HK27896A - Semiconductor integrated circuit having a plurality of oscillation circuits - Google Patents

Semiconductor integrated circuit having a plurality of oscillation circuits

Info

Publication number
HK27896A
HK27896A HK27896A HK27896A HK27896A HK 27896 A HK27896 A HK 27896A HK 27896 A HK27896 A HK 27896A HK 27896 A HK27896 A HK 27896A HK 27896 A HK27896 A HK 27896A
Authority
HK
Hong Kong
Prior art keywords
integrated circuit
semiconductor integrated
oscillation circuits
oscillation
circuits
Prior art date
Application number
HK27896A
Other languages
English (en)
Inventor
Takashi Ito
Kenichi Ishibashi
Kenzo Funatsu
Naoki Yashiki
Katsumi Iwata
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of HK27896A publication Critical patent/HK27896A/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/08—Clock generators with changeable or programmable clock frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Microcomputers (AREA)
  • Power Sources (AREA)
HK27896A 1987-11-20 1996-02-15 Semiconductor integrated circuit having a plurality of oscillation circuits HK27896A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62293796A JP2614877B2 (ja) 1987-11-20 1987-11-20 半導体集積回路装置

Publications (1)

Publication Number Publication Date
HK27896A true HK27896A (en) 1996-02-23

Family

ID=17799268

Family Applications (1)

Application Number Title Priority Date Filing Date
HK27896A HK27896A (en) 1987-11-20 1996-02-15 Semiconductor integrated circuit having a plurality of oscillation circuits

Country Status (5)

Country Link
EP (1) EP0316943B1 (xx)
JP (1) JP2614877B2 (xx)
KR (1) KR0134780B1 (xx)
DE (1) DE3853615T2 (xx)
HK (1) HK27896A (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2619961B2 (ja) * 1990-01-08 1997-06-11 松下電器産業株式会社 Ｐｗｍ方式ディジタルアナログ変換器用クロック発生装置
JP2676966B2 (ja) * 1990-03-16 1997-11-17 日本電気株式会社 シングルチップマイクロコンピュータ
JP3089646B2 (ja) * 1990-05-17 2000-09-18 日本電気株式会社 Ｐｗｍ出力回路
EP0613074B1 (en) * 1992-12-28 1998-04-01 Advanced Micro Devices, Inc. Microprocessor circuit having two timing signals
JPH0744432B2 (ja) * 1993-02-24 1995-05-15 日本電気株式会社 クロック生成装置
US5844435A (en) * 1997-03-11 1998-12-01 Lucent Technologies Inc Low power, high accuracy clock circuit and method for integrated circuits
KR19990013066A (ko) * 1997-07-31 1999-02-25 윤종용 수정 발진기를 구비한 반도체 장치
WO2000010072A1 (de) * 1998-08-14 2000-02-24 Siemens Aktiengesellschaft Verfahren und anordnung zur taktversorgung prozessorgesteuerter geräte
FR2850176B1 (fr) 2003-01-16 2005-04-15 St Microelectronics Sa Microprocesseur comprenant un circuit de base de temps auto-calibre
EP1447736A1 (fr) 2003-02-06 2004-08-18 STMicroelectronics Microprocesseur comprenant des modes de fonctionnement à faible consommation électrique
US20130067258A1 (en) * 2010-05-20 2013-03-14 Toshiaki Furuya Data processor and electronic control unit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4229699A (en) * 1978-05-22 1980-10-21 Data General Corporation Multiple clock selection system
US4463440A (en) * 1980-04-15 1984-07-31 Sharp Kabushiki Kaisha System clock generator in integrated circuit
JPS61109126A (ja) * 1984-10-31 1986-05-27 Mitsubishi Electric Corp １チップマイクロコンピュ−タ
US4748417A (en) * 1985-02-05 1988-05-31 Siemens Aktiengesellschaft Method and circuit arrangement for switching a clock-controlled device having a plurality of operating statuses
JPS61234417A (ja) * 1985-04-10 1986-10-18 Nec Corp マイクロコンピユ−タ
JPS6270923A (ja) * 1985-09-24 1987-04-01 Hitachi Ltd 発振回路を備えた集積回路
JPS62166419A (ja) * 1986-01-17 1987-07-22 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション 多周波クロック発生装置

Also Published As

Publication number Publication date
EP0316943A2 (en) 1989-05-24
JPH01134616A (ja) 1989-05-26
DE3853615D1 (de) 1995-05-24
KR890009087A (ko) 1989-07-15
DE3853615T2 (de) 1995-08-24
KR0134780B1 (ko) 1998-04-30
JP2614877B2 (ja) 1997-05-28
EP0316943B1 (en) 1995-04-19
EP0316943A3 (en) 1990-03-21

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)