagnosis Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Test And Diagnosis Of Digital Computers (AREA)
Description
第１図は本案により基本構成図、第２図は従来
例の構成図、第３図は本案による一実施例を示す
構成図である。
１……論理回路部、２……電源部、３……クロ
ツク発生回路、４……クロツク切替回路、５……
ロジツク回路、６……出力回路、７……電圧制御
回路、８……安定化電源回路、９……表示器、１
１……スイツチング回路、１２……トランス、１
３……パルストランス、１４……誤差検出回路、
１５……出力平滑回路。
FIG. 1 is a basic configuration diagram according to the present invention, FIG. 2 is a configuration diagram of a conventional example, and FIG. 3 is a configuration diagram showing an embodiment according to the present invention. DESCRIPTION OF SYMBOLS 1...Logic circuit section, 2...Power supply section, 3...Clock generation circuit, 4...Clock switching circuit, 5...
Logic circuit, 6... Output circuit, 7... Voltage control circuit, 8... Stabilized power supply circuit, 9... Display, 1
1... Switching circuit, 12... Transformer, 1
3...Pulse transformer, 14...Error detection circuit,
15...Output smoothing circuit.
Claims (1)
ロツク切替回路、さらに論理回路の供給電圧を変
化させるための電圧制御回路、およびそれらを制
御するための出力回路を有したマイクロプロセツ
サやデジタル機器において、クロツク切替指示信
号や供給電圧切替信号をプログラムにより出力し
て、装置内を制御しているクロツク信号および供
給電圧に変化を与え、該クロツク信号と供給電圧
のあらゆる組合せによる回路マージンを検査する
ことを特徴とした論理回路のマージン診断方式。 In microprocessors and digital devices that have multiple clock generation circuits and clock switching circuits with different repetition periods, a voltage control circuit for changing the supply voltage of logic circuits, and an output circuit for controlling them, It is possible to output a clock switching instruction signal and a supply voltage switching signal by a program to change the clock signal and supply voltage that control the inside of the device, and to inspect the circuit margin due to all combinations of the clock signal and supply voltage. Featured margin diagnosis method for logic circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP592288U JPH01111343U (en) | 1988-01-22 | 1988-01-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP592288U JPH01111343U (en) | 1988-01-22 | 1988-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01111343U true JPH01111343U (en) | 1989-07-27 |
Family
ID=31209718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP592288U Pending JPH01111343U (en) | 1988-01-22 | 1988-01-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01111343U (en) |
-
1988
- 1988-01-22 JP JP592288U patent/JPH01111343U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS63168508U (en) | ||
| JPH01111343U (en) | ||
| JPS5815201U (en) | Control device | |
| JPS6167568U (en) | ||
| JPS60112128U (en) | sensor circuit | |
| JPS60155049U (en) | signal processing device | |
| JPS62112732U (en) | ||
| JPS6392935U (en) | ||
| JPH0167575U (en) | ||
| JPH01162788U (en) | ||
| JPS59152826U (en) | Clock oscillator control device | |
| JPS59115541U (en) | AC load switchgear | |
| JPS634127U (en) | ||
| JPS6234800U (en) | ||
| JPH01113701U (en) | ||
| JPS6189914U (en) | ||
| JPS6117891U (en) | Inverter control device | |
| JPS596207U (en) | sample value controller | |
| JPS59118003U (en) | Control signal output circuit | |
| JPS61184990U (en) | ||
| JPH0468326U (en) | ||
| JPS5872951U (en) | Generator control device | |
| JPH0296653U (en) | ||
| JPS60133558U (en) | Color cathode ray tube beam landing measuring device | |
| JPH0356224U (en) |