说明：  这是一本关于Intel 80C51 以及广大的51 系列单片机的书这本书介绍给读者一些 新的技术使你的8051 工程和开发过程变得简单请注意这本书的目的可不是教你各种 8051 嵌入式系统的解决方法
(This is a book about Intel 80C51 microcontroller and a vast series of 51 books this book introduce readers to some of the new technology to make your 8051 project and the development process easier Please note that this is not the purpose of this book teach you a variety of 8051 Embedded System Solution)