可在线调试的单片机温度测量仪实验系.pdf

8 1 53 高惠芳, 崔佳冬, 杨 容, 黄继业 ( , 3100 18 ) : 介绍了一种可在线调试的单片机温度测量系统, 由温度传感器采集温度信号, 经过 A /D 转换器 TLC549CD 芯片把模 拟量转换成数字量, 送给 5 1 系列的单片机 P89V 51RD2, 并经过数码管显示温度值该系统在调试时, 可以在系统调试, 不需仿真器和编程器该系统可用于单片机的课程设计, 也可作为温度测量仪使用, 可有效降低实验成本以及系统开发成 本 : 温度测量仪; 热敏电阻; 单片机; 课程设计 : T P36 81 : B : 1672- 4550 ( 2010) 01- 0053- 04 D esign of a T em peratureM easurem ent Instrum ent U sing Singlechip M icrocontroller Insystem P rogramm ing GAO H uiang, CU I J iadong, YANG Cu irong, H uang Jiye ( C ollege o E lectron ic and In orm at ion, H angzhou E lectron ic S cien ce and T echnology U n ivers ity, H angzh ou 3100 18, Ch ina) A bstrac t: A temperature measurem ent system u sing S ing leCh ip M icrocontro ller( SCM ) InSystem P rog ramm ing is presentedThe tem perature s igna l is g athe red rom tem perature sensor The analog quality is converted in to d id ital qua lity u sing A /D converte r chip T LC549CD, w h ich is sended to 5 1 ser ies SCM P89V 51RD2 and the temperatu re va lue is displayed at LEDT his system can be u sed in course des ign o SCM and be u sed o r m easurement o tem pe ratureThe sy stem can be InSy stem P rogramm ing( ISP ) and debugg ing w ithout us ing a emu lator and a programm erTh is system can be u sed in course des ign o SCM and be u sed o r temperature m easure m entThe project can reduce e ective ly the cost o exper mi ent and deve lopm ent o the system K ey w ord s: temperatu re m easure instrum ent; therm istor; SCM; course design , , 1 , ,