S B C X U s e r ' s G u i d e
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4
System components
4.1
Power Supply Unit (PSU)
The SBCX supports a power input in the +[12-24 V] range. The supply
voltage is applied through the J2 power connector.
4.1.1
Power-up sequence
The power-up sequence of the whole system matches the AXEL LITE
recommended power-up sequence, as described in AXEL LITE Hardware
Manual, section 5.1.1).
4.1.2
RTC battery
Fig. 8: RTC battery
SBCX uses the RTC device provided by AXEL LITE. Backup power is
generated by ML2020 rechargeable coin battery and provided to the
SOM through the PMIC_LICELL (J1.14) signal. Battery is plugged into
BT2 battery holder.
December, 2019
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Summary of Contents for SBC AXEL
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