JPS6023999U - PROM writer - Google Patents
PROM writerInfo
- Publication number
- JPS6023999U JPS6023999U JP11332983U JP11332983U JPS6023999U JP S6023999 U JPS6023999 U JP S6023999U JP 11332983 U JP11332983 U JP 11332983U JP 11332983 U JP11332983 U JP 11332983U JP S6023999 U JPS6023999 U JP S6023999U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- variable power
- generating
- writer
- power source
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案の実施例の要部ブロック図、第２図は
第１図のマイクロコンピュータ１が行なう書込み処理の
一例を示すフローチャート、第３図はこの考案に適した
書込み電圧発生用可変電源２３の実施例を示す要部ブロ
ック図である。
１６は電圧検出回路を構成するＡ−Ｄ変換器、２２はＩ
Ｃ駆動用可変電源、２３は書込み電圧発生用可変電源、
２４はＥＰＲＯＭ２５を挿入するＩＣ用ソケットである
。FIG. 1 is a block diagram of a main part of an embodiment of this invention, FIG. 2 is a flowchart showing an example of a write process performed by the microcomputer 1 of FIG. 1, and FIG. 3 is a variable voltage generator for writing voltage generation suitable for this invention. FIG. 2 is a block diagram of main parts showing an embodiment of a power supply 23. FIG. 16 is an A-D converter constituting a voltage detection circuit, 22 is an I
C variable power supply for driving, 23 is variable power supply for writing voltage generation,
24 is an IC socket into which an EPROM 25 is inserted.
Claims (1)
において、指令値に応じて出力電圧を可変し得る書込み
電圧発生用可変電源と、該書込み電圧発生用可変電源の
出力電圧を測定する電圧測定回路と、前記情報の書込み
に先立ち前記電圧測定回路の測定電圧が所定の電圧値に
一致するように前記書込み電圧発生用可変電源への指令
値を調整する制御手段とを具備したことを特徴とするＦ
ＲＯＭライタ。A FROM writer that writes information to a rewritable FROM has a variable power source for generating a write voltage that can vary the output voltage according to a command value, and a voltage measuring circuit that measures the output voltage of the variable power source for generating a write voltage. , further comprising a control means for adjusting a command value to the write voltage generating variable power supply so that the voltage measured by the voltage measuring circuit matches a predetermined voltage value prior to writing the information.
ROM writer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11332983U JPS6023999U (en) | 1983-07-20 | 1983-07-20 | PROM writer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11332983U JPS6023999U (en) | 1983-07-20 | 1983-07-20 | PROM writer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6023999U true JPS6023999U (en) | 1985-02-19 |
Family
ID=30262384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11332983U Pending JPS6023999U (en) | 1983-07-20 | 1983-07-20 | PROM writer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6023999U (en) |
-
1983
- 1983-07-20 JP JP11332983U patent/JPS6023999U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6023999U (en) | PROM writer | |
| JPS6087001U (en) | Control circuit backup power supply circuit | |
| JPH0276500U (en) | ||
| JPS59113898U (en) | Intermittent measuring instrument | |
| JPS588207U (en) | Amplifier | |
| JPS5953756U (en) | Probe current setting device for electronic probes, etc. | |
| JPS604959U (en) | automatic measuring device | |
| JPS58131500U (en) | Non-volatile memory control circuit | |
| JPS58149100U (en) | automatic voltage regulator | |
| JPS60175499U (en) | X-ray tube current measurement control device | |
| JPS58166179U (en) | power amplifier power supply | |
| JPS6045530U (en) | Level judgment device | |
| JPS5885213U (en) | constant voltage circuit | |
| JPS59189485U (en) | programmable regulated power supply | |
| JPS6060799U (en) | Oscillation control circuit | |
| JPS5980712U (en) | Measuring instrument with recorder output terminal | |
| JPS60117699U (en) | generator voltage regulator | |
| JPS59135517U (en) | writing device | |
| JPS58114514U (en) | recording device | |
| JPS6076430U (en) | Memory battery power supply | |
| JPS58104010U (en) | buffer circuit | |
| JPS6092243U (en) | Exposure device of electronic copying machine | |
| JPS58101232U (en) | microcomputer | |
| JPS58109899U (en) | sample hold circuit | |
| JPS59118033U (en) | data storage unit |