Quectel LTE OPEN EVB - Table of Contents; Contents

LTE Module Series
LTE OPEN EVB User Guide
LTE_OPEN_EVB_User_Guide 3 / 62
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