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教程资料 XAPP228 -Virtex器件内的四端口存储器
This application note describes how the existing dual-port block memories in the Spartan™-IIand Virtex™ families can be used as Quad-Port memories. This essentially involves a dataaccess time (halved) versus functionality (doubled) trade-off. The overall bandwidth of the blockmemory in ...
可编程逻辑 XAPP228 -Virtex器件内的四端口存储器
This application note describes how the existing dual-port block memories in the Spartan™-IIand Virtex™ families can be used as Quad-Port memories. This essentially involves a dataaccess time (halved) versus functionality (doubled) trade-off. The overall bandwidth of the blockmemory in ...
教程 photoshop入门教程
photoshop软件（本例中使用CS5版本，当然各版本界面都大同小异）
界面篇
1
首先我们打开photoshop软件，界面就如下图所示了：
2
...
教程 photoshop软件
photoshop软件（本例中使用CS5版本，当然各版本界面都大同小异）
界面篇
1
首先我们打开photoshop软件，界面就如下图所示了：
2
...
模拟电子 视频差分放大器带来低电压应用的多功能性
 
The LT®6552 is a specialized dual-differencing 75MHzoperational amplifier ideal for rejecting common modenoise as a video line receiver. The input pairs are designedto operate with equal but opposite large-signal differencesand provide exceptional high frequency commonmode rejection ( ...
加密解密 实现IDEA加密算法与解密算法 IDEA(International Data Encryption Algorithm)是瑞士的James Massey
实现IDEA加密算法与解密算法
IDEA(International Data Encryption Algorithm)是瑞士的James Massey，Xuejia Lai等人提出的加密算法，在密码学中属于数据块加密算法(Block Cipher)类。IDEA使用长度为128bit的密钥，数据块大小为64bit。从理论上讲，IDEA属于“强”加密算法，至今还没有出现对该算法的有效攻击算法。 ...
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 DUAL DIGITAL ISOLATORS
The ISO7220 and ISO7221 are dual-channel digital isolators. To facilitate PCB layout, the channels are orientedin the same direction in the ISO7220 and in opposite directions in the ISO7221. These devices have a logic inputand output buffer separated by TI’s silicon-dioxide (SiO2) isolation barrier ...
VHDL/FPGA/Verilog // -*- Mode: Verilog -*- // Filename : wb_master.v // Description : Wishbone Master Behavorial //
// -*- Mode: Verilog -*-
// Filename : wb_master.v
// Description : Wishbone Master Behavorial
// Author : Winefred Washington
// Created On : 2002 12 24
// Last Modified By: .
// Last Modified On: .
// Update Count : 0
// Status : Unknown, Use with caution!
// Description Specification
// General ...
Linux/Unix编程 fwknop stands for "Firewall Knock Operator" and is an upcoming piece of software that will be releas
fwknop stands for "Firewall Knock Operator" and is an upcoming piece of software that will be released at the DEFCON 12 conference in July, 2004 in Las Vegas.
fwknop implements network access controls (via iptables) based on a flexible port knocking mini-language, but with a twist it combines port ...