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单片机编程 单片机A/D和D/A应用接口技术
18-2.  D/A转换器基本知识18-3. 光导智能小车硬件实现18-4. ADC0832基本应用方法18-5. 光导智能小车软件实现A/D转换器的主要技术指标分辨率  使输出数字量变化一个相邻数码所需输入模拟电压的变化量。常        用二进制的位数表示。     &nbs ...
单片机编程 用单片机内置比较器设计高精度A/D变换器
Σ-ΔA/D技术具有高分辨率、高线性度和低成本的特点。本文基于TI公司的MSP430F1121单片机,介绍了采用内置比较器和外围电路构成类似于Σ-△的高精度A/D实现方案,适合用于对温度、压力和电压等缓慢变化信号的采集应用。 在各种A/D转换器中,最常用是逐次逼近法(SAR)A/D,该类器件具有转换时间固定且快速的特点,但难以显著 ...
单片机编程 单片机应用技术选编11
单片机应用技术选编(11) 目录
 
第一章 专题论述
1.1 3种嵌入式操作系统的分析与比较(2)
1.2 KEIL RTX51 TINY内核的分析与应用(8)
1.3 中间件技术及其发展展望(13)
1.4 嵌入式实时操作系统μC/OSⅡ的移植探讨(19)
1.5 μC/OSⅡ的移植及其应用系统开发(23)
1.6 片上系统的总线结构发展现状及前景(27)
1.7 SoC&mdas ...
教程资料 Create a 1-Wire Master with Xilinx PicoBlaze
Abstract: Designers who must interface 1-Wire temperature sensors with Xilinx field-programmable gate arrays(FPGAs) can use this reference design to drive a DS28EA00 1-Wire slave device. The downloadable softwarementioned in this document can also be used as a starting point to connect other 1-Wir ...
教程资料 AstroII-EVB-F1K(A)-L144开发板用户指南
AstroII-EVB-F1K(A)-L144开发板用户指南
教程资料 Employing a Single-Chip Transceiver in Femtocell Base-Station Applications
Abstract: This application note discusses the development and deployment of 3G cellular femtocell base stations. The technicalchallenges for last-mile residential connectivity and adding system capacity in dense urban environments are discussed, with 3Gfemtocell base stations as a cost-effective s ...
教程资料 Virtex-5 GTP Transceiver Wizar
The LogiCORE™ GTP Wizard automates the task of creating HDL wrappers to configure the high-speed serial GTP transceivers in Virtex™-5 LXT and SXT devices. The menu-driven interface allows one or more GTP transceivers to be configured using pre-definedtemplates for popular industry standa ...
通信网络 带有SerDes接口的PLB千兆位级以太网MAC
This application note describes a reference system which illustrates how to build an embeddedPowerPC® system using the Xilinx 1-Gigabit Ethernet Media Access Controller processor core.This system has the PLB_Gemac configured to use Scatter/Gather Direct Memory Access andthe Serializer/Deserial ...
通信网络 XAPP807-封装最小的三态以太网MAC处理引擎
The Tri-Mode Ethernet MAC (TEMAC) UltraController-II module is a minimal footprint,embedded network processing engine based on the PowerPC™ 405 (PPC405) processor coreand the TEMAC core embedded within a Virtex™-4 FX Platform FPGA. The TEMACUltraController-II module connects to an exte ...
通信网络 基于以太网的虚拟示波器设计
为提升虚拟仪器传输速率与实时性能,扩展监测范围,在VC的软件平台上设计了一种全功能虚拟示波器。与传统虚拟示波器相比,该系统采用嵌入式系统完成信号采集,采用工业以太网为传输介质,通过线性插值算法和多线程编程思想,实现波形显示、参数计算、频谱分析以及波形存储及回放功能。实验结果表明,该虚拟示波器可以实现20 ...