JPS6312221U - - Google Patents
Info
- Publication number
- JPS6312221U JPS6312221U JP9275786U JP9275786U JPS6312221U JP S6312221 U JPS6312221 U JP S6312221U JP 9275786 U JP9275786 U JP 9275786U JP 9275786 U JP9275786 U JP 9275786U JP S6312221 U JPS6312221 U JP S6312221U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- reset circuit
- terminal
- cpu
- reset
- 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
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Description
第1図は本考案のCPUのリセツト回路を示す
回路図、第2図は同回路の特性を示す説明波形図
である。
1……直流電源端子、2……逆流阻止ダイオー
ド、3……CPU、7……リセツトスイツチ、8
,9……正帰還抵抗、10……リセツト回路、1
4……2次電池、15……充電用抵抗。
FIG. 1 is a circuit diagram showing a reset circuit for a CPU of the present invention, and FIG. 2 is an explanatory waveform diagram showing the characteristics of the circuit. 1...DC power supply terminal, 2...Reverse current blocking diode, 3...CPU, 7...Reset switch, 8
, 9...Positive feedback resistor, 10...Reset circuit, 1
4... Secondary battery, 15... Charging resistor.
Claims (1)
アツプ用電源を直列に接続すると共に該電源の一
端をCPUの電源端子に接続し、前記直流電源端
子とリセツトパルスを発生するリセツト回路の入
力端子との間にリセツトスイツチを接続し、前記
リセツト回路の出力端子を前記CPUのリセツト
端子に接続したことを特徴とするCPUのリセツ
ト回路。 A reverse current blocking diode and a backup power supply are connected in series to a DC power supply terminal, one end of the power supply is connected to a power supply terminal of a CPU, and a reset circuit is connected between the DC power supply terminal and an input terminal of a reset circuit that generates a reset pulse. A reset circuit for a CPU, characterized in that a switch is connected to the reset circuit, and an output terminal of the reset circuit is connected to a reset terminal of the CPU.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9275786U JPS6312221U (en) | 1986-06-17 | 1986-06-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9275786U JPS6312221U (en) | 1986-06-17 | 1986-06-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6312221U true JPS6312221U (en) | 1988-01-27 |
Family
ID=30954747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9275786U Pending JPS6312221U (en) | 1986-06-17 | 1986-06-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6312221U (en) |
-
1986
- 1986-06-17 JP JP9275786U patent/JPS6312221U/ja active Pending