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单片机编程  DS1820 C51 子程序 (一线数据传输)

//芯片资料请到www.elecfans.com查找 //DS1820 C51 子程序//这里以11.0592M晶体为例，不同的晶体速度可能需要调整延时的时间//sbit DQ =P2^1;//根据实际情况定义端口 typedef unsigned char byte;typedef unsigned int&nbsp; word; //延时void delay(word useconds){&nbsp; for(;useconds>0;useconds--);} //复位byte ow_re ...

https://www.eeworm.com/dl/502/31450.html

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教程资料  XAPP452-Spartan-3高级配置架构

This application note provides a detailed description of the Spartan&trade;-3 configurationarchitecture. It explains the composition of the bitstream file and how this bitstream isinterpreted by the configuration logic to program the part. Additionally, a methodology ispresented that will guide th ...

https://www.eeworm.com/dl/fpga/doc/32580.html

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教程资料  XAPP098 - Spartan FPGA低成本、高效率串行配置

This application note shows how to achieve low-cost, efficient serial configuration for Spartan FPGA designs. The approachrecommended here takes advantage of unused resources in a design, thereby reducing the cost, part count, memory size,and board space associated with the serial configuration ci ...

https://www.eeworm.com/dl/fpga/doc/32590.html

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教程资料  WP401-FPGA设计的DO-254

The standard that governs the design of avioniccomponents and systems, DO-254, is one of the mostpoorly understood but widely applicable standardsin the avionic industry. While information on thegeneral aspects of the standard is easy to obtain, thedetails of exactly how to implement the standard ...

https://www.eeworm.com/dl/fpga/doc/32591.html

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教程资料  CPLD和FPGA设计介绍

Field Programmable Gate Arrays (FPGAs) are becoming a critical part of every system design. Many vendors offer many different architectures and processes. Which one is right for your design? How do you design one of these so that it works correctly and functions as you expect in your entire system ...

https://www.eeworm.com/dl/fpga/doc/32627.html

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教程资料  PLD对FPGA数据加密

SRAM-based FPGAs are non-volatile devices. Upon powerup, They are required to be programmed from an external source. This procedure allows anyone to easily monitor the bit-stream, and clone the device. The problem then becomes how can you effectively protect your intellectual property from others ...

https://www.eeworm.com/dl/fpga/doc/32637.html

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通信网络  MEMS 经典教材

The field of microelectromechanical systems (MEMS), particularly micromachinedmechanical transducers, has been expanding over recent years, and the productioncosts of these devices continue to fall. Using materials, fabrication processes, anddesign tools originally developed for the microelectronic ...

https://www.eeworm.com/dl/564/33814.html

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嵌入式综合  NIOSII用户定制指令

With the Altera Nios II embedded processor, you as the system designercan accelerate time-critical software algorithms by adding custominstructions to the Nios II processor instruction set. Using custominstructions, you can reduce a complex sequence of standard instructionsto a single instruction im ...

https://www.eeworm.com/dl/566/35902.html

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无线通信  CF卡技术资料

The information in this specification is subject to change without notice.Use of this specification for product design requires an executed license agreement from the CompactFlashAssociation.The CompactFlash Association shall not be liable for technical or editorial errors or omissions contained her ...

https://www.eeworm.com/dl/510/36525.html

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无线通信  S参数的设计与应用

Agilent AN 154 S-Parameter Design Application Note S参数的设计与应用 The need for new high-frequency, solid-state circuitdesign techniques has been recognized both by microwaveengineers and circuit designers. These engineersare being asked to design solid state circuitsthat will operate at higher an ...

https://www.eeworm.com/dl/510/36564.html

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