Specifications
Smart Machine Smart Decision
SIM7080G _Hardware Design _V1.03 2 2019-12-13
Contents
Contents .............................................................................................................................................2
Table Index ........................................................................................................................................4
Figure Index ......................................................................................................................................6
Revision History ................................................................................................................................7
1 Introduction ................................................................................................................................8
1.1 Product Outline .....................................................................................................................9
1.2 Hardware Interface Overview .............................................................................................10
1.3 Hardware Block Diagram.................................................................................................... 11
1.4 Functional Overview ...........................................................................................................12
2 Package Information................................................................................................................13
2.1 Pin Assignment Overview ...................................................................................................13
2.2 Pin Description ....................................................................................................................15
2.3 Mechanical Information ......................................................................................................19
2.4 Footprint Recommendation .................................................................................................20
3 Interface Application ...............................................................................................................21
3.1 Power Supply ......................................................................................................................21
3.1.1 Power Supply Design Guide ........................................................................................21
3.1.2 Recommended Power Supply Circuit ..........................................................................22
3.1.3 Voltage Monitor ............................................................................................................22
3.2 Power on/Power off Function..............................................................................................24
3.2.1 Power on .......................................................................................................................24
3.2.2 Power off ......................................................................................................................25
3.3 UART Interface ...................................................................................................................27
3.3.1 UART Design Guide ....................................................................................................27
3.3.2 RI and DTR Behavior ...................................................................................................29
3.4 USB Interface ......................................................................................................................30
3.5 SIM Interface ......................................................................................................................31
3.5.1 SIM Application Guide ................................................................................................31
3.6 PCM Interface .....................................................................................................................32
3.6.1 PCM timing ..................................................................................................................32
3.6.2 PCM Application Guide ...............................................................................................34
3.7 I2C Interface........................................................................................................................34
3.8 SPI Interface ........................................................................................................................35
3.9 Network status .....................................................................................................................35
3.10 ADC interface ..................................................................................................................37
3.11 LDO output ......................................................................................................................37
3.12 RFGRFC Interface ...........................................................................................................38
4 RF Specifications ......................................................................................................................39
4.1 LTE RF Specifications ........................................................................................................39
Table 17: Conducted transmission power ......................................................................................39