介绍了嵌入式MP 3播放器的设计，并给出了系统结构图、硬件电路图、软件流程图以及软件程序的编写。
This paper completes the design of embedded MP3 player, provide the system structure figure, the circuit diagram of the hardware, software flow chart and compile programme.
在本次论文中，给出了控制系统的主电路图及软件设计。
At the present This thesis has the system's scheme of hardware main circuit diagram and software design.
给出了键盘显示系统的电路图，介绍了一键多功能的键盘设计方法。
The circuit diagram for keyboard and displaying system is given, and the design method for multi-function by one key is introduced.
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