一两句说不清,推荐两本书给你看
1 《C and 8051》
内容简介 :This guide to programming the 8051 is unique in that it uses the three major programming languages, details the specific multi-tasking features of the 8051, and emphasizes the overall design focus that must go along with good software development. KEY TOPICS: "It also teaches languages with the emphasis on embedded hardware rather than data processing, and emphasizes the thinking that goes into multi-tasking. For design engineers, product development engineers and senior engineers involved in software development or the development of dedicated programs for embedded control products.
下载地址 :
http://rapidshare.com/files/53546268/C_and_the_8051.pdf2 《Embedded System Design Using 8051 Microcontrollers》
内容简介: Explains the developments in microcontroller technology and provides lucid instructions on its many and varied applications, focusing on the popular 8-bit microcontroller, the 8051, and the 83C552.
下载地址
http://rapidlibrary.com/download_file_i.php?qq=embedded%20systems%20design%20with%208051&file=429427&desc=Embedded+System+Design+Using+8051+Microcontrollers+.pdf参考资料:各种搜索引擎