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STANDARD 674条

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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 ...

/dl/24317.html

标签： PoE 高功率 PD接口集成

上传时间： 2014-12-24

上传用户：jasson5678

DN458降压转换器简化低电压设计

  Many system designers need an easy way to producea negative 3.3V power supply. In systems that alreadyhave a transformer, one option is to swap out the existingtransformer with one that has an additional secondarywinding. The problem with this solution is that manysystems now use transfor ...

/dl/24335.html

标签： 458 DN 降压转换器低电压

上传时间： 2013-10-09

上传用户：Jerry_Chow

如何制作使用μModule降压稳压器的输入输出电压

  Linear Technology’s DC/DC step-down μModule®regulators are complete switchmode power supplies in asurface-mount package. They include the DC/DC controller,inductor, power switches and supporting circuitry.These highly integrated regulators also provide an easysolution for app ...

/dl/24337.html

标签： Module 如何制作降压稳压器输入输出

上传时间： 2013-10-22

上传用户：ztj182002

P89LPC912英文资料

The P89LPC912/913/914 are single-chip microcontrollers in low-cost 14-pin packages, based on a high performance processor architecture that executes instructions in two to four clocks, six times the rate of standard 80C51 devices. Many system level functions have been incorporated into the P89LPC912 ...

/dl/28732.html

标签： P89 LPC 912 89

上传时间： 2013-10-12

上传用户：司令部正军级

AVR常用库函数介绍

目录： 1. Character Type Functions －字符类型函数 2. Standard C Input/Output Functions －标准输入输出函数 3. Standard Library Functions －标准库和内存分配函数 4. Mathematical Functions －数学函数 5. String Functions －字符串函数 6. BCD Conversion Functions － BCD 转换函数 7. Memory Acc ...

/dl/29106.html

标签： AVR 库函数

上传时间： 2013-10-22

上传用户：归海惜雪

基于CH341A的USB串口通讯设计

为解决当前计算机串行通讯接口只有USB，难以满足旧型号设备或某些单片机要求RS232通讯的问题，设计出两款RS232/USB电路。采用CH341A与MAX223集成电路芯片构建标准9线RS232/USB通用接口转换器，无需编程。采用CH341A与PIC16F877A构建单片机与计算机之间的USB通讯电路，软件遵循RS232通讯协议，硬件进行电平转换。实际使用表 ...

/dl/29127.html

标签： 341A 341 USB CH

上传时间： 2013-11-03

上传用户：siying

基于CAN总线的综自通讯规约设计

介绍一种基于CAN总线的牵引变电站自动化系统通讯规约的设计，CAN通讯规约采用标准帧，报文采用主动发送和发送查询两种处理形式。该设计在城市轻轨与地铁牵引变电站中的应用表明：可实现间隔层和通讯处理层的数据快速、可靠的交换，提高牵引变电站的安全性和稳定性。 Abstract:  This paper firstly presents a kind ...

/dl/29194.html

标签： CAN 总线通讯规约

上传时间： 2013-11-07

上传用户：bs2005

FET430PIF自制资料

The MSP-FET430PIF is a Parallel Port interface (does not include target board) that is used to program and debug MSP430 FET tools and test boards through the JTAG interface. This interface is included in our FET tools, but sold without the development board. This interface uses a Parallel PC Port to ...

/dl/29899.html

标签： FET 430 PIF

上传时间： 2013-10-26

上传用户：fengweihao158@163.com

MPLAB C30用户指南(英文)

MPLAB C30用户指南(英文) HIGHLIGHTSThe information covered in this chapter is as follows:• About this Guide• Recommended Reading• Troubleshooting• The Microchip Web Site• Development Systems Customer Notification Service• Customer Support Document LayoutThe documen ...

/dl/30382.html

标签： MPLAB C30 用户英文

上传时间： 2013-10-21

上传用户：13925096126

FREERTOS的官方移植文档

FeaturesThe following standard features are provided.• Choice of RTOS scheduling policy1. Pre-emptive:Always runs the highest available task. Tasks of identical priorityshare CPU time (fully pre-emptive with round robin time slicing).2. Cooperative:Context switches only occur if a task blocks, ...

/dl/30820.html

标签： FREERTOS 移植文档

上传时间： 2013-10-13

上传用户：13162218709

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STANDARD 674条

按分类查找:

高功率PoE PD接口与集成反激式控制器

DN458降压转换器简化低电压设计

如何制作使用μModule降压稳压器的输入输出电压

P89LPC912英文资料

AVR常用库函数介绍

基于CH341A的USB串口通讯设计

基于CAN总线的综自通讯规约设计

FET430PIF自制资料

MPLAB C30用户指南(英文)

FREERTOS的官方移植文档

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