Telit Wireless Solutions xE910, Руководство пользователя

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Contents
1. Introduction ............................................................................................................................... 7
1.1. Scope ...................................................................................................................................................... 7
1.2. Audience ................................................................................................................................................ 7
1.3. Contact Information, Support ............................................................................................................. 7
1.4. Text Conventions .................................................................................................................................. 8
1.5. Related Documents ............................................................................................................................... 8
1.6. Content of the kit .................................................................................................................................. 9
2. Description ............................................................................................................................... 10
3. Startup procedure ................................................................................................................... 11
4. Power Supply Section ............................................................................................................. 12
4.1. 12V Power Supply .............................................................................................................................. 14
4.2. 3.8V Power Supply ............................................................................................................................. 15
4.3. Power Supply section Schematic ....................................................................................................... 16
5. ON_OFF and RESET ............................................................................................................. 17
5.1. ON_OFF* ............................................................................................................................................ 17
5.2. RESET* ............................................................................................................................................... 17
6. Communication Ports ............................................................................................................. 18
6.1. UART ................................................................................................................................................... 18
6.1.1. Serial Port Setup ..................................................................................................................................... 19
6.1.2. Serial Port - LED and Flow control ........................................................................................................ 20
6.2. USB HS ................................................................................................................................................ 21
6.3. SIM ...................................................................................................................................................... 22
6.3.1. SIM HOLDER ........................................................................................................................................ 22
6.3.2. SIM M2M ............................................................................................................................................... 23
7. Audio Section ........................................................................................................................... 24
7.1. Overview ............................................................................................................................................. 24
7.2. Main Connectors ................................................................................................................................ 25
7.3. Audio Codec ........................................................................................................................................ 26
7.4. Audio Inputs ....................................................................................................................................... 27
7.5. Audio Outputs..................................................................................................................................... 29
7.5.1. EAR Output ............................................................................................................................................ 29
7.5.2. High Power Speaker Output ................................................................................................................... 31