User's Guide
LM940 HW Design Guide
1VV0301352 Rev. 2 Page 16 of 68 2017-07-19
Function Features
Environment
and quality
requirements
The entire module is designed and qualified by Telit for satisfying the
environment and quality requirements for use in applications
1
.
Single supply
module
The module generates all its internal supply voltages.
RTC The real-time clock is supported.
Operating
temperature
Range -40 °C to +85 °C
(conditions as defined in Section 2.9.1, Temperature Range)
Block Diagram
Below figure shows an overview of the internal architecture of the LM940 module.
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
1
InaccordancewithTelit’sRobustnessValidation,usingAEC‐Q100‐definedqualificationtests