Reference Manual

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www.ConnectCore 9M 2443 & Wi-9M 2443 Hardware Reference.com 120
115 I/O USBN DN_UDEV USB device USB device data line -
connected to X12
116 P - VRTC Backup battery for
RTC, for 3V cell,
power-switch-
over is on the
module. Can be
left floating, if
RTC backup is not
needed.
3V battery connected
117 P - GND GND
118 P - +3.3V +3.3V
119 P - VLIO Mobile: Power
from Li-Ion
Battery
Non-Mobile:
connected to 3.3V
Delivers either power from Li-
Ion battery or 3.3V
120 P - +3.3V +3.3V
X1 Type U-Boot Module
Functionality
Comments Usage on
development board