L
LE920 Hardware User Guide
1vv0301026 Rev.0 - draft4 – 2013-05-
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved.
Page 18 of 76
PAD
Signal
I/O
Function
Type
COMMENT
C10
DVI_CLK
O
Digital Voice interface (CLK master output)
1.8V
Digital I/O
F9
GPIO_01
I/O GPIO_01
1.8V
E10
GPIO_02
I/O GPIO_02
1.8V
F11
GPIO_03
I/O GPIO_03
1.8V
E12
GPIO_04
I/O GPIO_04
1.8V
F13
GPIO_05
I/O GPIO_05
1.8V
E14
GPIO_06
I/O GPIO_06
1.8V
R18
GPIO_07
I/O GPIO_07
1.8V
S19
GPIO_08
I/O GPIO_08
1.8V
U19
GPIO_09
I/O GPIO_09
1.8V
W19
GPIO_10
I/O GPIO_10
1.8V
RF Section
AD1
Antenna
I/O GSM/EDGE/UMTS/LTE Antenna (50 Ohm)
RF
AU9
ANT_DIV
I
UMTS/LTE Antenna Diversity Input (50 Ohm)
RF
GPS Section
S1
ANT_GPS
I
GPS Antenna (50 Ohm)
RF
Miscellaneous Function
AP1
RESET#
I
Reset Input
Active Low
AS1
ON_OFF#
I
Input Command for Power ON
Active Low
AN12
SHDN_N
I
Unconditional Shut down Input
Active Low
F17
VRTC
AI VRTC Backup Capacitor
Power
To be used to
back up the
RTC section
P17
VAUX/PWRMON O
Supply Output for External Accessories / Power ON
Monitor
1.8V
D5
ADC_IN1
AI Analog/Digital Converter Input 1
Analog
E6
ADC_IN2
AI Analog/Digital Converter Input 2
Analog
F7
ADC_IN3
AI Analog/Digital Converter Input 3
Analog
AU3
STAT_LED
O
Status Indicator LED
1.8V
AN10
SW_RDY
O
Indicates that the boot sequence completed successfully 1.8V
Power Supply
AP17
VBATT
-
Main Power Supply (Digital Section)
Power
AP19
VBATT
-
Main Power Supply (Digital Section)
Power
AR18
VBATT
-
Main Power Supply (Digital Section)
Power
AS17
VBATT_PA
-
Main Power Supply (RF Transmit Power Section)
Power
AS19
VBATT_PA
-
Main Power Supply (RF Transmit Power Section)
Power
AT18
VBATT_PA
-
Main Power Supply (RF Transmit Power Section)
Power
AU17
VBATT_PA
-
Main Power Supply (RF Transmit Power Section)
Power
AU19
VBATT_PA
-
Main Power Supply (RF Transmit Power Section)
Power
A6
GND
-
Ground
