3.13.
PCM Interface .......................................................................................................................... 45
3.14.
Analog Audio Interfaces ........................................................................................................... 46
3.15.
LCD Interface ........................................................................................................................... 49
3.16.
Matrix Keyboard Interface ....................................................................................................... 49
3.17.
SD Card Interface .................................................................................................................... 50
3.18.
WLAN Application Interface* ................................................................................................... 51
3.19.
ADC Interfaces ........................................................................................................................ 53
3.20.
Network Status Indication ........................................................................................................ 53
3.21.
STATUS ................................................................................................................................... 55
3.22.
Behaviors of MAIN_RI ............................................................................................................. 55
3.23.
USB_BOOT Interface .............................................................................................................. 56
4
Antenna Interfaces ............................................................................................................................. 58
4.1.
4.1.1.
Pin Definition .................................................................................................................. 58
4.1.2.
Operating Frequency ..................................................................................................... 59
4.1.3.
4.2.
GNSS Antenna Interface ......................................................................................................... 61
4.3.
4.4.
Antenna Installation ................................................................................................................. 65
4.4.1.
Antenna Requirement .................................................................................................... 65
4.4.2.
5
5.1.
Absolute Maximum Ratings ..................................................................................................... 68
5.2.
Power Supply Ratings ............................................................................................................. 69
5.3.
5.4.
Power Consumption ................................................................................................................ 70
5.5.
Tx Power .................................................................................................................................. 78
5.6.
Rx Sensitivity ........................................................................................................................... 79
5.7.
ESD .......................................................................................................................................... 81
6
Mechanical Information ..................................................................................................................... 83
6.1.
Mechanical Dimensions ........................................................................................................... 83
6.2.
Recommended Footprint ......................................................................................................... 85
6.3.
Top and Bottom Views ............................................................................................................. 86
7
7.1.
Storage Conditions .................................................................................................................. 87
7.2.
7.3.
Packaging Specifications ......................................................................................................... 89
7.3.1.
Carrier Tape .................................................................................................................... 90
7.3.2.
Plastic Reel .................................................................................................................... 90
EC200U_Series_Hardware_Design
LTE Standard Module Series
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