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15
R01DS0139ED0100
Data Sheet
Chapter 3 Power supply specification
Chapter 3 Power supply specification
3.1 Requirements for external power supply
connections
The user has to ensure a low resistive connection of all VSS pins on the PCB.
This specification denotes ground supply pins as:
VSS = OSCVSS = REGnVSS = EnVSS = AnVSS = AnVREM = CVSS = 0V
in the further text.
With
EnVSS = E0VSS = E1VSS
REGnVSS = REG0VSS = REG1VSS
AnVSS = A0VSS AnVREFM = A0VREFM
The user has to ensure a low resistive connection of all VDD pins to the related
power supply. This specification denotes power supply pins as:
EnVDD, FVDD, REGnVDD, OSCVDDCVDD, AnVDD and AnVREFP.
in the further text.
With
EnVDD = E0VDD = E1VDD
REGnVDD = REG0VDD = REG1VDD.
AnVDD = A0VDD
AnVREFP = A0VREFP
I/OVDD = AnVDD, EnVDD, FVDD, OSCVDD
3.2 Power area definitions
The device consists of the following power areas:
AWO (Always On area)
ISO0 (Isolated area 0)
ISO1 (Isolated area 1)
The table below lists the related core and port voltage supply of each power
area:
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