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©
2017
congatec
AG
SEVALm10
18/58
3.5
Status LEDs D68 - D71, D73 - D75
LEDs D68 - D71 indicate the status of the power rails on the conga-SEVAL. LEDs D73 - D75 indicate the voltage source for the SMARC module.
The description of the LEDs is shown in the table below:
Table 9
Status LEDs Description
LED
Power State
D68
5 V standby voltage on conga-SEVAL
D69
3.3 V standby voltage on conga-SEVAL
D70
5 V runtime voltage on conga-SEVAL
D71
3.3 V runtime voltage on conga-SEVAL
D73
5 V supplied from conga-SEVAL 5 V DC/DC to SMARC module
D74
3.3 V supplied from conga-SEVAL 3.3 V DC/DC to SMARC module
D75
3.0 V – 5.25 V supplied via connectors M25 and M26 to SMARC module
3.6
SMARC Battery Support Signals
The conga-SEVAL provides SMARC battery support signals on connector CN3. Set jumper X52 to position 1-2 if a smart battery system is
connected to conga-SEVAL. This setting ensures the conga-SEVAL enables the necessary DC/DC voltage regulators.
Table 10 Jumper X52 Description
Pin
Configuration
1-2
SBM3 present
2-3
SBM3 not present
Table 11 CN3 Description
Pin Signal
1
CHARGING#
2
CHARGER_PRSNT#
3
BATLOW#
4
GND
D68
D69
D70
D71
D73
D74
D75
2
3
1
Jumper X52
CN3 - Battery Support