Counter A:
Counter B:
Sens A: , Sens B:

Measure: none A low @ Ext pwr A low @ Bat pwr A high @ Ext pwr A high @ Bat pwr B low @ Ext pwr B low @ Bat pwr B high @ Ext pwr B high @ Bat pwr
Threshold A falling: rising:
Threshold B falling: rising:
Increment A on falling rising both edge(s)
Increment B on falling rising both edge(s)
Sampling period: 150ms 75ms 38ms 19ms
Pullup/poweron pulse duration: 25us 50us 125us 425us (at least)
Sensors power: off pulse on pulse on, swap B & PWR always on
pullup A
pullup B