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单片机编程 PCA9539 PCA9539R 16-bit I2C-bu
The PCA9539; PCA9539R is a 24-pin CMOS device that provides 16 bits of GeneralPurpose parallel Input/Output (GPIO) expansion with interrupt and reset forI2C-bus/SMBus applications and was developed to enhance the NXP Semiconductorsfamily of I2C-bus I/O expanders. I/O expanders provide a simple solut ...
单片机编程 PCA9555 16bit I2C-bus and SMBu
The PCA9555 is a 24-pin CMOS device that provides 16 bits of General Purpose parallelInput/Output (GPIO) expansion for I2C-bus/SMBus applications and was developed toenhance the NXP Semiconductors family of I2C-bus I/O expanders. The improvementsinclude higher drive capability, 5 V I/O tolerance, lo ...
单片机编程 PL2303 USB to Serial Adapter
The PL2303 USB to Serial adapter is your smart and convenient accessory forconnecting RS-232 serial devices to your USB-equipped Windows host computer. Itprovides a bridge connection with a standard DB 9-pin male serial port connector inone end and a standard Type-A USB plug connector on the other e ...
DSP编程 基于DSP与FPGA的多视频通道的切换控制
为了扩大监控范围，提高资源利用率，降低系统成本，提出了一种多通道视频切换的解决方案。首先从视频信号分离出行场信号，然后根据行场信号由DSP和FPGA产生控制信号，控制多路视频通道之间的切换，从而实现让一个视频处理器同时监控不同场景。实验结果表明，该方案可以在视频监控告警系统中稳定、可靠地实现视频通道的切换 ...
教程资料 Xilinx UltraScale：新一代架构满足您的新一代架构需求（EN）
中文版详情浏览：http://www.elecfans.com/emb/fpga/20130715324029.html
Xilinx UltraScale:The Next-Generation Architecture for Your Next-Generation Architecture
The Xilinx® UltraScale™ architecture delivers unprecedented levels of integration and capability with ASIC-class ...
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， ...
可编程逻辑 Xilinx UltraScale：新一代架构满足您的新一代架构需求（EN）
中文版详情浏览：http://www.elecfans.com/emb/fpga/20130715324029.html
Xilinx UltraScale:The Next-Generation Architecture for Your Next-Generation Architecture
The Xilinx® UltraScale™ architecture delivers unprecedented levels of integration and capability with ASIC-class ...
可编程逻辑 XAPP708 -133MHz PCI-X到128MB DDR小型DIMM存储器桥
 
The Virtex-4 features, such as the programmable IDELAY and built-in FIFO support, simplifythe bridging of a high-speed, PCI-X core to large amounts of DDR-SDRAM memory. Onechallenge is meeting the PCI-X target initial latency specification. PCI-X Protocol Addendum tothe PCI Local Bus Spec ...
FlashMX/Flex源码 实现flash的饼图投票
实现flash的饼图投票，程序界面模仿Macromedia DevNet Resource Kit 4中一个用Cold Fusion和Flash制作的投票系统Pollster
微处理器开发 ATmega8 taillight circuitA more complex C program that implements different flashing patterns under
ATmega8 taillight circuitA more complex C program that implements different flashing patterns under the control of both the push buttons and potentiometer. Use your imagination to come up with some novel ideas here. Remember however that more marks are to be awarded for the quality of the code than ...