Fibocom L810-MiniPCIe, Hardware User Manual

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L810-MiniPCIeHardware User Manual Page 4 of 26
Contents
1 Foreword ....................................................................................................................................... 6
1.1 Introduction ........................................................................................................................................... 6
1.2 Reference Standard ............................................................................................................................ 6
1.3 Reference Document .......................................................................................................................... 6
2 Interface Description
..................................................................................................................
7
2.1 Mini PCIe Interface .............................................................................................................................. 7
2.2 Antenna Interface .............................................................................................................................. 10
3 Power Supply
.............................................................................................................................
11
3.1 Power Supply Requirements ........................................................................................................... 11
3.2 Power Supply Timing Requirement ................................................................................................ 11
3.2.1 Rising Time
.......................................................................................................................................
11
3.2.2 Falling Time
......................................................................................................................................
12
3.3 Logic Level .......................................................................................................................................... 12
3.4 Power Supply Filtering ...................................................................................................................... 13
3.5 Power Consumption .......................................................................................................................... 13
4 Radio Frequency ....................................................................................................................... 14
4.1 Frequency Band Partition ................................................................................................................. 14
4.2 Requirements for Antenna ............................................................................................................... 15
5 Interface Application ................................................................................................................ 16
5.1 USB Interface ..................................................................................................................................... 16
5.1.1 USB Interface Description
..............................................................................................................
16
5.1.2 USB Interface Application
..............................................................................................................
17
5.2 USIM Interface ................................................................................................................................... 17
5.2.1 Signal Description for USIM Card
.................................................................................................
17
5.2.2 USIM Interface Application Description
.......................................................................................
18
5.3 Digital Audio Interface ....................................................................................................................... 19
5.3.1 Audio Interface
.................................................................................................................................
19
5.3.2 I2S Application Description
............................................................................................................
19
5.3.3 Application Description for PCM Mode
........................................................................................
19
5.4 UART Interface .................................................................................................................................. 20
5.4.1 UART Interface Description
...........................................................................................................
20
5.4.2 UART Interface Application
............................................................................................................
20