RH850/F1Kx, RH850/F1K Series Hardware Design Guide
R01AN3841ED0110 Rev. 1.10 Page 39 of 108
August 8, 2019
Table 40: RH850/F1KH-D8 Power supply architecture with mixed supply 5V & 3.3V
Case 15 – Mixed Supply 5V & 3.3V
REG1VCC = 3.3V
EVCC = 3.3V
BVCC = 3.3V
A0VREF = 5V
AP0 – Port usable with analog or digital function
P8 – Port usable with analog or digital function, analog input
voltage limited to max. 3.3V, reduced AD conversion range between 0V
to 3.3V
P9 – Port usable with analog or digital function, analog input
voltage limited to max. 3.3V, reduced AD conversion range between 0V
to 3.3V
AP1 – Port usable with analog or digital function
P18 – Port usable with analog or digital function
P19 – Port usable with analog or digital function
Analog port function limitation applies to P8 and P9
3FFh
0V
3.3V
5V
2A3h
0V
3.3V
5V
Note: Con ver sion r ange ex ampl e base d on 10-bit ADC resolution
Analog input channel on AP0
Analog input channel on P8 an d P9
Red uced AD c onversion range
Available
voltage range
Available
voltage range
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