Internal Interrupts are used to respond to asynchronous requests from a certain part of themicrocontroller that needs to be serviced. Each peripheral in the TriCore as well as theBus Control Unit, the Debug Unit, the Peripheral Control Processor (PCP) and the CPUitself can generate an Interrupt Request.So what is an external Interrupt?An external Interrupt is something alike as the internal Interrupt. The difference is that anexternal Interrupt request is caused by an external event. Normally this would be a pulseon Port0 or Port1, but it can be even a signal from the input buffer of the SSC, indicatingthat a service is requested.The User’s Manual does not explain this aspect in detail so this ApNote will explain themost common form of an external Interrupt request. This ApNote will show that there is aneasy way to react on a pulse on Port0 or Port1 and to create with this impulse an InterruptService Request. Later in the second part of the document, you can find hints on how todebounce impulses to enable the use of a simple switch as the input device.Note: You will find additional information on how to setup the Interrupt System in theApNote “First steps through the TriCore Interrupt System” (AP3222xx)1. It would gobeyond the scope of this document to explain this here, but you will find selfexplanatoryexamples later on.
The exacting technological demands created byincreasing bandwidth requirements have given riseto significant advances in FPGA technology thatenable engineers to successfully incorporate highspeedI/O interfaces in their designs. One aspect ofdesign that plays an increasingly important role isthat of the FPGA package. As the interfaces get fasterand wider, choosing the right package has becomeone of the key considerations for the systemdesigner.
The exacting technological demands created byincreasing bandwidth requirements have given riseto significant advances in FPGA technology thatenable engineers to successfully incorporate highspeedI/O interfaces in their designs. One aspect ofdesign that plays an increasingly important role isthat of the FPGA package. As the interfaces get fasterand wider, choosing the right package has becomeone of the key considerations for the systemdesigner.
<Spring in action>原版和代碼,是學習Spring的好資料,本書分為三大部分和兩個附錄，每一部分專注于Spring框架的一個領域：核心層、中間層和Web層。第一部分展示了Spring框架的兩個核心概念：反向控制（Inversion of Control，IoC）和面向切面編程（aspect-Oriented Programming，AOP），以便理解Spring的基礎原理，這些基礎原理在本書各個章節都會用到。第二部分在第1章介紹的IoC和AOP基礎之上，展示了如何將這兩個概念應用到應用系統的中間層。第三部分走出中間層邁向顯示層，在很多J2EE系統中顯示層被稱為Web層。附錄A介紹如何開始自己的Spring應用系統，如何下載Spring以及如何編寫Ant配置文件。本書的每一部分既是建立在前一部分的基礎上，同時也都是獨立存在的，所以，讀者不必從頭開始就可以深入到各個主題。
Dr. Dobb s Journal - Issue 402 @ 2007 November
- Smart Compilers BUT SMART ENOUGH ?
- GRID-ENABLING YOUR APPS
- Building Desktop Apps Using Web Technologies
- JavaScript & aspect-Oriented Programming
- C++ & Reusable Associations
*** A Programmer s MUST-READ magazine... ***
The authors show to identify, design, implement, test, and refactor use-case modules, as well as extend them. They also demonstrate how to design use-case modules with the Unified Modeling Language (UML)emphasizing enhancements made in UML 2.0and how to achieve use-case modularity using aspect technologies, notably aspectJ.
Key topics include
Making the case for use cases and aspects
Capturing and modeling concerns with use cases
Keeping concerns separate with use-case modules
Modeling use-cases slices and aspects using the newest extensions to the UML notation
Applying use cases and aspects in projects
The purpose of this booklet is to give you a quick introduction to VHDL.
This is done by informally describing the facilities provided by the
language, and using examples to illustrate them. This booklet does not
fully describe every aspect of the language. For such fine details, you
should consult the IEEE Standard VHDL Language Reference Manual.
However, be warned: the standard is like a legal document,
Abstract—The contourlet transform is a new two-dimensional
extension of the wavelet transform using multiscale and direc-
tional fi lter banks. The contourlet expansion is composed of
basis images oriented at various directions in multiple scales,
with fl exible aspect ratios. Given this rich set of basis images,
the contourlet transform effectively captures smooth contours
that are the dominant feature in natural images.
In the hit CBS crime show Person of Interest, which debuted in 2011,
the two heroes—one a former Central Intelligence Agency agent and
the other a billionaire technology genius—work together using the
ubiquitous surveillance system in New York City to try to stop violent
crime. It’s referred to by some as a science fiction cop show. But the
use of advanced technology for crime analysis in almost every major
police department in the United States may surpass what’s depicted
on TV crime dramas such as Person of Interest. Real-time crime cen-
ters (RTCCs) are a vital aspect of intelligent policing. Crime analysis
is no longer the stuff of science fiction. It’s real.
