Telit Wireless Solutions LM940 Design Guide

LM940 Hardware Design Guide
1VV0301352 Rev. 18 Page 22 of 75 2022-01-04
Not Subject to NDA
Pin
Signal
I/O
Function
Type
Comment
42
WAN_LED_N
O
LED control
Open drain
Miscellaneous Functions
28
VREG_L6_1P8
O
Reference Voltage
1.8V
Power
48
SYSTEM_RESET_N
I
Reset Input
Power ON Trigger
1.8V
I2C Interface
30
I2C_SCL
O
I2C Clock
1.8V
32
I2C_SDA
I/O
I2C Data
1.8V
Power Supply
2
VBATT
I
Power supply
Power
24
VBATT
I
Power supply
Power
39
VBATT
I
Power supply
Power
41
VBATT
I
Power supply
Power
52
VBATT
I
Power supply
Power
Ground
4
GND
-
Ground
Ground
9
GND
-
Ground
Ground
15
GND
-
Ground
Ground
18
GND
-
Ground
Ground
21
GND
-
Ground
Ground
26
GND
-
Ground
Ground
27
GND
-
Ground
Ground
29
GND
-
Ground
Ground
34
GND
-
Ground
Ground
35
GND
-
Ground
Ground
37
GND
-
Ground
Ground
40
GND
-
Ground
Ground
43
GND
-
Ground
Ground
50
GND
-
Ground
Ground

Telit Wireless Solutions LM940 Specifications

General

Brand	Telit Wireless Solutions
Model	LM940
Category	Wireless modules
Language	English