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    • 6. 发明授权
    • Microprocessor and mobile communication terminal
    • 微处理器和移动通信终端
    • US07251500B2
    • 2007-07-31
    • US10806375
    • 2004-03-23
    • Tetsuya NakagawaKatsuhiko IshidaAkira Naito
    • Tetsuya NakagawaKatsuhiko IshidaAkira Naito
    • H04M1/00H04N7/14
    • H04N7/142H04N2007/145
    • A microprocessor used in a pair with a baseband processor for performing the baseband processing, is provided with a central processing unit for calculation processing, a counter capable of measuring time in the calculation processing by the central processing unit, and an interface which enables the baseband processor to read the counter. By making the baseband processor read the counter, the processing by the baseband processor is synchronized with the processing by the central processing unit in the microprocessor. Consequently, it is possible to establish synchronization between video and voice when the video processing and the voice processing are separately performed by different processors.
    • 与用于执行基带处理的基带处理器成对配置的微处理器设置有用于计算处理的中央处理单元,能够测量中央处理单元的计算处理中的时间的计数器和能够使基带 处理器读取计数器。 通过使基带处理器读取计数器,基带处理器的处理与微处理器中的中央处理单元的处理同步。 因此,当视频处理和语音处理由不同的处理器分别执行时,可以建立视频和语音之间的同步。