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可编程逻辑 PLD对FPGA数据加密
SRAM-based FPGAs are non-volatile devices. Upon powerup, They are required to be programmed from an external source. This procedure allows anyone to easily monitor the bit-stream, and clone the device. The problem then becomes how can you effectively protect your intellectual property from others ...
操作系统开发 *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ** RELEASE NOTES *** *** *
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1) RELEASE NOTES:
--- --- ----
The release notes are now provided in PDF format in the file:
\SOFTWARE\uCOS-II\DOC\RelV251.PDF
2) ...
系统设计方案 This text surrounds the development of the electric power SCADA system exactly, aiming at the presen
This text surrounds the development of the electric power SCADA system exactly, aiming at the present condition of the our country electric power charged barbed wire net currently, according to the oneself at the e- lectric power protect the profession after the electricity in seven years of develop ...
通讯编程文档 pb datawindow 技巧 例子： 使DataWindow列只能追加不能修改 如何使DataWindow中的数据只能追加新记录而不能修改
pb datawindow 技巧
例子：
使DataWindow列只能追加不能修改
如何使DataWindow中的数据只能追加新记录而不能修改，利用 Column 的 Protect 属性可以很方便的做到这一点，方法如下：
将每一列的 Protect 属性设置为：
If( IsRowNew(), 0, 1) )
在 PowerScript 中可以动态修改 Protect 属性：
dw_1.Modify("column_name_h ...
其他 If you are using Internet Explorer on Windows XP Service Pack 2, there is a security restriction dis
If you are using Internet Explorer on Windows XP Service Pack 2, there is a security restriction disallowing scripts to run in files opened on your local machine. When you first try to run the examples, you will most likely get a message saying, "To help protect your security, Internet Explorer has ...
其他 The W78E58B is an 8-bit microcontroller which has an in-system programmable Flash EPROM for firmwa
The W78E58B is an 8-bit microcontroller which has an in-system programmable Flash EPROM for
firmware updating. The instruction set of the W78E58B is fully compatible with the standard 8052. The
W78E58B contains a 32K bytes of main ROM and a 4K bytes of auxiliary ROM which allows the
contents of t ...
家庭/个人应用 The STi7141 is a highly integrated SoC (systemon- chip) designed to meet the demanding needs of th
The STi7141 is a highly integrated SoC (systemon-
chip) designed to meet the demanding needs of
the interactive cable set top box market place. The
STi7141 integrates all the major system functions
into a single device, and provides world leading,
multi-layer, advanced security technologies to
prote ...
书籍 Electrostatic Discharge Protection
Electrostatic discharge (ESD) is one of the most prevalent threats to the reliability
of electronic components. It is an event in which a finite amount of charge is trans-
ferred from one object (i.e., human body) to another (i.e., microchip). This process
can result in a very high current passing t ...
书籍 Programming Your Hom
Welcome to the exciting, empowering world of home automation! If you have
ever wanted your home to do more than just protect you against the outside
elements and want to interface it to the digital domain, this book will show
you how. By demonstrating several easy-to-build projects, you will be able ...
书籍 Smart Grid Security
The field of cyber security, or information security, or information
assurance, depending on your preference, is an interdisciplinary one.
It is part computer science, part statistics, part psychology, part law,
and a part of many other fields. Moreover, any cyber security practi-
tioner needs to kn ...