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仿真技术 Proteus教程之属性
1. 简介
ISIS中的属性有非常大的用处。一个特定的对象的属性是由一些关键字组成，比如，在ISIS中，我们使用封装的属性与PCB的封装关联。
对象，管脚，电路图都有自己的属性，如果你想很把这个功能强大的软件用好你必须很清楚他们之间的联系，这个软件和以前你所用过的画电路的软件有些不同。
2. 对 ...
电源技术 高功率PoE PD接口与集成反激式控制器
 
To this day, Power over Ethernet (PoE) continues to gainpopularity in today’s networking world. The 12.95Wdelivered to the Powered Device (PD) input supplied bythe Power Sourcing Equipment (PSE) is a universal supply.Each PD provides its own DC/DC conversion from anominal 48V supply ...
单片机编程 基于HITAG读写芯片HTRC110的读写设备设计
Designing read/write device (RWD) units for industrial RF-Identification
applications is strongly facilitated by the NXP Semiconductors HITAG
Reader Chip HTRC110. All needed function blocks, like the antenna
driver, modulator demodulator and antenna diagnosis unit, are integrated
in the HTRC11 ...
单片机编程 PIC单片机的RS232通讯程序
Digitemp Jr. is a device that is designed to measure
and report ambient temperature. When connected to
an RS-232 port on any PC, it will periodically measure
and report in ASCII form the ambient temperature in
degrees Celsius. These temperature readings can be
monitored with any terminal program. If ...
单片机编程 Using the 87LPC76X microcontro
I2C interface, is a very powerful tool for system designers. Theintegrated protocols allow systems to be completely software defined.Software development time of different products can be reduced byassembling a library of reusable software modules. In addition, themultimaster capability allows rapid ...
教程资料 基于Xilinx FPGA的双输出DC/DC转换器解决方案
 
Xilinx FPGAs require at least two power supplies: VCCINTfor core circuitry and VCCO for I/O interface. For the latestXilinx FPGAs, including Virtex-II Pro, Virtex-II and Spartan-3, a third auxiliary supply, VCCAUX may be needed. Inmost cases, VCCAUX can share a power supply with VCCO.The ...
可编程逻辑 基于Xilinx FPGA的双输出DC/DC转换器解决方案
 
Xilinx FPGAs require at least two power supplies: VCCINTfor core circuitry and VCCO for I/O interface. For the latestXilinx FPGAs, including Virtex-II Pro, Virtex-II and Spartan-3, a third auxiliary supply, VCCAUX may be needed. Inmost cases, VCCAUX can share a power supply with VCCO.The ...
单片机开发 This project is created using the Keil ARM CA Compiler. The Logic Analyzer built into the simula
This project is created using the Keil ARM CA Compiler.
The Logic Analyzer built into the simulator may be used to monitor and display any variable or peripheral I/O register. It is already configured to show the PWM output signal on PORT3.0 and PORT3.1
This ARM Example may be debugged using onl ...
技术资料 新唐NUC970 Non-OS BSP 用户指南
這包 BSP 支持了NUC970 系列芯片. 新唐科技的 NUC970 系列芯片是以 ARM926EJS 為核心的系统级單芯片. 包含了 16kB I-Cache 以及 16kB D-Cache 以及MMU 記憶體管理模塊. 最高支援到 300MHz 的頻率, 並且提供了豐富的外設接口周邊. 有USB 快速Host/Device, SDHC, 支援TFT LCD介面, 網路接口 和I2S audio介面, 有11 組UART…等 ...
技术资料 一种机床电气设备教学器材的智能答题器
本文介绍一款机床电气设备教学器材的智能答题器的设计。该答题器有手动设置、测验、考证三种功能。具有操作简便、造价低廉、自主研发、能够供平时上课、过程检测、考证等各种场合。适合对职业学校的机床电气实训台进行维修或改造。This paper introduces the design of an intelligent answering device for teaching equip ...