Annaertd,
I was looking at old documentation, the latest PTS and scaleability guide do indeed not show an external supply on pin 21. So I guess its Vbatt or you lose the RTC.
Regards
Matt
Annaertd,
I was looking at old documentation, the latest PTS and scaleability guide do indeed not show an external supply on pin 21. So I guess its Vbatt or you lose the RTC.
Regards
Matt