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1.3.3
RESET
The nRST signal of the N9H20K51N is the reset signal input pin, and the required reset effective
signal is a low-level pulse.
In order to stabilize the system robustness, it is recommended to use the following circuitry to
implement reset signal. The NuMaker-emWin-RDK-N9H20 demo board reset circuity and related
passive device parameters as shown in the following figure.
1.3.4
Power-on Setting
The power-on setting value is used to configure the chip to enter a specific state after power-up or
reset. The power-on setting value will be kept in power-on setting control register for reference.
The following is the NuMaker-emWin-RDK-N9H20 demo board power-on setting circuitry and
functions description.
Mar. 26, 2021
NuMaker-emWin-RDK-N9H20
Page 7 of 25
Rev 1.11
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