Cinterion
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LGA DevKit User Guide
7.4 ENS22 Operation
35
t lga_devkit_ug_v03 2020-05-29
Public / Released
Page 23 of 36
7.4 ENS22 Operation
To make sure that firmware updates are performed without interruption, the default jumper at
"VEXT" at the "CONTROL" pin header must be removed. Instead, this jumper needs to be
placed at the "LEVELSHIFTER" pin header to connect "VEXT_B" and "VREF".
Also, with ENS22 the white ON LED blinks only very shortly, and about 3.5 seconds before the
module actually starts up.
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