[ARM64 ATF series 3.1 -- the relationship between cpu reset, dereset and reset]

Overview

In the ARM CPU architecture, reset (Reset), deassert reset (Deassert Reset) and the Reset signal are closely related concepts, involving the process of starting, initializing and restoring the processor to a known state. The following is a detailed description of the relationship between the three:

Reset signal name

In different ARM CPU architectures and system designs, the reset signal may have different names. The standard signal is usually called nRESET, where "n" means that the signal is active low (i.e., when the signal is low, the reset action is activated).

Reset

Reset is an operation usually initiated by the Reset signal

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Origin blog.csdn.net/sinat_32960911/article/details/134793135
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