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When the P89LPC90x is in programming mode all pins that are not used for programming are tri-stated.

When the P89LPC90x is in programming mode all pins that are not used for programming are tri-stated. During programming mode the reset pin has a weak pull-up resistor.

標簽： programming tri-stated are When

上傳時間： 2015-11-03

上傳用戶：集美慧
KXML一個基于j2me的xml解析器

KXML一個基于j2me的xml解析器，基于pull機制。

標簽： KXML j2me xml 解析器

上傳時間： 2015-11-14

上傳用戶：heart520beat
IO 驅動 LCD , *** *** *** *** *** *** *** *** FILE NAME: IO_LCD MCU: HT46R22 MASK OPTION: WAKE-U

IO 驅動 LCD , *** *** *** *** *** *** *** *** FILE NAME: IO_LCD MCU: HT46R22 MASK OPTION: WAKE-UP: PA6,PA7 pull-HIGH: PA,PB,PC IIC: DISABLE PFD: DISABLE PWM: DISABLE WDT: ENABLE CLRWDT: ONE WDT CLOCK SOURCE: T1 WDT TIME OUT SELECT: WDT CLOCK SOURCE/32768 LVR: DISABLE OSC: CRYSTAL SYSVOLT: 3.0V SYSFRAG: 4000KHZ AUTHOR: RADOME HISTORY: 2005.08.

標簽： IO_LCD OPTION WAKE-U FILE

上傳時間： 2014-12-21

上傳用戶：watch100
The Original USB 2.0 specification released on April 27, 2000 Errata to the USB 2.0 specification

The Original USB 2.0 specification released on April 27, 2000 Errata to the USB 2.0 specification as of December 7, 2000 Mini-B connector Engineering Change Notice to the USB 2.0 specification. pull-up/pull-down Resistors Engineering Change Notice to the USB 2.0 specification. Errata to the USB 2.0 specification as of May 28, 2002 Interface Association Descriptor Engineering Change Notice to the USB 2.0 specification. Rounded Chamfer Engineering Change Notice to the USB 2.0 specification as of October 8, 2003 Unicode Engineering Change Notice to the USB 2.0 specification as of February 21, 2005 Inter-Chip USB Supplement Revision 1.0 as of March 13, 2006 Revision 1.3 of the USB On-The-Go Supplement as of December 5, 2006 Revision 1.01 of the Micro-USB Cables and Connectors Specification as of April 4, 2007 USB 2.0 Link Power Management Addendum Engineering Change Notice to the USB 2.0 specification as of July 16, 2007.

標簽： specification 2.0 USB Original

上傳時間： 2013-12-31

上傳用戶：familiarsmile
Debugging is a fascinating topic no matter what language or platform you re using. It s the only par

Debugging is a fascinating topic no matter what language or platform you re using. It s the only part of software development in which engineers kick, scream at, or even throw their computers. For a normally reticent, introverted group, this degree of emotion is extraordinary. Debugging is also the part of software development that s famous for causing you to pull all-nighter

標簽： fascinating Debugging language platform

上傳時間： 2013-12-19

上傳用戶：xieguodong1234
linux源碼

linux源碼，高級io操作中pull的用法

標簽： linux 源碼

上傳時間： 2013-12-03

上傳用戶：ynzfm
This book is designed to teach you the best practices in developing Windows DNA applications. We ha

This book is designed to teach you the best practices in developing Windows DNA applications. We have avoided making this book a primer on every technology associated with Windows DNA. If we had followed this course, this would be an encyclopedia set. Everyone has their favorite authors and books on the various technical subject areas. The market is full of books to teach you the basics, the how, this book tries to be different in that we pull out the important points to teach you about the why. If you need training in a particular technology covered in this book, Sams has a number of 24-hour and 21-day books that cover a wide range of topics.

標簽： applications developing practices designed

上傳時間： 2016-11-27

上傳用戶：yyq123456789
rda遠程數據訪問

rda遠程數據訪問，在wince下使用sqlce3.0連接sql2005,使用的rda方法，其中包括pull,push,和submitsql三個方法。

標簽： rda 遠程數據訪問

上傳時間： 2017-03-09

上傳用戶：SimonQQ
50W隔離型離線式DC.pdf

ABSTRACTThe flyback power stage is a popular choice for single and multiple output dc-to-dc converters at powerlevels of 150 Watts or less. Without the output inductor required in buck derived topologies, such as theforward or push-pull converter, the component count and cost are reduced. This application note will reviewthe design procedure for the power stage and control electronics of a flyback converter. In these isolatedconverters, the error signal from the secondary still needs to cross the isolation boundary to achieveregulation. By using the UC3965 Precision Reference with Low Offset Error Amplifier on the secondaryside to drive an optocoupler and the UCC3809 Economy Primary Side Controller on the primary side, asimple and low cost 50 Watt isolated power supply is realized.

標簽： 隔離

上傳時間： 2021-11-24

上傳用戶：kingwide
分立元件IGBT驅動電路的改進與測試

摘要：本文在分析1GBT的動態開關特性和過流狀態下的電氣特性的基礎上，通過對常規的IGBT推挽驅動電路進行改進，得到了具有良好過流保護特性的IGBT驅動電路。該電路簡單，可靠，易用，配合DSP等控制芯片能達到很好的驅動效果Abstract：Based on the studies on the dynamic switching and over-current characteristics of IGBT，this paper makes some improvments to the original push-pull driving circuit，obtains a new IGBT driving circuit which has a good over-current protection function.The circuit is simple，reliable and easy to use.Combined with controlling chips such as DSP it will do a great job in driving applications.關鍵詞：IBGT：開關特性；驅動；過流保護；Key Words:IGBT；switching characteristics；driving:over-current protection

標簽： 分立元件 igbt 驅動電路

上傳時間： 2022-06-21

上傳用戶：

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pull

When the P89LPC90x is in programming mode all pins that are not used for programming are tri-stated.

KXML一個基于j2me的xml解析器

IO 驅動 LCD , * * * * * * * * FILE NAME: IO_LCD MCU: HT46R22 MASK OPTION: WAKE-U

The Original USB 2.0 specification released on April 27, 2000 Errata to the USB 2.0 specification

Debugging is a fascinating topic no matter what language or platform you re using. It s the only par

linux源碼

This book is designed to teach you the best practices in developing Windows DNA applications. We ha

rda遠程數據訪問

50W隔離型離線式DC.pdf

分立元件IGBT驅動電路的改進與測試