User's Manual

DE910 Series Hardware User Guide
1vv0300951 Rev.9 – 2015-05-11
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved. Page 18 of 77
NOTE:
Almost all pins not in use must be left disconnected. The only exceptions are the following
pins:
PAD Signal
M
1,M2,N1,N2,P1,P2
VBATT&VBATT_PA
E1,G1,H1,J1,L1,A2,E2,
F2,G2,H2,J2,K2,L2,R2,
M3,N3,P3,R3,D4,M4,N
4,P4,R4,N5,P5,R5,N6,P
6,R6,P8,R8,P9,P10,R10,
M12,B13,P13,E14
GND
R12
ON_OFF*
R13 HW_SHUTDOWN*
B15 USB_D+
If not used should be connected to
a Test Point
C15 USB_D-
If not used should be connected to
a Test Point
A13 VBUS
If not used should be connected to
a Test Point
N15 C103/TXD
If not used should be connected to
a Test Point
M15 C104/RXD
If not used should be connected to
a Test Point
L14 C105/RTS
If the flow control is not used it
should be connected to GND
P15 C106/CTS
If not used should be connected to
a Test Point
D15 TXD_AUX
If not used should be connected to
a Test Point
E15 RXD_AUX
If not used should be connected to
a Test Point
K1
Main Antenna
F1
ANT_DIV (If supported
by the product)
If not used
it could be left
unconnected, but has to be
disabled by the related AT
Command (AT#RXDIV): please
refer to the AT User Guide for the
related syntax
R9
ANT_GPS (If supported
by the product)
If the GPS is not used it could be
left unconnected
C3,C4,C5,C6,C7,D3,E3 Test Point
RTS must be connected to the GND (on the module side) if flow control is not used.
The above pins are also necessary to debug the application incorporating the module.