User's Manual
LE910 Hardware User Guide
1vv0301089 Rev.3 – 09-06-2014
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 13 of 79
B14
GPIO_05
I/O
GPIO_05
CMOS 1.8V
C12
GPIO_06
I/O
GPIO_06
CMOS 1.8V
C13
GPIO_07
I/O
GPIO_07
CMOS 1.8V
K15
GPIO_08
I/O
GPIO_08
CMOS 1.8V
L15
GPIO_09
I/O
GPIO_09
CMOS 1.8V
G15
GPIO_10
I/O
GPIO_10
CMOS 1.8V
ADC
B1
ADC_IN1
AI
Analog / Digital converter input
A/D
RF SECTION
K1
ANTENNA
I/O
GSM/EDGE/UMTS Antenna
(50 ohm)
RF
F1
ANT_DIV
I
Antenna Diversity Input
(50 ohm)
RF
GNSS SECTION (see NOTE1)
R9
ANT_GNSS
I
GNSS Antenna (50 ohm)
RF
R7
GNSS_LNA_EN
O
Output enable for External LNA
supply
CMOS 1.8V
Miscellaneous Functions
R13
HW_SHUTDOWN*
I
HW Unconditional Shutdown
1.8V
Active low
R12
ON_OFF*
I
Input command for power ON
1.8V
Active low
C14
VRTC
I
VRTC Backup capacitor
Power
backup for the embedded RTC supply
R11
VAUX/PWRMON
O
Supply Output for external
accessories / Power ON Monitor
1.8V
Power Supply
M1
VBATT
-
Main power supply (Baseband)
Power
M2
VBATT
-
Main power supply (Baseband)
Power
N1
VBATT_PA
-
Main power supply (Radio PA)
Power
N2
VBATT_PA
-
Main power supply (Radio PA)
Power
P1
VBATT_PA
-
Main power supply (Radio PA)
Power
P2
VBATT_PA
-
Main power supply (Radio PA)
Power
E1
GND
-
Ground
Power
G1
GND
-
Ground
Power
H1
GND
-
Ground
Power
J1
GND
-
Ground
Power
L1
GND
-
Ground
Power
A2
GND
-
Ground
Power
E2
GND
-
Ground
Power
F2
GND
-
Ground
Power
G2
GND
-
Ground
Power
H2
GND
-
Ground
Power
J2
GND
-
Ground
Power
K2
GND
-
Ground
Power
L2
GND
-
Ground
Power
R2
GND
-
Ground
Power