摘要
本文叙述了基于单片机P89LPc932的温度数显表的设计,给出了硬件结构图和数据流程图。该温度数显表具有RS485和CAN总线接口,可以外接多种温度传感器,具有两路温度测量和显示,并可以进行LED温度报警指示和继电器报警输出。
This paper presents the design of temperature display instrument based on MCU P89LPC932. The designed hardware structure diagram and data flowchart of this instrument is given. This designed instrument with RS485 and CAN bus interface has two temperature 8-segment LED displays and four LED temperature alarm in-dictors and corresponding four relay outputs.
出处
《中国仪器仪表》
2004年第8期7-9,共3页
China Instrumentation
