精选优质文档-倾情为你奉上电子秤设计Electronic Scale Design -XXX(常州工学院计算机科学与技术系，江苏常州，)摘要：基于微处理器的电子秤系统设计采用以80x86作为核心控制器，外围附有称重传感器（即电位器）,A/D转换电路,键盘、LED显示电路，以8253、8255和8259芯片作为辅助设计等构成智能电子秤，从而实现电子称重系统的各种控制功能。关键词：80x86 8253芯片 8255芯片 8259芯片 A/D转换Abstract：This system is mainly controlled by the microprocessor 80x86，the periphery is consists of weighing Sensor(potentiometer)，A/D converter circuit，the circuit of LED and keyboard, With chip 8253, chip 8255 and chip 8259 as assistant design ,all of
