摘要
介绍了采用Philips单片机P87C528和A/D芯片TLC2543的多通道12位模拟数据采集系统以及采用比较器LM339的多路开关量检测系统。给出了采用P87C528,TLC2543,LM339的多路数据采集系统的硬件实现方法和相关原理。
This paper introduces the multi-channel 12-bit analog data acquisition system that composed of Philips microcontroller P87C528 and A/D conversion chip TLC2543. It also presents the multi- channel switch signal detection system with comparator LM339. The hardware methods and correlation principles of multi-channel data acquisition system with P87C528, TLC2543, LM339 are described.
出处
《气象水文海洋仪器》
2010年第2期35-40,共6页
Meteorological,Hydrological and Marine Instruments
关键词
自动气象观测系统
传感器
单片机
开关量检测
A/D转换
串口通信
automatic weather observation system
sensor
microcontroller
switch signal detection
A/D conversion
serial communication
