干涉式非接触眼压计中AT89c51控制系统  

AT89c51 Micro Control System of the Non-Contact lntraocular Pressure Measurement Based on Laser Interference

作　　者：谢颂贤[1] 王林斗[1] 李玉峰[1] 祝升翔[1] 

机构地区：[1]天津大学

出　　处：《电子测量技术》2004年第5期35-36,共2页Electronic Measurement Technology

摘　　要：文中详细介绍干涉式非接触眼压计中的AT89c51单片机控制系统。AT89c51单片机以串行控制方式驱动步进电机。由定时器中断控制电机运行速度,同时对弱光检测单元获得的脉冲信号进行计数并显示。In this paper,the AT89c51 micro control system of the non-contact intraocular pressure measurement based on laser interference is introduced in detail.The AT89c51 microcontroller is used to drive the stepping motor in serial control mode,control the velocity of the motor through interrupt of Timer,count and display pulses from the faint-optical signal detection system.

关 键 词：AT89C51单片机 中断控制 控制系统 显示 运行速度 定时器 串行控制 非接触眼压计 制方 计数 

分 类 号：TN792[电子电信—电路与系统] R770[医药卫生—眼科]