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结合实际研制开发工作介绍了多功能语音电子电话号码簿的性能与特点，给出了该系统的软、硬件设计方案和系统组成，讨论了MCU与DSP、DSP与CODEC的接口技术以及整个系统的供电技术。
Combined with the actual research and development work, this paper introduces the performance and characteristics of the multi-function voice electronic telephone directory, gives the software and hardware design scheme and system composition of the system, discusses the interface between MCU and DSP, DSP and CODEC and the whole system Power supply technology.