HE910 Hardware User Guide
1VV0300925 Rev. 32 Page 38 of 111 2019-11-25
A typical circuit is the following:
Figure 4-4 Tipical circuit 1
For example:
Let us assume you need to drive the HW_SHUTDOWN* pad with a totem pole
output of a +3/5 V microcontroller (uP_OUT2):
Figure 4-5 Tipical circuit 2
NOTE:
In order to avoid a back powering effect it is recommended to avoid
having any HIGH logic level signal applied to the digital pins of the
HE910 when the module is powered off or during an ON/OFF
transition
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