Datasheet

22
Coin Cell Batter Holder Pin Description:
RTC-Coin Cell Batter Holder
Power Management IC (PMIC) real-time
clock battery back-up.Optionallyusedto
provideback-uppowerfortheReal-Time-
clock(RTC). Connects to coin cell (lithium
or other). PMIC is supplywhen charging
rechargeablecells.Coin cell issource
whensystem is disconnected from power.
Charging is enabled bydefault in soft-
ware. If non-rechargeable battery is to be
used,chargingshouldbedisabled.
Pin# ModulePinName Usage/Description Type/Dir
1
2
3
PMIC_BBAT Power(Bidir)
– Ground Ground
PMIC_BBAT Sameaspin#1 Power(Bidir)
DC Power Jack
Pin# ModulePinName Usage/Description Type/DirDefault
1
2
3
– MainDCinputsupplyingDCjack input(9-20V) Power
– Ground Ground
– Ground Ground
PoE Header:
Optional Power-Over Ethernet and Backpower Headers
PoE Backpower Header:
Pin# ModulePinName Usage/Description Type/DirDefault
1
2
3
4
– EthernetRG45connectorPoEVC1power Power
– EthernetRG45connectorPoEVC2power Power
– EthernetRG45connectorPoEVC3power Power
– EthernetRG45connectorPoEVC4power Power
Pin# ModulePinName Usage/Description Type/DirDefault
1
2
– Main  DC  input  supplying  DC  jack input  (9V-
20V).3Amax.
Power
– Ground Ground