![theobroma systems RK3399-Q7 User Manual Download Page 50](http://html.mh-extra.com/html/theobroma-systems/rk3399-q7/rk3399-q7_user-manual_1101597050.webp)
5.5 Electrical Specification
5.5.1 Power Supply
The power supply requirements are listed in the table below and are identical to the Qseven specification.
Rail
Description
Nominal voltage
Tolerance
VCC
Main power supply
5V
4.75 ... 5.25V
VCC_RTC
Backup battery
3V
2.4 ... 3.3V
Release v0.2-3-g574c114
Page
46
Summary of Contents for RK3399-Q7
Page 2: ......