上电复位属于芯片 内部复位。

Power-on reset the internal chip is reset.

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当定时器计数值达到0(超时)，内部复位信号有效。

Internal reset signal is activated when the timer count value reaches 0 (time-out).

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在将内部复位信号加到CPU的同时，提高由DRAM控制器所生成的用于刷新DRAM中数据的刷新信号的速率。

While the internal reset signal is being applied to the CPU, the rate of a refresh signal being generated by a DRAM controller for refreshing data in DRAM is increased.

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