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CC2640: cc2640R2LP schematic: what is the difference between VDDR and VDDS

Jeroen Wyffels
Prodigy 220 points
Part Number: CC2640

Hi, 

In the swrc335 documentation , I found the CC2640R2 schematic in which VDDS and VDDR are displayed. 

Can someone explain to me what the difference between those sources is, especially in absolute values of power value? Are those all 3.3V?

regards

Jeroen