尽管64位处理器通常都具有足够的数据总线来保证一切运行良好，不过在需要切换成64位数据时，要移动的数据大小依然是双倍的。
Although 64-bit processors typically have wide enough data busses to keep up fairly well, there's still a twofold increase in data to be moved when you switch to 64-bit data.
文中论述4位数据总线点阵式液晶显示器LCD与低功耗单片微处理器80c31的硬件、软件接口方法和应用实例。
The hardware and software interface between 4-bit data bus dot matrix LCD and 80c31 microprocessor is described in this paper.
我们在单片FPGA中完成了6个端口、32位数据总线宽度交叉开关的设计。
We complete the design of crossbar switch with 6 ports and 32 bits data bus on one chip of FPGA.
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