Y-RH850-F1X-100PIN-PB-T1-V3
User’s Manual
R20UT3959ED0101, Rev. 1.01
11
2019-11-27
4.2
Voltage distribution
The table shows the required device power supply pins and their function:
Device supply pin
Function
REGVCC
Supply for the device internal regulators for the digital logic.
EVCC
Supply for ports of AWO area.
A0VREF
Supply for ports and analog functions of ADC0.
VDDIOF
IO supply voltage for components located on a connected
mainboard.
•
For each of the above voltages, the voltage source can be selected from
Voltage1
(typ. 5.0V) or
Voltage2
(typ. 3.3V) by the jumpers JP0, JP1, JP2,
JP4, JP9 and JP6.
See the picture below for details.
REGVCC
VOLTAGE1
VOLTAGE2
VCCIOF
EVCC
A0VREF
JP0
JP1
JP2
JP4
JP9
JP6
