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SIM7000_Hardware_Design_V1.04(SIM7000_Hardware_Design_V1.04).pdf
Contents
Table Index
Figure Index
Revision History
Introduction
Product Outline
Hardware Interface Overview
Hardware Block Diagram
Functional Overview
Package Information
Pin Assignment Overview
Pin Description
Mechanical Information
Footprint Recommendation
Interface Application
Power Supply
Power Supply Design Guide
Recommended Power Supply Circuit
Voltage Monitor
Power on/Power off/Reset Function
Power on
Power off
Reset Function
UART Interface
UART Design Guide
RI and DTR Behavior
USB Interface
SIM Interface
SIM Application Guide
PCM Interface
PCM timing
PCM Application Guide
I2C Interface
Network status
Other interface
ADC
LDO
RF Specifications
GSM/LTE RF Specifications
GSM/LTE Antenna Design Guide
GNSS
GNSS Technical specification
GNSS Application Guide
RF traces note
4.4.1 RF traces layout
4.4.2 LTE ANT and other system ANT decoupling
Electrical Specifications
Absolute maximum ratings
Operating conditions
Operating Mode
Operating Mode Definition
Sleep mode
Minimum functionality mode and Flight mode
Power Saving Mode (PSM)
Extended Mode DRX (e-DRX)
Current Consumption
ESD Notes
SMT Production Guide
Top and Bottom View of SIM7000
Label Information
Typical SMT Reflow Profile
Moisture Sensitivity Level (MSL)
Baking
Stencil Foil Design Recommendation
Packaging
Tray packaging
Appendix
A. Reference Design
B. Design check list
C. Coding Schemes and Maximum Net Data Rates over Air Interface
D. Related Documents
E. Terms and Abbreviations
F. Safety Caution
SIM7000 _Hardware Design_V1.04
SIMCOM CONFIDENTIAL FILE
Smart Machine Smart Decision
Document Title
SIM7000 _Hardware Design
Version
Date
Status
1.04
2018-1-31
Released
Document Control ID
SIM7000 _ Hardware Design_V1.04
General Notes
SIMCom offers this information as a service to its customers to support the application and
engineering efforts that use the products designed by SIMCom. The information provided is based
on the requirements specifically from the customers. SIMCom has not undertaken any independent
search for additional relevant information, including any information that may be in the customer’s
possession. Furthermore, the system validation of the product designed by SIMCom within a larger
electronic system remains the responsibility of the customer or the customer’s system integrator.
All specifications supplied herein are subject to change without notice.
Copyright
This document contains the proprietary technical information which is the property of SIMCom
Limited, copying of this document, giving it to others, the using or communication of the contents
thereof are forbidden without the official authority by SIMCom. Offenders are liable to the
payment of the damages. All rights are reserved in the event of grant of a patent or the registration
of a utility model or design. All specifications supplied herein are subject to change without notice
Copyright © SIMCom Wireless Solutions Co., Ltd. 2018
SIM7000 _Hardware Design _V1.04
2018-1-31
SIMCOM CONFIDENTIAL FILE
Smart Machine Smart Decision
Contents
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
Power on .......................................................................................................................25
3.2.1
Power off ......................................................................................................................26
3.2.2
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
SIM Application Guide ................................................................................................33
3.6 PCM Interface .....................................................................................................................34
PCM timing ..................................................................................................................34
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
3.6.1
3.6.2
3.5.1
4 RF Specifications ......................................................................................................................39
4.1 GSM/LTE RF Specifications ...............................................................................................39
4.2 GSM/LTE Antenna Design Guide .......................................................................................42
4.3 GNSS ..................................................................................................................................43
2018-1-31
SIM7000 _Hardware Design _V1.04
SIMCOM CONFIDENTIAL FILE
Smart Machine Smart Decision
4.3.1 GNSS Technical specification ......................................................................................43
4.3.2 GNSS Application Guide .............................................................................................43
4.4 RF traces note ......................................................................................................................45
4.4.1 RF traces layout ................................................................................................................45
4.4.2 LTE ANT and other system ANT decoupling ...................................................................46
5 Electrical Specifications ...........................................................................................................47
5.1 Absolute maximum ratings .................................................................................................47
5.2 Operating conditions ...........................................................................................................48
5.3 Operating Mode ..................................................................................................................49
5.3.1 Operating Mode Definition ..........................................................................................49
5.3.2
Sleep mode ...................................................................................................................50
5.3.3 Minimum functionality mode and Flight mode ............................................................50
5.3.4
Power Saving Mode (PSM) ..........................................................................................50
5.3.5 Extended Mode DRX (e-DRX) ....................................................................................51
5.4 Current Consumption ..........................................................................................................52
5.5 ESD Notes ...........................................................................................................................54
6 SMT Production Guide ...........................................................................................................55
6.1 Top and Bottom View of SIM7000 .....................................................................................55
6.2 Label Information ................................................................................................................56
6.3 Typical SMT Reflow Profile ...............................................................................................57
6.4 Moisture Sensitivity Level (MSL) ......................................................................................58
6.5 Baking .................................................................................................................................59
6.6 Stencil Foil Design Recommendation .................................................................................60
7 Packaging ..................................................................................................................................61
7.1 Tray packaging ....................................................................................................................61
Appendix ..........................................................................................................................................64
A. Reference Design ......................................................................................................................64
B. Design check list .......................................................................................................................65
C. Coding Schemes and Maximum Net Data Rates over Air Interface.........................................67
D. Related Documents ...................................................................................................................69
E. Terms and Abbreviations ..........................................................................................................71
F. Safety Caution ...........................................................................................................................73
SIM7000 _Hardware Design _V1.04
2018-1-31
SIMCOM CONFIDENTIAL FILE
Smart Machine Smart Decision
Table Index
Table 1: SIM7000 frequency bands and air interface ......................................................................................... 10
Table 2: General features ................................................................................................................................... 13
Table 3: Pin definition ........................................................................................................................................ 16
Table 4: IO parameters definition....................................................................................................................... 17
Table 5: Pin description ...................................................................................................................................... 17
Table 6: VBAT pins electronic characteristic ..................................................................................................... 22
Table 7: Recommended TVS diode list .............................................................................................................. 23
Table 8: Power on timing and electronic characteristic ...................................................................................... 25
Table 9: Power off timing and electronic characteristic ..................................................................................... 27
Table 10: RESET pin electronic characteristic ................................................................................................... 28
Table 11: UART electronic characteristic........................................................................................................... 30
Table 12: SIM electronic characteristic in 1.8V mode (SIM_VDD=1.8V) ........................................................ 32
Table 13: SIM electronic characteristic 3.0V mode (SIM_VDD=2.95V) .......................................................... 32
Table 14: PCM format........................................................................................................................................ 34
Table 15: PCM timing parameters ..................................................................................................................... 35
Table 16: NETLIGHT pin status ........................................................................................................................ 37
Table 17: ADC electronic characteristics ........................................................................................................... 38
Table 18: Electronic characteristic ..................................................................................................................... 38
Table 19: Conducted transmission power .......................................................................................................... 39
Table 20: Maximum Power Reduction (MPR) for UE category NB1 Power Class 3 ........................................ 39
Table 21: Operating frequencies ........................................................................................................................ 40
Table 22: E-UTRA operating bands ................................................................................................................... 40
Table 23: Conducted receive sensitivity ............................................................................................................. 40
Table 24: CAT-M1 Reference sensitivity (QPSK) .............................................................................................. 41
Table 25: CAT-NB1 Reference sensitivity (QPSK) ............................................................................................ 41
Table 26: Trace loss ........................................................................................................................................... 42
Table 27: Recommended TVS ........................................................................................................................... 42
Table 28: Absolute maximum ratings ................................................................................................................. 47
Table 29: Recommended operating ratings ........................................................................................................ 48
Table 30: 1.8V Digital I/O characteristics* ........................................................................................................ 48
Table 31: Operating temperature ........................................................................................................................ 48
Table 32: Operating mode Definition ................................................................................................................. 49
Table 33: Current consumption on VBAT Pins (VBAT=3.8V) .......................................................................... 52
Table 34: The ESD performance measurement table (Temperature: 25℃, Humidity: 45%.) ............................ 54
Table 35: The description of label information .................................................................................................. 56
Table 36: Moisture Sensitivity Level and Floor Life ......................................................................................... 58
Table 37: Baking conditions............................................................................................................................... 59
Table 38: Tray size ............................................................................................................................................. 62
Table 39: Small Carton size ............................................................................................................................... 62
Table 40: Big Carton size ................................................................................................................................... 63
Table 41: Schematic Check List ......................................................................................................................... 65
Table 42: PCB Layout Check List...................................................................................................................... 65
Table 43: Coding Schemes and Maximum Net Data Rates over Air Interface ................................................... 67
Table 44: Related Documents ............................................................................................................................ 69
2018-1-31
SIM7000 _Hardware Design _V1.04
SIMCOM CONFIDENTIAL FILE
Smart Machine Smart Decision
Table 45: Terms and Abbreviations .................................................................................................................... 71
Table 46: Safety Caution .................................................................................................................................... 73
SIM7000 _Hardware Design _V1.04
2018-1-31
SIMCOM CONFIDENTIAL FILE
Smart Machine Smart Decision
Figure Index
Figure 1: SIM7000 block diagram ..................................................................................................................... 12
Figure 2: Pin assignment overview .................................................................................................................... 15
Figure 3: Dimensions (Unit: mm) ...................................................................................................................... 20
Figure 4: Footprint recommendation (Unit: mm) ............................................................................................... 21
Figure 5: VBAT voltage drop during burst emission (EDGE/GPRS) ................................................................ 22
Figure 6: Power supply application circuit......................................................................................................... 23
Figure 7: Linear regulator reference circuit ....................................................................................................... 24
Figure 8: power supply reference circuit (NB only)........................................................................................... 24
Figure 9: Reference power on/off circuit ........................................................................................................... 25
Figure 10: Power on timing sequence ................................................................................................................ 25
Figure 11: Power off timing sequence ................................................................................................................ 27
Figure 12: Reference reset circuit ...................................................................................................................... 28
Figure 13: UART full modem ............................................................................................................................ 29
Figure 14: UART null modem ........................................................................................................................... 29
Figure 15: Reference circuit of level shift .......................................................................................................... 30
Figure 16: RI behaviour（SMS and URC report） ........................................................................................... 30
Figure 17: USB reference circuit ....................................................................................................................... 31
Figure 18: SIM interface reference circuit ......................................................................................................... 33
Figure 19: PCM_SYNC timing .......................................................................................................................... 34
Figure 20: External codec to module timing ...................................................................................................... 34
Figure 21: Module to external codec timing ...................................................................................................... 35
Figure 22: Audio codec reference circuit ........................................................................................................... 36
Figure 23: I2C reference circuit ......................................................................................................................... 36
Figure 24: NETLIGHT reference circuit ............................................................................................................ 37
Figure 25：Power on sequence of the VDD_EXT ............................................................................................ 38
Figure 26: Antenna matching circuit (MAIN_ANT) .......................................................................................... 42
Figure 27: Active antenna circuit ....................................................................................................................... 43
Figure 28: Passive antenna circuit (Default) ...................................................................................................... 44
Figure 29: RF trace should be far away from other high speed signal lines ....................................................... 45
Figure 30: The distance between GND to the inner conductor of SMA ............................................................. 45
Figure 31: e-DRX diagrammatic sketch ............................................................................................................. 51
Figure 32: Top and bottom view of SIM7000 .................................................................................................... 55
Figure 33: Label information ............................................................................................................................. 56
Figure 34: The ramp-soak-spike reflow profile of SIM7000 ............................................................................. 57
Figure 33: stencil recommendation (Unit: mm) ................................................................................................. 60
Figure 35: packaging diagram ............................................................................................................................ 61
Figure 36: Tray drawing ..................................................................................................................................... 61
Figure 37: Small carton drawing ........................................................................................................................ 62
Figure 38: Big carton drawing ........................................................................................................................... 62
Figure 39: Reference design .............................................................................................................................. 64
SIM7000 _Hardware Design _V1.04
2018-1-31
SIMCOM CONFIDENTIAL FILE
Smart Machine Smart Decision
Revision History
Data
Version Description of change
2017-05-23
1.00
Original
Author
Tu Hongjun
Li Ya
2017-07-13
1.01
1. Update the data of Table 1, Table 23 and Table 24
2. Update figure 3 and figure 4
Li Ya
2017-08-29
1.02
1. Update the description of RI and DTR.
2. Update the description of voltage monitor.
3. Update the description of power off function.
4. Update the description of the remarks of some
nonsupport function in existing software, such as PCM,
I2C, SIM_DET.
5. Update the mechanical information.
6. Update the data of Table 1.
7. Update the data of Table 32.
8. Add ESD testing condition.
Tu Hongjun
2017-09-18
1.03
Update the data of Table 32.
Tu Hongjun
2018-1-31
V1.04
1. Change the description GSM to GPRS and EDGE.
2. Update the table related documents.
3. Update the picture block diagram.
4. Update the picture Pin assignment overview.
5. Add comment for Galileo.
6. Delete the recommended type of SIM card socket.
7. Update the baking information.
8. Add the PSM and e-DRX information.
9. Add the design check list information.
10. Add the table 41and table 42
Tu Hongjun
Li ya
SIM7000 _Hardware Design _V1.04
2018-1-31
SIMCOM CONFIDENTIAL FILE
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