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
