The Serial peripheral Interface is a sort of technology with high speed and efficiency, which makes the SPI device convenient in data communication.
SPI接口技术是一种高速，高效的串行接口技术，因而SPI设备在数据通信中应用十分方便。
The functions of this system are controlling the whole system and other subunits by UART, SPI and other communication methods.
设备的主要功能是通过SPI、UART、以太网等通信接口，对整个分选检测过程以及各子工作系统进行控制和异常处理。
A dual communication interface with USB and SPI is designed to make the system more scalable.
USB和SPI双通信接口的设计使系统更具有可扩展性。
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