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井下电视系统是一种用来测量和定位水井故障的设备，检修人员可通过该系统得到井下图像信息和测量深度值。介绍了8098单片机在井下电视系统的应用原理，详细给出了深度传感器的数字接口电路，分析了该电路对运行中出现的抖动具有良好的抑制能力，阐述了单片机部分与字符显示板之间共享RAM的访问方式和控制策略。
Downhole television system is a device used to measure and locate fault wells, maintenance personnel can get downhole image information and depth of measurement values. The application principle of 8098 singlechip in downhole TV system is introduced. The digital interface circuit of depth sensor is given in detail. The circuit has good ability to restrain the jitter occurring in operation. The paper also expounds the share between the single chip microcomputer and character display board RAM access and control strategy.