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.
对于流水线型的超大规模微处理器，通常采用多端口的寄存器堆暂存中间数据，这些读写操作势必增加寄存器堆的芯片面积和功耗。
A multi-ported register file is often required by the superscalar microprocessor to handle multiple simultaneous loads and stores, which cause large increase in area and power consumption.
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