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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
下载: 45
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教程资料 WP247 - Virtex-5系列高级封装

The exacting technological demands created byincreasing bandwidth requirements have given riseto significant advances in FPGA technology thatenable engineers to successfully incorporate highspeedI/O interfaces in their designs. One aspect ofdesign that plays an increasingly important role isthat o ...
https://www.eeworm.com/dl/fpga/doc/32593.html
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教程资料 XAPP520将符合2.5V和3.3V I/O标准的7系列FPGA高性能I/O Bank进行连接

XAPP520将符合2.5V和3.3V I/O标准的7系列FPGA高性能I/O Bank进行连接  The I/Os in Xilinx® 7 series FPGAs are classified as either high range (HR) or high performance (HP) banks. HR I/O banks can be operated from 1.2V to 3.3V, whereas HP I/O banks are optimized for operation between 1.2V and ...
https://www.eeworm.com/dl/fpga/doc/32622.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
下载: 178
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教程资料 扩频通信芯片STEL-2000A的FPGA实现

针对传统集成电路（ASIC）功能固定、升级困难等缺点，利用FPGA实现了扩频通信芯片STEL-2000A的核心功能。使用ISE提供的DDS IP核实现NCO模块，在下变频模块调用了硬核乘法器并引入CIC滤波器进行低通滤波，给出了DQPSK解调的原理和实现方法，推导出一种简便的引入?仔/4固定相移的实现方法。采用模块化的设计方法使用VHDL语言 ...
https://www.eeworm.com/dl/fpga/doc/32653.html
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教程资料 基于CPLD的QDPSK调制解调电路设计

为了在CDMA系统中更好地应用QDPSK数字调制方式，在分析四相相对移相（QDPSK)信号调制解调原理的基础上，设计了一种QDPSK调制解调电路，它包括串并转换、差分编码、四相载波产生和选相、相干解调、差分译码和并串转换电路。在MAX+PLUSⅡ软件平台上，进行了编译和波形仿真。综合后下载到复杂可编程逻辑器件EPM7128SLC84-15中 ...
https://www.eeworm.com/dl/fpga/doc/32656.html
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教程资料 USB接口控制器参考设计,xilinx提供VHDL代码 us

USB接口控制器参考设计,xilinx提供VHDL代码 usb xilinx vhdl ;  This program is free software; you can redistribute it and/or modify ;  it under the terms of the GNU General Public License as published by ;  the Free Software Foundation; either version 2 of the License, or ;  ...
https://www.eeworm.com/dl/fpga/doc/32717.html
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教程资料 8259 VHDL代码

a8259 可编程中断控制 altera提供 The a8259 is designed to simplify the implementation of the interrupt interface  in 8088 and 8086  based microcomputer systems. The device is known as a programmable interrupt controller.  The a8259 receives and prioritizes up to 8 interrupts,  ...
https://www.eeworm.com/dl/fpga/doc/32731.html
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通信网络 HITECH与电脑的通信协议

1 Communication Protocol (Computer as master)   The communication protocol describes here allows your computer to access 4096 internal registers (W0000-W4095) and 1024 internal relays&n ...
https://www.eeworm.com/dl/564/32771.html
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通信网络 tcp ip协议详解 中文版PDF

很多不同的厂家生产各种型号的计算机，它们运行完全不同的操作系统，但TCP.IP协议族允许它们互相进行通信。这一点很让人感到吃惊，因为它的作用已远远超出了起初的设想。T C P / I P起源于6 0年代末美国政府资助的一个分组交换网络研究项目，到9 0年代已发展成为计算机之间最常应用的组网形式。它是一个真正的开放系统， ...
https://www.eeworm.com/dl/564/33320.html
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