I-Lotus RX Oncore User Manual - page 11
Document Number: 403
– GPS – 070
Page | 7
3.4.2 Sleep mode
The RX Oncore can be toggled between Sleep Mode and Full Power Mode by entering a software command.
When the RX Oncore is in Full Power Mode, it can be set to Sleep Mode by entering the $PSTMiMPM,2 software
command.
When the RX Oncore is in Sleep Mode, it can be restored to Full Power Mode by entering the $SPTMiMPM,0
software command.
3.4.3 Standby
The RX Oncore can only be toggled between Full Power Mode and Standby Mode by pulling the hardware control
on the WAKEUP pin.
When the RX Oncore is in Full Power Mode, it can be set to Standby Mode by pulling the hardware control on the
WAKEUP pin LOW.
When the RX Oncore is in Standby Mode, it can be restored to Full Power Mode by pulling the hardware control on
the WAKEUP pin HIGH.
3.5
GPS Antenna detection
To support active GPS antenna (5V), V
ANT
connected to 3~5V supply. RX Oncore supports 3V or 5V active
antenna only.
Detection status:
Active antenna connected
No active antenna connected
Antenna short circuit
To support passive GPS Antenna, tie V
ANT
to GND
Antenna sense circuitry detects the following conditions: