TWI365366B - Usb chip with self-calibration circuit and calibration method thereof - Google Patents

Usb chip with self-calibration circuit and calibration method thereof

Info

Publication number
TWI365366B
TWI365366B TW097112105A TW97112105A TWI365366B TW I365366 B TWI365366 B TW I365366B TW 097112105 A TW097112105 A TW 097112105A TW 97112105 A TW97112105 A TW 97112105A TW I365366 B TWI365366 B TW I365366B
Authority
TW
Taiwan
Prior art keywords
calibration
self
usb chip
circuit
calibration method
Prior art date
Application number
TW097112105A
Other languages
English (en)
Other versions
TW200943017A (en
Inventor
Keng Khai Ong
Yi Jing Lin
Original Assignee
Sunplus Mmedia Inc
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 Sunplus Mmedia Inc filed Critical Sunplus Mmedia Inc
Priority to TW097112105A priority Critical patent/TWI365366B/zh
Priority to US12/417,350 priority patent/US20090251192A1/en
Publication of TW200943017A publication Critical patent/TW200943017A/zh
Application granted granted Critical
Publication of TWI365366B publication Critical patent/TWI365366B/zh

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F13/40—Bus structure
    • G06F13/4063—Device-to-bus coupling
    • G06F13/4068—Electrical coupling
    • G06F13/4072—Drivers or receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Information Transfer Systems (AREA)
TW097112105A 2008-04-03 2008-04-03 Usb chip with self-calibration circuit and calibration method thereof TWI365366B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW097112105A TWI365366B (en) 2008-04-03 2008-04-03 Usb chip with self-calibration circuit and calibration method thereof
US12/417,350 US20090251192A1 (en) 2008-04-03 2009-04-02 Self-calibration circuit for usb chips and method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW097112105A TWI365366B (en) 2008-04-03 2008-04-03 Usb chip with self-calibration circuit and calibration method thereof

Publications (2)

Publication Number Publication Date
TW200943017A TW200943017A (en) 2009-10-16
TWI365366B true TWI365366B (en) 2012-06-01

Family

ID=41132685

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097112105A TWI365366B (en) 2008-04-03 2008-04-03 Usb chip with self-calibration circuit and calibration method thereof

Country Status (2)

Country Link
US (1) US20090251192A1 (zh)
TW (1) TWI365366B (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8502589B2 (en) * 2009-11-26 2013-08-06 Mediatek Inc. Signal swing trimming apparatus and method thereof
CN102541798B (zh) * 2010-12-07 2015-06-10 瑞昱半导体股份有限公司 通用串行总线系统的在线校正方法及其装置
US20140211862A1 (en) * 2011-05-25 2014-07-31 The Silanna Group Pty Ltd. Usb isolator integrated circuit with usb 2.0 high speed mode and automatic speed detection
TW201301045A (zh) * 2011-06-30 2013-01-01 Senao Networks Inc 模式偵測方法、通用序列匯流排介面系統，及通用序列匯流排主機端
US8990592B2 (en) 2012-01-25 2015-03-24 Smsc Holdings S.A.R.L. Overcoming limited common-mode range for USB systems
WO2014117866A1 (en) * 2013-02-01 2014-08-07 SMSC Holdings, S.a.r.l. Overcoming limited common-mode range for usb sytems
CN106324479B (zh) * 2016-08-11 2020-01-31 上海东软载波微电子有限公司 一种芯片校准方法、电路及芯片

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409660A (en) * 1981-03-03 1983-10-11 Fischer & Porter Company Electronic totalizer
JP2002091584A (ja) * 2000-09-19 2002-03-29 Rohm Co Ltd 電気機器
TW538602B (en) * 2001-10-24 2003-06-21 Realtek Semi Conductor Co Ltd Circuit and method for automatically changing matching resistance
US7477704B1 (en) * 2003-04-16 2009-01-13 Apple Inc. Digital signal detection for high speed signaling systems
US7281069B2 (en) * 2004-08-31 2007-10-09 Broadcom Corporation Method and system for extending the functionality of an embedded USB transceiver interface to handle threshold shift of a USB 2.0 bus during high-speed chirp
US7679317B2 (en) * 2005-02-15 2010-03-16 Research In Motion Limited Systems and methods for charging a chargeable USB device
JP2006262610A (ja) * 2005-03-16 2006-09-28 Mitsumi Electric Co Ltd 電源回路
TWI302784B (en) * 2005-10-25 2008-11-01 Holtek Semiconductor Inc Auto-adjusting high accuracy oscillator
US7538535B2 (en) * 2006-01-13 2009-05-26 Dell Products L.P. Error voltage ripple compensation to extend bandwidth of a feedback loop in a DC-to-DC converter
CN100412760C (zh) * 2006-02-16 2008-08-20 中芯国际集成电路制造(上海)有限公司 用于基于通用串行总线的装置的节电系统和方法
US7586429B1 (en) * 2006-05-09 2009-09-08 Marvell International Ltd. Scrambling system for high resolution ditigal-to-analog converter
US20080288201A1 (en) * 2007-05-18 2008-11-20 Eric Gregory Oettinger "methods and apparatus to measure a transfer function of a control system"

Also Published As

Publication number Publication date
TW200943017A (en) 2009-10-16
US20090251192A1 (en) 2009-10-08

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees