Telit Wireless Solutions LM940 Design Guide

LM940 Hardware Design Guide
1VV0301352 Rev. 18 Page 14 of 75 2022-01-04
Not Subject to NDA
Function
Features
Single supply module
The module generates all its internal supply voltages.
RTC
Real-time clock is supported.
Operating
temperature
Range -40 °C to +85 °C
(conditions as defined in Section 2.10.1, Temperature Range)
Table 6: Functional Features
Block Diagram
Below figure shows an overview of the internal architecture of the LM940 module.
Figure 1: LM940 Block Diagram
It includes the following sub-functions:
• Application processor, Module subsystem and Location processing with their
external interfaces. These three functions are contained in a single SOC.
• RF front end
• Rich IO interfaces. Depending on which LM940 software features are enabled,
some of its interfaces that are exported through multiplexing may be used
internally and thus may not be usable by the application.
• PMIC with the RTC function inside
TX Output Power
Band
Power class
3G WCDMA
Class 3 (0.2W)
LTE All Bands
Class 3 (0.2W)
Table 7: Transmission Output Power

Telit Wireless Solutions LM940 Specifications

General

Brand	Telit Wireless Solutions
Model	LM940
Category	Wireless modules
Language	English