With the coming of post PC era and the strong development of 3C technologies, embedded systems have been applied in many fields, such as customer electronics, medical instruments and industrial control, which promotes greatly social productivity, improves people's living quality and makes the life style changed. As a kind of special application-oriented computer system, embedded systems have different forms for different application fields, where they can be realized as a single product or a system component of a large system. It is the same in fractionized fields of industrial control, where embedded systems are implemented as control sub-system as part of a complex system or a universal commu -nication and control terminal. The embedded industrial computer we discussed here is a kind of portable terminal for industrial spots.Nowadays, the control of industrial spots is becoming more and more complex and dispersed, so the devices need to be more and more... |