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为解决I/O口数据传输的速率问题,提出SPI接口的单线应用方案,分析该方法的可行性,并在单片机ADμC812与射频无线通信模块nRF2401间的接口设计中得到了应用,验证该方案的有效性。该方案具有电路设计简单、数据传输速率高等优点。
In order to solve the problem of data transmission rate of I / O port, single-wire application scheme of SPI interface is proposed and analyzed. The feasibility of this method is analyzed and applied in the interface design of ADμC812 and RF communication module nRF2401. Effectiveness. The scheme has the advantages of simple circuit design, high data transmission rate.