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一、概述近十年来,国内移动通信获得迅速发展,移动通信装备的国产化取得了许多成绩,不少设备采用了单片微机作为控制部件,使得设备技术性能、可靠性和小型化程度得到提高。本文就国产 YDH144型无线拨号电话系统中应用单片微机8031的情况作简要介绍。YDH144-4无线拨号电话系统由无线基站、控制中心和无线属台等部分组成。方框图如图1所示。
I. Overview Over the past ten years, the rapid development of China’s mobile communications has achieved a lot of achievements in the localization of mobile communications equipment. Many devices have adopted single-chip microcomputer as a control component to improve the technical performance, reliability and miniaturization of equipment . In this paper, the domestic YDH144-type wireless dial-up telephone system in the application of single-chip 8031 case brief. YDH144-4 wireless dial-up telephone system consists of wireless base stations, control centers and wireless platform and other components. Block diagram shown in Figure 1.