Fibocom L830-EA M.2, Руководство пользователя по оборудованию

Страница: 5 / 45

L830-EA M.2 Module Hardware User Manual Page 5 of 45
5.5.2 USIM Interface Design .................................................................................................................... 30
5.5.2.1 “Normal Closed” SIM Card Circuit Design ....................................................................... 30
5.5.2.2 “Normally Open” SIM Circuit Design ................................................................................. 30
5.5.3 Points for Attention in USIM Design ............................................................................................. 31
5.5.4 USIM Hot-Plugging .......................................................................................................................... 32
5.5.4.1 Hardware Connection .......................................................................................................... 32
5.5.4.2 Software Settings ................................................................................................................. 32
5.6 Digital Audio ................................................................................................................................................. 33
5.6.1 I2S Interface ..................................................................................................................................... 33
5.6.2 PCM Port Description ..................................................................................................................... 33
5.7 Win8/Android Switch Control Interface ................................................................................................... 34
5.8 W_DISABLE# Interface ............................................................................................................................. 35
5.8.1 Description of WWAN_DISABLE# Interface ............................................................................... 35
5.8.2 GPS_DISABLE# Interface ............................................................................................................. 35
5.9 TX_BLANKING Interface ........................................................................................................................... 35
5.10 WAKEUP_Host Interface ......................................................................................................................... 36
5.11 BODY_SAR Interface ............................................................................................................................... 36
5.12 I2C Interface .............................................................................................................................................. 36
5.13 Clock Interface .......................................................................................................................................... 37
5.14 Config Interface ......................................................................................................................................... 37
5.15 RF Interface ............................................................................................................................................... 37
5.15.1 RF Connector Interface ................................................................................................................ 37
5.15.2 RF Connecting Seat ...................................................................................................................... 38
5.15.3 Main Performance of RF Connector .......................................................................................... 39
5.16 Other Interfaces
........................................................................................................................................
39
6 Electrical and Environmental Features ............................................................................................................... 39
6.1 Electrical Features ...................................................................................................................................... 39
6.2 Environmental Features ............................................................................................................................. 40
7 RF Interface ............................................................................................................................................................. 41
7.1 Operating Frequency Band ....................................................................................................................... 41
7.2 Receiving Sensitivity ................................................................................................................................... 42
7.3 GNSS ............................................................................................................................................................ 43
7.4 RF PCB Design ........................................................................................................................................... 43
7.4.1 Wiring Principle ................................................................................................................................ 43