User's Manual

CL865-DUAL Hardware User Guide
1vv0301104 Rev.1 – 2014-03-07
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Reserved. Page 23 of 70
Mod. 0805 2011-07 Rev.2
A simple circuit to unconditionally shutdown the module is illustrated below:
For example:
Let us assume you need to drive RESET* pad with a totem pole output of a +3/5 V
microcontroller (uP_OUT2):
NOTE:
In order to prevent a back powering effect it is recommended to avoid having any HIGH logic
level signal applied to the digital pins of the CL865 when the module is powered OFF or
during an ON/OFF transition.