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FIBOCOM SU806 Series Hardware Guide Page 6 of 91
3.13 Charge Enable Interface ............................................................................................. 44
3.14 Vibration Motor Driver Interface .................................................................................. 44
3.15 LCM ............................................................................................................................ 44
3.16 TP............................................................................................................................... 46
3.17 Camera ...................................................................................................................... 47
3.17.1 Rear Camera .................................................................................................................... 49
3.17.2 Front Camera .................................................................................................................... 50
3.17.3 Depth Camera .................................................................................................................. 51
3.17.4 Design Notice ................................................................................................................... 51
3.18 Sensor ........................................................................................................................ 53
3.19 Audio .......................................................................................................................... 53
3.19.1 Audio Interface Pin Definition ........................................................................................... 53
3.19.2 Microphone Circuit Design ............................................................................................... 55
3.19.3 Earpiece Circuit Design .................................................................................................... 55
3.19.4 Headset Circuit Design ..................................................................................................... 56
3.19.5 Speaker Circuit Design ..................................................................................................... 56
3.20 Force Download Interface ........................................................................................... 57
4 Antenna Interface ........................................................................................................58
4.1 MAIN/DRX Antenna .................................................................................................... 58
4.1.1
Operating Band.................................................................................................................. 58
4.1.2 Antenna Reference Design ................................................................................................ 60
4.2 WIFI/BT Antenna ........................................................................................................ 60
4.2.1 WIFI/BT Operating Frequency ........................................................................................... 60
4.2.2 WIFI/BT Antenna Reference Design .................................................................................. 61
4.3 GNSS Antenna ........................................................................................................... 61
4.3.1 Operating Frequency .......................................................................................................... 61
4.3.2 GNSS Antenna Reference Design ..................................................................................... 61
4.3.2.1 Passive Antenna Reference Design: ......................................................................................... 61
4.3.2.2 Active Antenna Reference Design ............................................................................................. 62
4.4 Antenna Requirement ................................................................................................. 63
5 RF PCB Layout Design Guide ....................................................................................65
6 WIFI and Bluetooth ......................................................................................................67
6.1 WIFI Overview ............................................................................................................ 67
6.2 WIFI Performance ...................................................................................................... 67
6.3 Bluetooth Overview .................................................................................................... 68