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Hi!
The main problem is that device works from battery. So need design a circuit and avoid excessive supply current. Of course I disable LFEN, but what happen on PIN? I don't know. Maybe better connect pins to ground or leave floating input. If it will be a common gpio CMOS input like on...
I designed TPMS sensor on freescale FXTH87 and I don't want to use LF receiver, so I have to configure LF pins to avoid a floating input. What I have to do? leave pin not connected or connect to Vss, or something else?
from datasheet:
Each LF[A:B] pin will always have an impedance of...
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