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LE910Cx HW User Guide
1VV0301298 Rev. 33
Page 31 of 128
2021-06-29
Not Subject to NDA
Signals That Must Be Connected
Table 8 lists the LE910Cx signals that must be connected even if not used by the end
application:
PAD
Signal
Notes
M1, M2, N1, N2, P1, P2
VBATT &
VBATT_PA
A2, B13, D4, E1, E2, E14, F2,
G1, G2, G7, G8, G9, H1, H2,
H7, H8, H9, J1, J2, J7, J8, J9,
K2, L1, L2, M3, M4, M12, N3,
N4, N5, N6, P3, P4, P5, P6,
P8, P9, P10, P13, R2, R3, R5,
R6, R8, R10
GND
R12
ON/OFF
Main power on off signal
R13
HW_SHUTDOWN_N
Emergency power off
B15
USB_D+
If not used, connect to a Test Point
or an USB connector
C15
USB_D-
If not used, connect to a Test Point
or an USB connector
A13
USB_VBUS
If not used, connect to a Test Point
or an USB connector
N15
C103/TXD
If not used, connect to a Test Point
M15
C104/RXD
If not used, connect to a Test Point
L14
C105/RTS
If flow control is not used, connect
to GND
P15
C106/CTS
If not used, connect to a Test Point
D15
TX_AUX
If not used, connect to a Test Point
E15
RX_AUX
If not used, connect to a Test Point
K1
Antenna
MAIN antenna
F1
ANT_DIV
DIV antenna
R9
ANT_GPS
GPS antenna
C4, C5, C6, C7, D3, E3, G3,
P11
Reserved
Connect to a Test Point for Telit
internal use
L15
GPIO_09
If not used, connect to a Test Point
M9
WCI_RX
If not used, connect to a Test Point
Table 8: Mandatory Signals