The paper gives DSP chip peripheral interface circuits, such as AD interface circuits, display interface circuit.
给出DSP芯片的外围接口电路, 如AD接口电路, 显示接口电路等.
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The serial peripheral interface ( SPI ) is a standard communication protocol, which is used in many fields.
串行 SPI 通信协议是一种标准的通信协议, 很多场合下都是采用这种机制.
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