Fibocom L816-AM, Руководство пользователя по оборудованию

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L816-AM Hardware User Manual Page 4 of 42
Contents
1 Foreword ....................................................................................................................................... 6
1.1 Introduction ........................................................................................................................................... 6
1.2 Reference Standard ............................................................................................................................ 6
1.3 Related Documents ............................................................................................................................. 6
2 Overview ........................................................................................................................................ 7
2.1 Introduction ........................................................................................................................................... 7
2.2 Specification .......................................................................................................................................... 7
2.3 Warnings ............................................................................................................................................... 8
2.4 Application Framework ..................................................................................................................... 11
2.5 Hardware Framework ........................................................................................................................ 12
3 Application Interface ................................................................................................................ 13
3.1 LGA Interface ..................................................................................................................................... 13
3.1.1 Pin Distribution .............................................................................................................................. 13
3.1.2 Pin Definition .................................................................................................................................... 14
3.2 Power Supply ..................................................................................................................................... 19
3.2.1 Power Supply ................................................................................................................................... 19
3.2.2 Power Consumption ........................................................................................................................ 21
3.3 Control Signal ..................................................................................................................................... 22
3.3.1 Module Start-up ............................................................................................................................... 22
3.3.1.1 Start-up Circuit ............................................................................................................................. 22
3.3.1.2 Start-up Timing ............................................................................................................................ 23
3.3.2 Module Shutdown ............................................................................................................................ 24
3.3.3 Module Reset ................................................................................................................................... 25
3.4 USB Interface ..................................................................................................................................... 26
3.4.1 USB Interface Definition ................................................................................................................. 26
3.4.2 USB Interface Application .............................................................................................................. 26
3.5 USIM Interface ................................................................................................................................... 27
3.5.1 USIM Pins ......................................................................................................................................... 27
3.5.2 USIM Interface Circuit ..................................................................................................................... 28
3.5.2.1 N.C. SIM Card Slot ..................................................................................................................... 28
3.5.2.2 N.O. SIM Card Slot ..................................................................................................................... 28
3.5.3 USIM Hot-Plugging .......................................................................................................................... 29
3.5.4 USIM Design .................................................................................................................................... 30