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purpose

This project provides a general purpose library which implements read and write support for MMC, SD

This project provides a general purpose library which implements read and write support for MMC, SD and SDHC memory cards. Written in ANSI C portable for several Microcontrollers.

標簽： implements provides project general

上傳時間： 2014-01-21

上傳用戶：zhangyigenius
嵌入式實時操作系統MicroCOS_II光盤內容.rar

MicroC/OS-II The Real-Time Kernel Second Edition By Jean J. Labrosse CMP Books, CMP Media LLC Copyright 2002 by CMP Books ISBN 1-57820-103-9 CMP Books CMP Media LLC 1601 West 23rd Street, Suite 200 Lawrence, Kansas 66046 785-841-1631 www.cmpbooks.com email: books@cmp.com The programs and applications on this disk have been carefully tested, but are not guaranteed for any particular purpose. The publisher does not offer any warranties and does not guarantee the accuracy, adequacy, or completeness of any information and is not responsible for any errors or omissions or the results obtained from use of such information.

標簽： MicroCOS_II 嵌入式實時操作系統

上傳時間： 2013-06-09

上傳用戶：zhyiroy
基于FPGA動態重構的故障容錯技術.rar

可重構計算技術兼具通用處理器(General-purpose Processor，GPP)和專用集成電路(Application Specific Integr—ated Circuits，ASIC)的特點，既可以提供硬件高速的特性，又具有軟件可以重新配置的特性。而動態部分可重構技術是可重構計算技術的最新進展之一。該技術的要點就是在系統正常工作的情況下，修改部分模塊的功能，而系統其它模塊能夠照常運行，這樣既節約硬件資源，又增強了系統靈活性。可重構SoC既可以在處理器上進行編程又可以改變FPGA內部的硬件結構，這使得SoC系統既具有處理器善于控制和運算的特點，又具FPGA靈活的重構特點；由于處理器和FPGA硬件是在同一塊硅片上，使得它們之間的通信寬帶大大提高，這種平臺很適合于容錯算法的實現。本文基于863計劃項目；動態重構計算機的可信實現關鍵技術，重點研究應用于惡劣環境中FPGA自我容錯的體系結構，提出了一套完整的SoC系統的容錯設計方案，并研究其實現技術，設計實現了實現該技術的硬件平臺和軟件算法，并驗證成功。論文取得了如下的創新性研究成果： 1、設計了實現動態重構技術的硬件平臺，包括高性能的FPGA(內含入式處理器PowcrPC)、PROM、SRAM、FLASH、串口通信等硬件模塊。 2、說明了動態重構技術的設計規范和設計流程，實現動態重構技術。 3、提出了一種基于動態重構實現容錯的方法，不需要外部處理器干預，由嵌入式處理器負責管理整個過程。 4、設計并實現了嵌入式處理器運行時需要的軟件，主要有兩個功能，首先是從CF卡中讀入重構所需的配置文件，并將配置文件寫進FPGA內部的配置存儲器中，改變FPGA內部的功能。其次，是實現容錯技術的算法。

標簽： FPGA 動態容錯技術

上傳時間： 2013-04-24

上傳用戶：edrtbme
Atmel產品的資料

■ High Performance, Low Power AVR? 8-Bit Microcontroller ■ Advanced RISC Architecture –120 Powerful Instructions – Most Single Clock Cycle Execution –32 x 8 General purpose Working Registers –Fully Static Operation

標簽： Atmel

上傳時間： 2013-06-01

上傳用戶：tccc
如何用ST7 PWM ST7 BRM產生模擬信號輸出(50Hz正弦波)

The purpose of this note is to present how to use the ST7 PWM/BRM for the generation of a50Hz si

標簽： ST7 PWM BRM 50

上傳時間： 2013-06-01

上傳用戶：huyanju
利用數字電位器調整并校準升壓型DC-DC轉換器

The purpose of this application note is to show an example of how a digital potentiometer can be used in thefeedback loop of a step-up DC-DC converter to provide calibration and/or adjustment of the output voltage.The example circuit uses a MAX5025 step-up DC-DC converter (capable of generating up to 36V,120mWmax) in conjunction with a DS1845, 256 position, NV digital potentiometer. For this example, the desiredoutput voltage is 32V, which is generated from an input supply of 5V. The output voltage can be adjusted in35mV increments (near 32V) and span a range wide enough to account for resistance, potentiometer and DCDCconverter tolerances (27.6V to 36.7V).

標簽： DC-DC 數字電位器升壓型校準

上傳時間： 2014-12-23

上傳用戶：781354052
高集成四通道工業控制應用的電壓輸出DAC

Digital-to-analog converters (DACs) are prevalent inindustrial control and automated test applications.General-purpose automated test equipment often requiresmany channels of precisely controlled voltagesthat span several voltage ranges. The LTC2704 is ahighly integrated 16-bit, 4-channel DAC for high-endapplications. It has a wide range of features designed toincrease performance and simplify design.

標簽： DAC 集成四通道工業

上傳時間： 2013-11-22

上傳用戶：元宵漢堡包
DA轉換接口的射頻IQ調制

Linear Technology’s High Frequency Product lineupincludes a variety of RF I/Q modulators. The purpose ofthis application note is to illustrate the circuits requiredto interface these modulators with several popular D/Aconverters. Such circuits typically are required to maximizethe voltage transfer from the DAC to the baseband inputsof the modulator, as well as provide some reconstructionfi ltering.

標簽： DA轉換接口射頻調制

上傳時間： 2013-10-19

上傳用戶：FreeSky
PCI ExpressTM Architecture

PCI ExpressTM Architecture Add-in Card Compliance Checklist for the PCI Express Base 1.0a SpecificationThe PCI Special Interest Group disclaims all warranties and liability for the use of this document and the information contained herein and assumes no responsibility for any errors that may appear in this document, nor does the PCI Special Interest Group make a commitment to update the information contained herein.Contact the PCI Special Interest Group office to obtain the latest revision of this checklistQuestions regarding the ths document or membership in the PCI Special Interest Group may be forwarded tPCI Special Interest Group5440 SW Westgate Drive #217Portland, OR 97221Phone: 503-291-2569Fax: 503-297-1090 DISCLAIMERThis document is provided "as is" with no warranties whatsoever, including any warranty of merchantability, noninfringement, fitness for any particular purpose, or any warranty otherwise arising out of any proposal, specification, or sample. The PCI SIG disclaims all liability for infringement of proprietary rights, relating to use of information in this specification. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted herein.

標簽： Architecture ExpressTM PCI

上傳時間： 2013-11-03

上傳用戶：gy592333
PCI Express電源解決方案

PCI ExpressTM is the third generation of PCI (PeripheralComponent Interconnect) technology used to connect I/Operhipheral devices in computer systems. It is intended asa general purpose I/O device interconnect that meets theneeds of a wide variety of computing platforms such asdesktop, mobile, server and communications. It alsospecifies the electrical and mechanical attributes of thebackplane, connectors and removable cards in thesesystems.

標簽： Express PCI 電源解決方案

上傳時間： 2013-11-17

上傳用戶：squershop

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purpose

This project provides a general purpose library which implements read and write support for MMC, SD

嵌入式實時操作系統MicroCOS_II光盤內容.rar

基于FPGA動態重構的故障容錯技術.rar

Atmel產品的資料

如何用ST7 PWM ST7 BRM產生模擬信號輸出(50Hz正弦波)

利用數字電位器調整并校準升壓型DC-DC轉換器

高集成四通道工業控制應用的電壓輸出DAC

DA轉換接口的射頻IQ調制

PCI ExpressTM Architecture

PCI Express電源解決方案