User's Manual

Smart Machine Smart Decision
SIM7000 _Hardware Design _V1.00 2017-05-23
Contents
Contents............................................................................................................................................... 4
Table Index.......................................................................................................................................... 6
Figure Index........................................................................................................................................ 7
Revision History..................................................................................................................................8
1 Introduction..................................................................................................................................9
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................................................................................................................. 14
2.1 Pin Assignment Overview.................................................................................................... 14
2.2 Pin Description......................................................................................................................16
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..........................................................................................22
3.1.2 Recommended Power Supply Circuit............................................................................22
3.1.3 Voltage Monitor............................................................................................................. 23
3.2 Power on/Power off/Reset Function.....................................................................................24
3.2.1 Power on........................................................................................................................ 24
3.2.2 Power off........................................................................................................................25
3.2.3 Reset Function................................................................................................................26
3.3 UART Interface.....................................................................................................................27
3.3.1 UART Design Guide......................................................................................................27
3.3.2 RI and DTR Behavior.................................................................................................... 28
3.4 USB Interface........................................................................................................................29
3.5 SIM Interface........................................................................................................................ 30
3.5.1 SIM Application Guide.................................................................................................. 30
3.5.2 Recommended SIM Card Holder.................................................................................. 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 Network status...................................................................................................................... 34
3.9 Other interface...................................................................................................................... 35
3.9.1 ADC............................................................................................................................... 35
3.9.2 LDO................................................................................................................................36
4 RF Specifications........................................................................................................................37
4.1 LTE CAT-M1RF Specifications............................................................................................37