Electrical Specification - Cherry Theobroma PX30-mQ7 User Manual

11.8 Electrical Specification
11.8.1 Power Supply
The power supply requirements are listed in the table below and are identical to the Qseven specification.
Rail
VCC
VCC_RTC
v1.2.0-1-g5ccabb6
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Description Nominal voltage
Main power supply 5V
Backup battery 3V
Tolerance
4.75 . . . 5.25V
2.4 . . . 3.3V