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STEVAL-MKI138V1演示板

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    奋斗
    2014-7-16 09:10
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    [LV.8]以坛为家I

    发表于 2014-3-3 15:29:25 | 显示全部楼层 |阅读模式
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    STEVAL-MKI138V1演示板承载MP34DT01(顶部端口数字麦克风),工作作为一个传感器和STM32F107RC微控制器,其功能是作为一个音频解码器。STEVAL-MKI138V1的目的是提供一种数字MEMS麦克风输出的解码和流的示范。The purpose of STEVAL-MKI138V1 is to provide a demonstration of decoding and streaming of digital MEMS microphone outputs.The STEVAL-MKI138V1 demonstration board hosts the MP34DT01 (top-port digital microphone), working as a sensor and the STM32F107RC microcontroller, which functions as an audio decoder.These microphones are analog-to-digital transducers. They are capable of sensing sound pressure and converting it to a digital signal using the PDM technique.The STM32 microcontroller decodes the PDM signals from the microphones and streams the audio via USB.The STEVAL-MKI138V1 is a sound card automatically recognized by the PC as an audio device. Connection is made through a USB cable, which both powers the board and streams the audio collected from the microphones to the PC.

    STEVAL-MKI138V1 Brief.pdf

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    MP34DT01.pdf

    878.33 KB, 下载次数: 0

    STM32F105xx/7xx.pdf

    1.83 MB, 下载次数: 0

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