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单片机编程 PCA9674 PCA9674A Remote 8-bit
The PCA9674/74A is a drop-in upgrade for the PCF8574/74A providing higher Fast-modePlus I2C-bus speeds (1 MHz versus 400 kHz) so that the output can support PWMdimming of LEDs, higher I2C-bus drive (30 mA versus 3 mA) so that many more devicescan be on the bus without the need for bus buffers, highe ...
单片机编程 MPC106 PCI Bridge/Memory Contr
In this document, the term Ô60xÕ is used to denote a 32-bit microprocessor from the PowerPC architecture family that conforms to the bus interface of the PowerPC 601ª, PowerPC 603ª, or PowerPC 604 microprocessors. Note that this does not include the PowerPC 602ª microproc ...
单片机编程 用单片机配置FPGA—PLD设计技巧
用单片机配置FPGA—PLD设计技巧
Configuration/Program Method for Altera Device
Configure the FLEX Device
You can use any Micro-Controller to configure the FLEX device–the main idea is clocking in ONE BITof configuration data per CLOCK–start from the BIT 0􀂄The total Configuration time–e.g. ...
可编程逻辑 磁芯电感器的谐波失真分析
磁芯电感器的谐波失真分析 摘  要：简述了改进铁氧体软磁材料比损耗系数和磁滞常数ηB，从而降低总谐波失真THD的历史过程，分析了诸多因数对谐波测量的影响，提出了磁心性能的调控方向。 关键词：比损耗系数， 磁滞常数ηB ，直流偏置特性DC-Bias，总谐波失真THD  Analysis on THD of the fer rite co res u ...
工控技术 xilinx FPGAs在工业中的应用
The revolution of automation on factory floors is a key driver for the seemingly insatiable demand for higher productivity， lower total cost of ownership，and high safety. As a result， industrial applications drive an insatiable demand of higher data bandwidth and higher system-level perform ...
测试测量 集合式直流电能表（小功率的）
集合式直流电能表（小功率的） 特点： 精确度0.05%满刻度±1位数 可同时量测与显示/直流电压/电流/瓦特（千瓦）/瓦特小时（千瓦小时） 电压输入（DC0-99.99V/0-600.0V）自动变档功能 显示范围0-9999(电流/瓦特/千瓦),0至99999999(八位數瓦特小时)可任意规划 数位RS-485 界面 (Optional) 主要规格： 辅助电源消耗功率 ...
测试测量 LT5528 WCDMA ACPR和AltCPR测量
 
ACPR (adjacent channel power ratio), AltCPR (alternatechannel power ratio), and noise are important performancemetrics for digital communication systems thatuse, for example, WCDMA (wideband code division multipleaccess) modulation. ACPR and AltCPR are bothmeasures of spectral regrowth. T ...
书籍源码 Tug of War(A tug of war is to be arranged at the local office picnic. For the tug of war, the picnic
Tug of War(A tug of war is to be arranged at the local office picnic. For the tug of war, the picnickers must be divided into two teams. Each person must be on one team or the other the number of people on the two teams must not differ by more than 1 the total weight of the people on each team shoul ...
Linux/Unix编程 GForge 3.0 协作开发平台 支持CVS, mailing lists, bug tracking, message boards/forums, task management, perman
GForge 3.0 协作开发平台 支持CVS, mailing lists, bug tracking, message boards/forums, task management, permanent file archival, 和 total web-based administration.
压缩解压 In each step the LZSS algorithm sends either a character or a <position, length> pair. Among t
In each step the LZSS algorithm sends either a character or a <position, length> pair. Among these, perhaps character "e" appears more frequently than "x", and a <position, length> pair of length 3 might be commoner than one of length 18, say. Thus, if we encode the more frequent in fewer bits and t ...