User's Manual

LE920 Hardware User Guide
1vv0301026 Rev.8 2015-01-03
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved. Page 23 of 88
PAD
Signal
I/O
Function
Type
COMMENT
AN12
SHDN_N
I
Unconditional Shut down Input
Active Low
P17
VAUX/PWRMON
O
Supply Output for External Accessories / Power ON
Monitor
1.8V
F17
VRTC
AI/
AO
VRTC Backup Capacitor
Power
To be used to
back up the
RTC section
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
A12
GND
-
Ground
B13
GND
-
Ground
B15
GND
-
Ground
B17
GND
-
Ground
C4
GND
-
Ground
C6
GND
-
Ground
D3
GND
-
Ground
D7
GND
-
Ground
E18
GND
-
Ground
F1
GND
-
Ground
G18
GND
-
Ground
H19
GND
-
Ground
M1
GND
-
Ground
N2
GND
-
Ground
P1
GND
-
Ground
P3
GND
-
Ground
R2
GND
Ground
T2
GND
Ground
T18
GND
-
Ground
U1
GND
-
Ground