Application of Serial Real Time and Chinese LCD in Intelligent Pressure Gauge Based on C51
The traditional recording method is sampling data in specified time. It can only record sampling data and can not record time. This paper describes the design of serial real time circuit DS1302 and hardware configuration of intelligent pressure gauge. Initialization program, reading program and writing program of DS1302 are illustrated. The address order byte and definition of register address are analyzed. Reading and writing time sequence of real time is described. Serial interface real time can be displayed with LCD. The practical application of serial real time DS1302 in the intelligent instrument and display menu are studied. Compared with parallel chip, serial chip has small volume. Only three pins are connected to the single chip microcomputer. The program is written out by C51. This is the new trend that the program of intelligent instrument is realized based on C51.
AI Hong
Department of Computer and Automation, Beijing Institute of Machinery, Beijing, 100085 Peoples Republic of China,
国际会议
北京
英文
2007-08-05（万方平台首次上网日期，不代表论文的发表时间）