Table Of Contents - SimCom SIM7000 Hardware Design

Contents .............................................................................................................................................3
Table Index ........................................................................................................................................5
Figure Index ......................................................................................................................................7
Revision History ................................................................................................................................8
1 Introduction ................................................................................................................................9
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 ..............................................................................................................28
3.3 UART Interface ...................................................................................................................29
3.3.1 UART Design Guide ....................................................................................................29
3.3.2 RI and DTR Behavior ...................................................................................................30
3.4 USB Interface ......................................................................................................................31
3.5 SIM Interface ......................................................................................................................32
3.5.1 SIM Application Guide ................................................................................................33
3.6 PCM Interface .....................................................................................................................34
3.6.1 PCM timing ..................................................................................................................34
3.6.2 PCM Application Guide ...............................................................................................36
3.7 I2C Interface........................................................................................................................36
3.8 Network status .....................................................................................................................37
3.9 Other interface .....................................................................................................................38
3.9.1 ADC .............................................................................................................................38
3.9.2 LDO ..............................................................................................................................38
4 RF Specifications ......................................................................................................................39
4.1 GSM/LTE RF Specifications ...............................................................................................39
4.2 GSM/LTE Antenna Design Guide .......................................................................................42
4.3 GNSS ..................................................................................................................................43
SIM7000 _Hardware Design _V1.04
Contents
Smart Machine Smart Decision
2018-1-31