摘要
介绍了由工控机和AT89S52通过μPSD3251F构成的两级485分布式系统结构框图,并说明了该系统设计的特色功能,阐述了工控机与μPSD3251F之间,μPSD3251F与AT89S52之间的通信协议和流程图,给出了μPSD3251F和AT89S52串行通信的初始化程序.
This text introduces two graded 485 network system structure with industrial control computer,AT89S52 and μPSD3251F, and explains characteristic functions of the system.And then it introduces communication protocols and flow charts of industrial control computer & μPSD3251 and μPSD3251 & AT89S52.At last it gives serial communication initialized program of μPSD3251F and AT89S52.;
出处
《中原工学院学报》
CAS
2005年第1期37-39,43,共4页
Journal of Zhongyuan University of Technology
