User's Manual

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