摘要
阐述HJQ98型电子式出租汽车计价器研制中的一些体会。包括保证计量精度的软硬件设计思想,三种I2C串行总线器件的应用实例,20位数码管显示电路的设计技巧,单片开关式集成电压调整器的使用方法,以及抗干扰电路的介绍等。
This paper introduces some experience in design of electronic taximeter. It include the software and hardware design idea for measure precision, three example of applying I2C bus IC, the design skill of 20 digit LED display circuit, a way of using single chip switch voltage regulator, and a filter circuit of anti - noise.
出处
《仪表技术》
2000年第2期20-23,共4页
Instrumentation Technology