Serialinterfaces can convert parallel data to serial, and vice versa.
串行接口能够将并行数据转化成串行数据，或者反之。
2
The hardware for serialinterfaces is less costly than the hardware for equivalent parallel interfaces.
串行接口的硬件成本更低比等效的硬件并行接口。
3
Microcontroller of 51 series is applied in the hardware and the underwater buoy communicates with the receiving and processing system of the land station by RS-485 serialinterfaces.