User's Guide

LM940 HW Design Guide
1VV0301352 Rev. 2 Page 15 of 68 2017-07-19
Function Features
Two USIM
ports – dual
voltage
 Support for dual SIM
 Class B and Class C support
 Clock rates up to 4 MHz
Application
processor
Application processor to run customer application code
 32 bit ARM Cortex-A7 up to 1.19 GHz running the Linux
operating system
 4Gbit NAND Flash + 2Gbit LPDDR2 MCP is supported to allow
for customer’s own software applications
Interfaces Rich set of interfaces, including:
 USB2.0 / USB3.0 – USB port is typically used for:
o Flashing of firmware and module configuration
o Production testing
o Accessing the Application Processor’s file system
o AT command access
o High-speed WWAN access to external host
o Diagnostic monitoring and debugging
o Communication between Java application environment and
an external host CPU
o NMEA data to an external host CPU
 Peripheral Ports – GPIOs
Major software
features
 Advanced security features
o Boot integrity of firmware up to customer applications
o Disable/secure re-enable of debug
o Embedded security
 FOTA (optional)
 Telit Unified AT command set
Form factor Mini PCIe Form factor (50.95x30x2.7mm), accommodating the
multiple RF bands