xE922-3GR Hardware User Guide
1VV0301272
Rev.0.8 2017-01-05
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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
P
lease consult Intel’s IBL Support website for AVL
(approved vendor list), as well
for recommended implemenation and port assignment
·
3x I2C port full speed: