User's Guide

xE922-3GR Hardware User Guide
1VV0301272 Rev.0.8 2017-01-05
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved. Page 18 of 112
o Exponentiation accelerator – supports RSA(1024.2048)
o Hashing engines : MD5, HMAC, SHA1/256
o True-RNG
· Secure memory : isolated memory region IMR for secure VM
· Secure boot : root of trust is SEC ROM
· Content protection : Widevine Level 1 DRM ( HW protected Video Path)
J) Rich set of module I/O interfaces, including:
· SDIO: SD 3.0, 1x 4bit, speed up to DDR50
only 1.8V supported
· SDMMC: 1x 4bit, default mode (26MHz)
including power supply (fixed 2.9V) and card detect
· USB2.0 (FS/HS DRD dual role device)
The USB port is typically used for:
o Flashing of firmware and module configuration
o Production testing
o Accessing the Application Processor’s filesystem
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
o Connect to USB peripherals or hubs (note: application note available
from chipset provider on USB hub connectivity)
· Peripheral Ports
These can be applied to support several sensors like : accelerometer , gyroscope,
magnetometer, proximity and ambient light sensors
Please consult Intel’s IBL Support website for AVL (approved vendor list), as well
for recommended implemenation and port assignment
· 3x I2C port full speed: