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在该文中,首先介绍了直流电机控制器测试系统的开发背景,给出了测试系统的组成及设计方案,然后分硬件和软件两个环节详细阐述了直流电机控制器测试系统的实现过程.在硬件方面,设计并完成了基于MC68HC908GP32单片机的硬件电路板并调试成功;在软件方面,文中给出了MC68HC908GP32软件设计和PC方软件设计的过程,软件设计采用模块化设计方法,提高了程序的可读性、易测试性和移植性.“,”This paper first tells the developing background of the DCMTS and provides the composition and design project of the testing system.And on this basis,it elaborates the implementation process of DCMTS on hardware and software respectively. As for the hardware, a hardware circuit based on MC69HC908GP32 SCM is designed and tested successfully;and as for the software, the paper presents the design of MCU software and the designing procedure of the PC software. The modularized designing method is adopted for the software design and in this way the readability, testability and transplantation are increased.