SimCom SIM7000G

Smart Machine Smart Decision
SIM7000 _Hardware Design _V1.00 2017-05-23
Contents
Contents............................................................................................................................................... 5
Table Index.......................................................................................................................................... 7
Figure Index........................................................................................................................................ 8
Revision History..................................................................................................................................9
1 Introduction................................................................................................................................10
1.1 Product Outline..................................................................................................................... 10
1.2 Hardware Interface Overview...............................................................................................11
1.3 Hardware Block Diagram..................................................................................................... 12
1.4 Functional Overview.............................................................................................................13
2 Package Information................................................................................................................. 15
2.1 Pin Assignment Overview.................................................................................................... 15
2.2 Pin Description......................................................................................................................17
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..........................................................................................23
3.1.2 Recommended Power Supply Circuit............................................................................23
3.1.3 Voltage Monitor............................................................................................................. 24
3.2 Power on/Power off/Reset Function.....................................................................................25
3.2.1 Power on........................................................................................................................ 25
3.2.2 Power off........................................................................................................................26
3.2.3 Reset Function................................................................................................................27
3.3 UART Interface.....................................................................................................................28
3.3.1 UART Design Guide......................................................................................................28
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
3.5.2 Recommended SIM Card Holder.................................................................................. 32
3.6 PCM Interface.......................................................................................................................33
3.6.1 PCM timing....................................................................................................................33
3.6.2 PCM Application Guide.................................................................................................35
3.7 I2C Interface......................................................................................................................... 35
3.8 Network status...................................................................................................................... 35
3.9 Other interface...................................................................................................................... 36
3.9.1 ADC............................................................................................................................... 36
3.9.2 LDO................................................................................................................................37
4 RF Specifications........................................................................................................................38
4.1 LTE CAT-M1RF Specifications............................................................................................38