MBF300支持3种通信接口：8位微处理器总线接口（microprocessor bus interface）、集成的USB全速接口（Integrated USB Full-Speed Interface）和集成SPI接口（Integrated Serial Peripheral Interface）。
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The hardware and software interface between 4-bit data bus dot matrix LCD and 80c31 microprocessor is described in this paper.
文中论述4位数据总线点阵式液晶显示器LCD与低功耗单片微处理器80c31的硬件、软件接口方法和应用实例。
Meanwhile, FS9704 has the microprocessor interface, and can connect with the microprocessor through interface bus to control FS9704 action.
同时，FS9704还具有微处理器接口，可以通过接口总线与微处理器进行连接，控制FS9704的动作。
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