河道流量水位测验系统的单片机接口技术  

On MCU Interface Technique in Water-Level Test System of River Discharge

作　　者：肖忠模[1] 郑尚士[1] 

机构地区：[1]宜春学院物理系,江西宜春336000

出　　处：《南昌水专学报》2004年第2期28-30,41,共4页Journal of Nanchang College of Water Conservancy and Hydroelectric Power

摘　　要：叙述了以ATMEL89单片机为核心的流量水位测验系统的接口技术,接口电路以多路ADC0809为核心,尽量保留现有的设备结构和资源,利用ADC的多路输入优势,有效地将偏角信号、流速信号、水位信号与单片机连接,电路简单、成本低廉、抗干扰能力强.Interface technique in water-level test system is introduced whic h ATMEL89 plays a key role in,interface circuit based on multi-circuit tried to r etain existing equipment structure and resources and untilize the input superior ity of ADC's multi-circuit to connect deviated angle signal,velocity and water-level signal with MCU effectively.The scheme possesses some advantages such as simple circuit,low cost and strong anti-interference.

关 键 词：单片机 接口技术 ADC 测验系统 

分 类 号：TP274.4[自动化与计算机技术—检测技术与自动化装置]