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    • 7. 发明公开
    • Portable device with video output
    • Tragbare Vorrichtung mit Videoausgabe
    • EP1983756A1
    • 2008-10-22
    • EP07300961.5
    • 2007-04-18
    • ST MICROELECTRONICS S.A.
    • Longchambon, Jean-ClaudeNivet, JeanDutoit, Denis
    • H04N7/24H04N7/26H04B1/38H04N7/14H04M1/725
    • H04N21/23602H04M1/72527H04N21/4122H04N21/4126H04N21/41407H04N21/4342H04N21/43632H04N21/4402H04N2201/0034H04N2201/0065H04N2201/0096
    • The invention concerns circuitry for providing an output video signal from a portable device to an external display (318), the circuitry including a processor block (302) with an image processor, and a video encoder block (304) with a video encoder (320) for providing the output video signal to the external display, the processor block and the video encoder block being connected to each other by a serial interface (310, 316, 314, 318) arranged to provide image date from the processor block to the video encoder, the serial interface having at least one data lane (316) and at least one first clock lane (318), wherein the video encoder block includes a first input (316b) connected to the at least one data lane for receiving image data and a second input (318b) connected to the at least one first clock lane for receiving a first clock signal, and wherein at least one of the video encoder block and the processor block has a third input (316a) arranged to receive a control signal for controlling data flow over the serial interface.
    • 本发明涉及用于从便携式设备向外部显示器(318)提供输出视频信号的电路,该电路包括具有图像处理器的处理器块(302)和具有视频编码器(320)的视频编码器块(304) ),用于将输出视频信号提供给外部显示器,处理器块和视频编码器块通过串行接口(310,316,314,318)彼此连接,串行接口(310,316,314,318)被布置为从处理器块向视频提供图像日期 编码器,所述串行接口具有至少一个数据通道(316)和至少一个第一时钟通道(318),其中所述视频编码器块包括连接到所述至少一个数据通道以用于接收图像数据的第一输入(316b)和 连接到所述至少一个第一时钟通道以接收第一时钟信号的第二输入(318b),并且其中所述视频编码器块和所述处理器块中的至少一个具有第三输入(316a),所述第三输入(316a)被布置为接收用于 控制 串行接口上​​的数据流。