User's Manual

SIM7090G User Manual V1.01
www.simcom.com
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Contents
Contents................................................................................................................................................................ 6
Table Index............................................................................................................................................................ 8
Figure Index
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9
1 Introduction.....................................................................................................................................................10
1.1 Product Outline............................................................................................................................................... 10
1.2 Hardware Interface Overview....................................................................................................................... 11
1.3 Hardware Block Diagram.............................................................................................................................. 11
1.4 Functional Overview...................................................................................................................................... 12
2 Package Information.....................................................................................................................................14
2.1. Pin Assignment Overview............................................................................................................................ 14
2.2. Pin Description...............................................................................................................................................16
2.3. Mechanical Information................................................................................................................................ 20
2.4. Footprint Recommendation......................................................................................................................... 21
3 Interface Application.....................................................................................................................................22
3.1 Power Supply.................................................................................................................................................. 22
3.1.1 Power Supply Design Guide............................................................................................................. 22
3.1.2 Voltage Monitor....................................................................................................................................23
3.2 Power on/Power off/Reset Function............................................................................................................24
3.2.1 Turn on Module Using the PWRKEY Pin........................................................................................24
3.2.2 Turn off Module....................................................................................................................................26
3.2.3 Reset the Module................................................................................................................................ 27
3.3 UART Interface............................................................................................................................................... 29
..........................................................................................................................................................................30
3.3.1. UART Design Guide.......................................................................................................................... 30
3.3.2. RI Behavior......................................................................................................................................... 31
3.3.3. DTR Behavior..................................................................................................................................... 32
3.4 USB Interface..................................................................................................................................................32
3.5 SIM Interface................................................................................................................................................... 34
3.5.1. SIM Application Guide.......................................................................................................................34
3.6 PCM Interface................................................................................................................................................. 35
3.7 I2C Interface.................................................................................................................................................... 36
3.8 SPI Interface....................................................................................................................................................37
3.9 Network status................................................................................................................................................ 39
3.10 ADC interface................................................................................................................................................ 40
3.11 LDO output.................................................................................................................................................... 41
3.12 USB_BOOT Interface.................................................................................................................................. 41
3.13 GPIO Interface..............................................................................................................................................42
3.14 RF control Interface..................................................................................................................................... 42
3.15 Force USB Download Interface................................................................................................................. 42
4 RF Specifications
...........................................................................................................................................
44
4.1 LTE RF Specifications................................................................................................................................... 44
4.2 LTE Antenna Design Guide.......................................................................................................................... 49
4.3 GNSS................................................................................................................................................................50
4.3.1. GNSS Technical specification..........................................................................................................50
4.3.2. GNSS Application Guide.................................................................................................................. 51
4.4 RF traces note.................................................................................................................................................52
4.4.1 RF traces layout.................................................................................................................................. 52
4.4.2 LTE ANT and other system ANT decoupling.................................................................................. 53
5 Electrical Specifications........................................................................................................................... 54
5.1 Absolute maximum ratings............................................................................................................................54