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 19 of 112
o
I2C_AUX : auxiliary use
o
I2C_CAM / I2C_TP : available when not applied for camera and/or
touchpad control
·
USIF1 port: configurable as SPI or UART (up to 48MHz) (multiplexed with I2S)
·
USIF2 port: configurable as SPI or UART (up to 26MHz)
·
26 general purpose GPIOs with at least 8 interrupts ( more can be available
depending on final product configuration)
·
Analog audio I/F
·
Antenna RF ports (GNSS, CELLULAR,WIFI/BT)
K)
Form factor (40x34mm), 441 pin LGA
L)
Single supply module. The module generates all its internal supply voltages.
M)
Built-in RTC / backup supply pin for supercap
N)
Two Operating temperature range specified for the xE922-3GR family:
·
Commercial: 0 °C to +70 °C
·
Industrial extended temperature: -40 °C to +85 °C
O) Cellular transmitter can work simultaneously with the transmitter in the 2.4GHz band. Only
one of the 2.4 GHz modes works at a given moment and it can work simultaneously with any
of the cellular modes.
2.3.
Reference table of RF bands characteristics
2.3.1.
Cellular network:
Mode
Freq. TX
(MHz)
Freq. RX (MHz) Channels
TX - RX offset
PCS 1900
1850.2 ~ 1909.8
1930.2 ~ 1989.8
512 ~ 810
80MHz
DCS 1800
1710 ~ 1785
1805 ~ 1880
512 ~ 885
95MHz