Table of Contents
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Contents
About the Document ................................................................................................................................... 2
Contents ....................................................................................................................................................... 3
Table Index ................................................................................................................................................... 5
Figure Index ................................................................................................................................................. 6
1
Introduction .......................................................................................................................................... 8
1.1.
Safety Information ................................................................................................................... 8
2
General Overview ............................................................................................................................... 10
2.1.
Applicable Modules ............................................................................................................... 10
2.2.
Key Features ......................................................................................................................... 11
2.3.
Interface Overview................................................................................................................. 13
2.4.
Top View of LTE OPEN EVB ................................................................................................. 16
3
EVB Kit Accessories Assembly ....................................................................................................... 17
3.1.
EVB Kit .................................................................................................................................. 17
3.2.
EVB Kit Accessories .............................................................................................................. 18
4
Interface Applications ....................................................................................................................... 20
4.1.
Power Interfaces (J0301/J0601) ........................................................................................... 20
4.2.
LTE-QuecOpen TE-A Interface ............................................................................................. 22
4.3.
Wi-Fi & Ethernet TE-A Interface ............................................................................................ 22
4.4.
USB Interface (J0601) ........................................................................................................... 25
4.5.
Audio Interfaces ..................................................................................................................... 26
4.5.1.
Digital Audio Codec Board Interface (J0804)................................................................. 26
4.5.2.
Analog Audio Interfaces (J0805/J0801/J0802) .............................................................. 28
4.5.2.1. Loudspeaker Interface (J0805) ............................................................................ 28
4.5.2.2. Earphone Interface (J0802) ................................................................................. 28
4.5.2.3. Handset Interface (J0801) .................................................................................... 30
4.6.
U(SIM) Interface (J0901) ....................................................................................................... 31
4.7.
SD Card Interfaces & eMMC (J0701/J0702 & U0702) ......................................................... 33
4.8.
UART Interfaces (J0501/J0502/J0503) ................................................................................. 38
4.9.
SPI Flash (U0601) ................................................................................................................. 42
4.10.
EEPROM (U0903) ................................................................................................................. 43
4.11.
Switches and Buttons ............................................................................................................ 44
4.12.
Status Indicators .................................................................................................................... 45
4.13.
GPIO Interfaces ..................................................................................................................... 46
4.14.
Test Points ............................................................................................................................. 50
5
Operation Procedures Illustration .................................................................................................... 56
5.1.
Power on Modules ................................................................................................................. 56
5.1.1.
Power on LTE-QuecOpen Modules ............................................................................... 56
5.1.2.
Power on Wi-Fi Modules ................................................................................................ 56
5.2.
Communication Via USB or UART Interface ......................................................................... 57
LTE Module Series
LTE OPEN EVB User Guide
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