JPS61188194U - - Google Patents
Info
- Publication number
- JPS61188194U JPS61188194U JP7198285U JP7198285U JPS61188194U JP S61188194 U JPS61188194 U JP S61188194U JP 7198285 U JP7198285 U JP 7198285U JP 7198285 U JP7198285 U JP 7198285U JP S61188194 U JPS61188194 U JP S61188194U
- Authority
- JP
- Japan
- Prior art keywords
- segment
- liquid crystal
- crystal display
- display element
- terminal
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Liquid Crystal Display Device Control (AREA)
Description
第１図は本考案の一実施例を示す結線図、第２
図は同実施例のＣＰＵ出力例を示すタイミングチ
ヤート、第３図は同実施例のＣＰＵ動作を説明す
るためのフローチヤート、第４図は従来回路を説
明するための波形図である。
１……ＣＰＵ、５……ＬＣＤ。
Figure 1 is a wiring diagram showing one embodiment of the present invention, Figure 2 is a wiring diagram showing an embodiment of the present invention.
FIG. 3 is a timing chart showing an example of the CPU output of the same embodiment, FIG. 3 is a flow chart for explaining the CPU operation of the same embodiment, and FIG. 4 is a waveform chart for explaining the conventional circuit. 1...CPU, 5...LCD.
Claims (1)
液晶表示素子をスタテイツク駆動する液晶表示素
子駆動回路において、上記コモン端子に接続され
てパルス信号をくり返して出力する単数又は複数
のセグメント出力端子と、このセグメント出力端
子以外で上記液晶表示素子のセグメント端子に接
続されセグメント点灯時には上記パルス信号と異
なる出力信号を出力してリセツト時には上記パル
ス信号と同相の出力信号を出力するセグメント出
力端子とを有するマイクロコンピユータを備えた
ことを特徴とする液晶表示素子駆動回路。 A liquid crystal display element drive circuit that statically drives a liquid crystal display element having a common terminal and a plurality of segment terminals includes one or more segment output terminals connected to the common terminal and repeatedly outputting pulse signals, and this segment output terminal. A microcomputer having a segment output terminal connected to the segment terminal of the liquid crystal display element other than the above, and outputting an output signal different from the pulse signal when the segment is turned on, and outputting an output signal in phase with the pulse signal when resetting the segment. A liquid crystal display element drive circuit characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7198285U JPS61188194U (en) | 1985-05-15 | 1985-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7198285U JPS61188194U (en) | 1985-05-15 | 1985-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61188194U true JPS61188194U (en) | 1986-11-22 |
Family
ID=30609970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7198285U Pending JPS61188194U (en) | 1985-05-15 | 1985-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61188194U (en) |
-
1985
- 1985-05-15 JP JP7198285U patent/JPS61188194U/ja active Pending
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