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L850-GL Hardware User Manual Page 4 of 54
Contents
1 Foreword ............................................................................................................................................ 7
1.1 Introduction .......................................................................................................................... 7
1.2 Reference Standard ............................................................................................................. 7
1.3 Related Documents ............................................................................................................. 7
2 Overview ............................................................................................................................................ 8
2.1 Introduction .......................................................................................................................... 8
2.2 Specification ......................................................................................................................... 8
2.3 Warning ................................................................................................................................ 9
2.3.1 FCC Statement ............................................................................................................. 9
2.3.2 IC Statement ................................................................................................................ 11
2.3.3 CE Statement .............................................................................................................. 12
2.4 CA combinations ................................................................................................................ 13
2.5 Application Framework ...................................................................................................... 14
2.6 Hardware Block Diagram ................................................................................................... 14
3 Application Interface ......................................................................................................................... 16
3.1 M.2 Interface ...................................................................................................................... 16
3.1.1 Pin Map ...................................................................................................................... 16
3.1.2 Pin Definition ............................................................................................................... 17
3.2 Power Supply ..................................................................................................................... 21
3.2.1 Power Supply .............................................................................................................. 21
3.2.2 Logic level ................................................................................................................... 22
3.2.3 Power Consumption ................................................................................................... 23
3.3 Control Signal .................................................................................................................... 25
3.3.1 Module Start-Up .......................................................................................................... 26
3.3.1.1 Start-up Circuit ..................................................................................................... 26
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 Reset ................................................................................................................. 29
3.4 PCIe & USB ....................................................................................................................... 30
3.4.1 PCIe Interface ............................................................................................................. 30
3.4.1.1 PCIe Interface Definition ...................................................................................... 30
3.4.1.2 PCIe Interface Application ................................................................................... 31
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