Fibocom H330S, Hardware User Manual

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H330S Hardware User Manual Page 6 of 44
5.3.3 WAKE_UP Signal ............................................................................................................................ 31
5.3.4 Other Work Indications ................................................................................................................... 31
5.4 USB Interface ............................................................................................................................................. 32
5.4.1 USB Interface Definition ................................................................................................................. 32
5.4.2 USB Interface Application .............................................................................................................. 32
5.5 UART Interface .......................................................................................................................................... 33
5.5.1 UART Interface Description
...........................................................................................................
33
5.5.2 UART Interface Application
............................................................................................................
34
5.5.3 Ring Indication ................................................................................................................................. 35
5.6 USIM Interface ........................................................................................................................................... 35
5.6.1 USIM Pins
.........................................................................................................................................
35
5.6.2 USIM Design .................................................................................................................................... 35
5.6.3 Points for Attention in USIM Design ............................................................................................. 36
5.6.4 USIM Hot-Plugging .......................................................................................................................... 36
5.6.4.1 Hardware Connection ............................................................................................................ 37
5.6.4.2 Software Settings ................................................................................................................... 37
5.7 Analog Audio Interface ............................................................................................................................ 37
5.7.1 Definition of Audio Interface Signals
............................................................................................
37
5.7.2 Description of Audio Interface Application
..................................................................................
38
5.7.2.1 Audio Channel 1 ..................................................................................................................... 38
5.7.2.2 Audio Channel 2 ..................................................................................................................... 38
5.8 Digital Audio ............................................................................................................................................... 39
5.8.1 I2S ...................................................................................................................................................... 39
5.8.2 I2C ...................................................................................................................................................... 40
5.8.3 PCM Port Description
.....................................................................................................................
40
5.9 ADC Interface
.............................................................................................................................................
40
5.10 Other Interfaces ...................................................................................................................................... 41
6 Electrical and Environmental Features ................................................................................... 41
6.1 Electrical Features .................................................................................................................................... 41
6.2 Environmental Features .......................................................................................................................... 41
7 RF Interface ....................................................................................................................................... 42
7.1 Operating Frequency Band .................................................................................................................... 42
7.1.1 Frequency Range of Main Antenna .............................................................................................. 42