摘要
本文将讲述SHJ-40型数字压力表的基本结构和工作原理以及应用程序,该仪表具有轻、小、廉等特点。采用单片机控制,其芯片是由ATMEL公司生产的AT89C2051,通过该芯片将二进制信息转化为BCD码,输出到液晶显示器,显示其正确的压力值。通过本文我们不但可以对该表有深入的了解,而且还可以对该仪表中的各芯片有所了解。
This paper is focused on basic construction, working theory and application programs of SHJ- 40 digital pressured apparatus controlled by single - chip computer, which is light, small and cheap and so on. This chip is AT89C2051 produced by ATMEL Company. The chip converts binary into BCD code, and the information puts in LCD, displays the correct data. From the paper, people can learn of not only the apparatus, but also all kinds of the chips in it.
出处
《北京城市学院学报》
2003年第2期74-78,共5页
Journal of Beijing City University
