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FIBOCOM L850-GL Series Hardware Guide Page 6 of 59
Contents
1 Foreword ........................................................................................................................ 9
1.1 Introduction ..................................................................................................................... 9
1.2 Reference Standard ....................................................................................................... 9
1.3 Related Documents ........................................................................................................ 9
2 Overview ...................................................................................................................... 10
2.1 Introduction ................................................................................................................... 10
2.2 Specification ................................................................................................................. 10
2.3 CA Combinations .......................................................................................................... 12
2.4 Application Framework ................................................................................................. 13
2.5 Hardware Block Diagram ............................................................................................. 14
3 Application Interface ................................................................................................... 15
3.1 M.2 Interface ................................................................................................................ 15
3.1.1 Pin Map........................................................................................................................ 15
3.1.2 Pin Definition ................................................................................................................ 16
3.2 Power Supply ............................................................................................................... 20
3.2.1 Power Supply ............................................................................................................... 20
3.2.2 Logic Level ................................................................................................................... 22
3.2.3 Power Consumption .................................................................................................... 22
3.3 Control Signal ............................................................................................................... 25
3.3.1 Module Start-Up ........................................................................................................... 25
3.3.1.1 Start-up Circuit ............................................................................................................................ 25
3.3.1.2 Start-up Timing Sequence ........................................................................................................... 26
3.3.2 Module Shutdown ........................................................................................................ 27
3.3.3 Module Reset ............................................................................................................... 28
3.3.4 PCIe Link State ............................................................................................................ 29
3.3.4.1 D0 L1.2 ........................................................................................................................................ 30
3.3.4.2 D3
cold
L2 ...................................................................................................................................... 30
3.3.5 Timing Application ........................................................................................................ 32
3.4 IPC Interface ................................................................................................................ 32
3.4.1 PCIe Interface .............................................................................................................. 33
3.4.1.1 PCIe Interface Definition ............................................................................................................. 33
3.4.1.2 PCIe Interface Application ........................................................................................................... 34
3.4.2 USB Interface .............................................................................................................. 35
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