User's Guide

LE910Cx Hardware User Guide

1VV0301298 Rev. 1.04 - 2017-05-25

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List of Tables

Table 1: Applicability Table ................................................................................................................. 2

Table 2: Related Documents ............................................................................................................ 15

Table 3: RF Bands per Regional Variant ............................................................................................ 23

Table 4: RF Bands Characteristics ..................................................................................................... 24

Table 5: LE910Cx Pin-out .................................................................................................................. 28

Table 6: Mandatory Signals .............................................................................................................. 39

Table 7: Absolute Maximum Ratings – Not Operational .................................................................. 43

Table 8: Recommended Operating Conditions ................................................................................ 43

Table 9: Absolute Maximum Ratings - Not Functional ..................................................................... 44

Table 10: Operating Range – Interface Levels (1.8V CMOS) ............................................................ 44

Table 11: Operating Range – SD Card Pads Working at 1.8V ........................................................... 45

Table 12: Operating Range – SIM Pads Working at 1.8V.................................................................. 45

Table 13: Absolute Maximum Ratings - Not Functional ................................................................... 46

Table 14: Operating Range – For SD Card Pads Operating at 2.95V ................................................ 46

Table 15: Operating Range – For SIM Pads Operating at 2.95V ....................................................... 47

Table 16: Power Supply Requirements ............................................................................................ 53

Table 17: LE910Cx Current Consumption ......................................................................................... 53

Table 18: GSM / WCDMA/ LTE Antenna Requirements ................................................................... 61

Table 19: Antenna Line on PCB Requirements ................................................................................. 61

Table 20: Antenna Diversity Requirements ...................................................................................... 63

Table 21: Antenna Line on PCB Requirements ................................................................................. 65

Table 22: LE910Cx Hardware Interfaces ........................................................................................... 67

Table 23: USB Interface Signals ........................................................................................................ 68

Table 25: Ethernet Control Interface Signals .................................................................................... 69

Table 24: Modem Serial Port 1 Signals ............................................................................................. 71

Table 25 Modem Serial Port 2 Signals .............................................................................................. 72

Table 26: SPI Signals ......................................................................................................................... 75

Table 27: SD Card Signals .................................................................................................................. 77

Table 28: WiFi SDIO Interface Signals ............................................................................................... 78

Table 29: Digital Audio Interface (DVI) Signals ................................................................................. 80

Table 30: PCM_CODEC Timing Parameters ...................................................................................... 82

Table 31: AUX_PCM_CODEC Timing Parameters ............................................................................. 84

Table 32: Primary GPIOs ................................................................................................................... 85

Table 33: Network Service Availability Indication ............................................................................ 89

Table 34: Operating Range – VAUX Power Supply ........................................................................... 90

Table 35: ADC Parameters ................................................................................................................ 91

The values are related to typical environment and conditions Table 36 GNSS Characteristics....... 92

Table 37: Recommendations for PCB Pad Surfaces ......................................................................... 98

Table 38: Solder Profile Characteristics .......................................................................................... 100

Table 39: SIM Interface – C1 Range ................................................................................................ 103