http://www.edaboard.com/thread227388.html Hi, i have designed a 48 pin universal programmer but need help finishing it off, is anyone up for the challange? Programmer info:LPC2388 ARM7TDMI CPU with USB2XDC/DC Converters48 universal pin drivers which…

http://www.elnec.com/products/universal-programmers/beeprog2c/ FPGA based totally reconfigurable 48 powerful TTL pindrivers provide H/L/pull_up/pull_down and read capability for each pin of socket. Advanced pindrivers incorporate high-quality high-sp…

http://www.elnec.com/products/universal-programmers/smartprog2/ 40 powerful TTL pindrivers provide H/L/pull_up/pull_down and read capability for each pin of socket. Advanced pindrivers incorporate high-quality high-speed circuitry to deliver signals…

Constraints Methodology(约束方法论) 关于约束方法论 设计约束定义了编译流程必须满足的要求,以使设计在板上起作用. 并非所有步骤都使用所有约束在编译流程中. 例如,物理约束仅在实现步骤期间使用(即,由布局器和路由器).由于Xilinx®Vivado®集成设计环境(IDE)综合和实现算法是时序驱动的,因此必须创建适当的时序约束.过度约束或设计不足会使时序收敛变得困难. 您必须使用符合您的应用程序要求的合理约束. 也就是说这一章主要就是讲解约束的行为规范,上一章讲述的是如何输…

Overview Design patterns are ways to reuse design solutions that other software developers have created for common and recurring problems. The design patterns on this page are from the book Design Patterns, Elements of Reusable Object-Oriented Softwa…

[it-ebooks]电子书列表   [2014]: Learning Objective-C by Developing iPhone Games || Leverage Xcode and Objective-C to develop iPhone games http://it-ebooks.info/book/3544/Learning Web App Development || Build Quickly with Proven JavaScript Techniques http:…

from:http://msdn.microsoft.com/en-us/library/ms229335.aspx 我们平时在VS.net里引用的那些类库就是从这里来的 The .NET Framework class library is a library of classes, interfaces, and value types that provides access to system functionality and is designed to be the foundat…

---恢复内容开始--- OBDII Interface Project When I can ever find enough time away from schoolwork, I try to work on an OBDII compliant portable ScanTool. However, with my current course load and lab projects progress on this project has been very slow. I fi…

随着FT232H USB2.0高速芯片的发布,英商飞特蒂亚公司(FTDI)进一步巩固了其在USB接口集成电路产品的地位.此款多功能的单通道USB转UART/FIFO接口设备可通过EEPROM配置为各种不同的串行或并行接口.与FTDI建设完备精良的USB设备驱动一起,这套方案使工程师可以轻松的将高速 USB连接引入新的和传统的外设设计中.另外,还有相关的UM232H评估模块帮助工程师快速建立设计样机,测试FT232H集成到新的系统设计的适用性.其高度集成的USB设备控制器包含USB, 串行和并行协…

1.The Different Kinds of Type Members 1.Constants:a symbol that identifies a never-changing data value.Constants are always associated with a type, not an instance of a type. Logically, constants are always static members 2.Fields:represents a read-o…