JP6335682B2 - リセット機能付き電子機器 - Google Patents
リセット機能付き電子機器 Download PDFInfo
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- JP6335682B2 JP6335682B2 JP2014132783A JP2014132783A JP6335682B2 JP 6335682 B2 JP6335682 B2 JP 6335682B2 JP 2014132783 A JP2014132783 A JP 2014132783A JP 2014132783 A JP2014132783 A JP 2014132783A JP 6335682 B2 JP6335682 B2 JP 6335682B2
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- Prior art keywords
- key
- cpu
- reset
- external circuit
- fpga
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Description
2 キーパネル
21 キー
21A 特定キー(所定のキー)
3 FPGA(外部回路)
4 CPU
S4 リセット
S5 割込発生(割込信号)
S6 手動スキャン設定
S7 キー1列目設定(要求信号)
S8 キーn列目設定(要求信号)
S15 特定キー押下(所定のキー押下)
Claims (2)
- 複数のキーが配列されたキーパネルと、
前記キーパネルをスキャンして、前記キーパネルの操作状態に関するキースキャン情報を取得する外部回路と、
前記外部回路と独立して動作し、前記外部回路と送受信可能に接続されたCPUと、を備え、
前記外部回路は、前記キーが押下されると割込信号を前記CPUに送信し、前記CPUは、前記割込信号を受信すると前記キースキャン情報の取得を要求する要求信号を前記外部回路に送信し、
前記外部回路は、前記キーが押下されて前記割込信号を前記CPUに送信した後に、所定時間以内に前記要求信号を受信しない場合に、前記CPUがフリーズ状態にあると判定し、
前記外部回路は、前記CPUがフリーズ状態にある状態で所定のキーが押下された場合に、前記CPUにリセット信号を送信してリセットするリセット手段を備える、
ことを特徴とするリセット機能付き電子機器。 - 任意の前記キーを前記所定のキーとして設定自在となっている、
ことを特徴とする請求項1記載のリセット機能付き電子機器。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014132783A JP6335682B2 (ja) | 2014-06-27 | 2014-06-27 | リセット機能付き電子機器 |
Applications Claiming Priority (1)
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JP2014132783A JP6335682B2 (ja) | 2014-06-27 | 2014-06-27 | リセット機能付き電子機器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016012199A JP2016012199A (ja) | 2016-01-21 |
JP6335682B2 true JP6335682B2 (ja) | 2018-05-30 |
Family
ID=55228889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2014132783A Active JP6335682B2 (ja) | 2014-06-27 | 2014-06-27 | リセット機能付き電子機器 |
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JP (1) | JP6335682B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109462509B (zh) * | 2018-12-03 | 2022-07-29 | 杭州迪普科技股份有限公司 | 一种板卡的批量备份的方法和装置 |
KR20200114757A (ko) * | 2019-03-29 | 2020-10-07 | 삼성전자주식회사 | 키리스 리셋을 위한 방법 및 이를 위한 전자 장치 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58219633A (ja) * | 1982-06-14 | 1983-12-21 | Alps Electric Co Ltd | マイコン化エンコ−ダを有するキ−ボ−ド |
JPS6488815A (en) * | 1987-09-30 | 1989-04-03 | Toshiba Corp | Reset system for cpu |
JP2000207112A (ja) * | 1999-01-18 | 2000-07-28 | Kokusai Electric Co Ltd | キ―押下検出回路及び無線端末 |
JP2002373035A (ja) * | 2001-06-18 | 2002-12-26 | Matsushita Electric Ind Co Ltd | リセット信号発生方法およびリセット信号発生装置 |
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2014
- 2014-06-27 JP JP2014132783A patent/JP6335682B2/ja active Active
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JP2016012199A (ja) | 2016-01-21 |
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