CN1196266C - 具有时钟发生器和双向时钟引脚装置的多时钟集成电路 - Google Patents

具有时钟发生器和双向时钟引脚装置的多时钟集成电路 Download PDF

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Publication number
CN1196266C
CN1196266C CNB008129940A CN00812994A CN1196266C CN 1196266 C CN1196266 C CN 1196266C CN B008129940 A CNB008129940 A CN B008129940A CN 00812994 A CN00812994 A CN 00812994A CN 1196266 C CN1196266 C CN 1196266C
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CN
China
Prior art keywords
clock
integrated circuit
signal
pin
control
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.)
Expired - Fee Related
Application number
CNB008129940A
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English (en)
Chinese (zh)
Other versions
CN1378719A (zh
Inventor
D·L·阿尔贝安
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RCA Licensing Corp
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RCA Licensing Corp
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Publication date
Application filed by RCA Licensing Corp filed Critical RCA Licensing Corp
Publication of CN1378719A publication Critical patent/CN1378719A/zh
Application granted granted Critical
Publication of CN1196266C publication Critical patent/CN1196266C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/173—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components
    • H03K19/1731—Optimisation thereof
    • H03K19/1732—Optimisation thereof by limitation or reduction of the pin/gate ratio
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F1/10—Distribution of clock signals, e.g. skew
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
    • G06F13/4291—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus using a clocked protocol
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/22—Means for limiting or controlling the pin/gate ratio
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0016—Inter-integrated circuit (I2C)

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Microcomputers (AREA)
  • Tests Of Electronic Circuits (AREA)
  • Design And Manufacture Of Integrated Circuits (AREA)
  • Logic Circuits (AREA)
CNB008129940A 1999-09-15 2000-09-15 具有时钟发生器和双向时钟引脚装置的多时钟集成电路 Expired - Fee Related CN1196266C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15409899P 1999-09-15 1999-09-15
US60/154,098 1999-09-15

Publications (2)

Publication Number Publication Date
CN1378719A CN1378719A (zh) 2002-11-06
CN1196266C true CN1196266C (zh) 2005-04-06

Family

ID=22549996

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB008129940A Expired - Fee Related CN1196266C (zh) 1999-09-15 2000-09-15 具有时钟发生器和双向时钟引脚装置的多时钟集成电路

Country Status (9)

Country Link
US (1) US6639422B1 (enExample)
EP (1) EP1212835B1 (enExample)
JP (1) JP2003509783A (enExample)
KR (1) KR100755247B1 (enExample)
CN (1) CN1196266C (enExample)
AU (1) AU7495600A (enExample)
DE (1) DE60034581T2 (enExample)
MX (1) MXPA02002581A (enExample)
WO (1) WO2001020784A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100397381C (zh) * 2006-07-12 2008-06-25 北京中星微电子有限公司 一种复用管脚工作模式的自动切换装置

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100414867B1 (ko) * 2001-12-29 2004-01-13 주식회사 하이닉스반도체 저잡음 내장형 클럭생성기를 구비한 마이크로 컨트롤러 및그를 탑재한 시스템
AU2002229714A1 (en) * 2002-01-18 2003-07-30 Mentor Graphics (Holdings) Ltd. System and method of clocking an ip core during a debugging operation
US6650163B1 (en) * 2002-08-08 2003-11-18 International Business Machines Corporation Clock generator for integrated circuit
US7489362B2 (en) 2003-03-04 2009-02-10 Broadcom Corporation Television functionality on a chip
US7532648B2 (en) * 2003-08-14 2009-05-12 Broadcom Corporation System and method using an I/O multiplexer module
US7284170B2 (en) 2004-01-05 2007-10-16 Texas Instruments Incorporated JTAG circuit transferring data between devices on TMS terminals
CN100334521C (zh) * 2004-02-28 2007-08-29 鸿富锦精密工业（深圳）有限公司 时钟管理系统及方法
US7519111B2 (en) * 2004-03-15 2009-04-14 Texas Instruments Incorporated Apparatus and method for providing system and test clock signals to an integrated circuit on a single pin
US7555670B2 (en) * 2005-10-26 2009-06-30 Intel Corporation Clocking architecture using a bidirectional clock port
WO2008026177A1 (en) * 2006-08-31 2008-03-06 Nxp B.V. Multi-clock system-on-chip with universal clock control modules for transition fault test at speed multi-core
US8327199B1 (en) * 2010-03-05 2012-12-04 Altera Corporation Integrated circuit with configurable test pins
CN103246631B (zh) * 2013-05-16 2016-01-13 北京工业大学 一种用于提高管脚使用率的管脚复用方法及电路
US10318370B2 (en) * 2016-03-25 2019-06-11 Seiko Epson Corporation Circuit device, physical quantity detection device, oscillator, electronic apparatus, vehicle, and method of detecting failure of master clock signal
US11953936B2 (en) * 2021-10-28 2024-04-09 Silicon Laboratories Inc. System, apparatus and method for identifying functionality of integrated circuit via clock signal superpositioning

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293870A (en) 1980-01-31 1981-10-06 Rca Corporation Circuit arrangement for multiplexing an input function and an output function at a single terminal
US4761567A (en) * 1987-05-20 1988-08-02 Advanced Micro Devices, Inc. Clock scheme for VLSI systems
JPH02119425A (ja) * 1988-10-28 1990-05-07 Nec Corp 双方向バッファ回路
JPH04123117A (ja) * 1990-09-13 1992-04-23 Nec Corp クロック切替回路
US5495422A (en) 1993-10-12 1996-02-27 Wang Laboratories, Inc. Method for combining a plurality of independently operating circuits within a single package
US5596765A (en) 1994-10-19 1997-01-21 Advanced Micro Devices, Inc. Integrated processor including a device for multiplexing external pin signals
US5752077A (en) 1995-05-15 1998-05-12 Motorola, Inc. Data processing system having a multi-function input/output port with individual pull-up and pull-down control
KR0146544B1 (ko) * 1995-05-25 1998-11-02 김광호 다수개의 스위칭 수단을 가지는 다용도 패드를 구비한 반도체 메모리장치
WO1997003444A1 (en) 1995-07-10 1997-01-30 Xilinx, Inc. System comprising field programmable gate array and intelligent memory
US5686844A (en) * 1996-05-24 1997-11-11 Microchip Technology Incorporated Integrated circuit pins configurable as a clock input pin and as a digital I/O pin or as a device reset pin and as a digital I/O pin and method therefor
IES80917B2 (en) * 1997-12-15 1999-06-30 Tellabs Research Limited Clocking in electronic circuits

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100397381C (zh) * 2006-07-12 2008-06-25 北京中星微电子有限公司 一种复用管脚工作模式的自动切换装置

Also Published As

Publication number Publication date
US6639422B1 (en) 2003-10-28
EP1212835A1 (en) 2002-06-12
JP2003509783A (ja) 2003-03-11
WO2001020784A1 (en) 2001-03-22
MXPA02002581A (es) 2002-07-30
CN1378719A (zh) 2002-11-06
KR20020029437A (ko) 2002-04-18
KR100755247B1 (ko) 2007-09-06
DE60034581D1 (de) 2007-06-06
AU7495600A (en) 2001-04-17
DE60034581T2 (de) 2008-01-31
EP1212835B1 (en) 2007-04-25

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