寄存器是处理器内部数据存取的中枢，负责保存中间变量。
The instruction order register is the center of accessing and handling of inner data from the processor, and in charge of keep the intermediate computing result (viz. Variable).
输出数据通过串行或并行端口从输出寄存器中存取，这可实现与现代微控制器和数字信号处理器的轻松、高速接口。
The output data is accessed from the output register through a serial or parallel port. This offers easy, high speed interfacing to modern microcontrollers and digital signal processors.
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