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SIM7080G Hardware Design_V1.03.pdf
Contents
Table Index
Figure Index
Revision History
1 Introduction
1.1 Product Outline
1.2 Hardware Interface Overview
1.3 Hardware Block Diagram
1.4 Functional Overview
2 Package Information
2.1 Pin Assignment Overview
2.2 Pin Description
2.3 Mechanical Information
2.4 Footprint Recommendation
3 Interface Application
3.1 Power Supply
3.1.1 Power Supply Design Guide
3.1.2 Recommended Power Supply Circuit
3.1.3 Voltage Monitor
3.2 Power on/Power off Function
3.2.1 Power on
3.2.2 Power off
3.3 UART Interface
3.3.1 UART Design Guide
3.3.2 RI and DTR Behavior
3.4 USB Interface
3.5 SIM Interface
3.5.1 SIM Application Guide
3.6 PCM Interface
3.6.1 PCM timing
3.6.2 PCM Application Guide
3.7 I2C Interface
3.8 SPI Interface
3.9 Network status
3.10 ADC interface
3.11 LDO output
3.12 RFGRFC Interface
4 RF Specifications
4.1 LTE RF Specifications
Table 17: Conducted transmission power
4.2 LTE Antenna Design Guide
4.3 GNSS
4.3.1 GNSS Technical specification
4.3.2 GNSS Application Guide
4.4 RF traces note
4.4.1 RF traces layout
4.4.2 LTE ANT and other system ANT decoupling
5 Electrical Specifications
5.1 Absolute maximum ratings
5.2 Operating conditions
5.3 Operating Mode
5.3.1 Operating Mode Definition
5.3.2 Sleep mode
5.3.3 Minimum functionality mode and Flight mode
5.3.4 Power Saving Mode (PSM)
5.3.5 Extended Mode DRX (e-DRX)
5.4 Current Consumption
5.5 ESD Notes
6 SMT Production Guide
6.1 Top and Bottom View of SIM7080G
6.2 Label Information
6.3 Typical SMT Reflow Profile
6.4 Moisture Sensitivity Level (MSL)
6.5 Baking
6.6 Stencil Foil Design Recommendation
7 Packaging
7.1 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
Smart Machine Smart Decision
SIM7080G _Hardware Design_V1.03
SIMCom Confidential File
Smart Machine Smart Decision
Document Title
SIM7080G_Hardware Design
Version
Date
Status
1.03
2019-12-13
Released
Document Control ID
SIM7080G_Hardware Design_V1.03
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. 2019
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Contents
Contents .............................................................................................................................................2
Table Index ........................................................................................................................................4
Figure Index ......................................................................................................................................6
Revision History ................................................................................................................................7
1
Introduction ................................................................................................................................8
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................................................................................................................13
2.1 Pin Assignment Overview ...................................................................................................13
2.2 Pin Description ....................................................................................................................15
2.3 Mechanical Information ......................................................................................................19
2.4 Footprint Recommendation .................................................................................................20
3
3.2.1
3.2.2
Interface Application ...............................................................................................................21
3.1 Power Supply ......................................................................................................................21
3.1.1
Power Supply Design Guide ........................................................................................21
3.1.2 Recommended Power Supply Circuit ..........................................................................22
3.1.3 Voltage Monitor ............................................................................................................22
3.2 Power on/Power off Function..............................................................................................24
Power on .......................................................................................................................24
Power off ......................................................................................................................25
3.3 UART Interface ...................................................................................................................27
3.3.1 UART Design Guide ....................................................................................................27
3.3.2 RI and DTR Behavior ...................................................................................................29
3.4 USB Interface ......................................................................................................................30
3.5 SIM Interface ......................................................................................................................31
SIM Application Guide ................................................................................................31
3.6 PCM Interface .....................................................................................................................32
PCM timing ..................................................................................................................32
PCM Application Guide ...............................................................................................34
3.7
I2C Interface........................................................................................................................34
3.8 SPI Interface ........................................................................................................................35
3.9 Network status .....................................................................................................................35
3.10 ADC interface ..................................................................................................................37
LDO output ......................................................................................................................37
3.11
3.12
RFGRFC Interface ...........................................................................................................38
3.5.1
3.6.1
3.6.2
4 RF Specifications ......................................................................................................................39
4.1 LTE RF Specifications ........................................................................................................39
Table 17: Conducted transmission power ......................................................................................39
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4.2 LTE Antenna Design Guide ................................................................................................44
4.3 GNSS ..................................................................................................................................45
4.3.1 GNSS Technical specification ......................................................................................45
4.3.2 GNSS Application Guide .............................................................................................45
4.4 RF traces note ......................................................................................................................47
4.4.1 RF traces layout ............................................................................................................47
4.4.2 LTE ANT and other system ANT decoupling ..............................................................48
5 Electrical Specifications ...........................................................................................................49
5.1 Absolute maximum ratings .................................................................................................49
5.2 Operating conditions ...........................................................................................................50
5.3 Operating Mode ..................................................................................................................51
5.3.1 Operating Mode Definition ..........................................................................................51
5.3.2
Sleep mode ...................................................................................................................52
5.3.3 Minimum functionality mode and Flight mode ............................................................52
5.3.4
Power Saving Mode (PSM) ..........................................................................................53
5.3.5 Extended Mode DRX (e-DRX) ....................................................................................53
5.4 Current Consumption ..........................................................................................................54
5.5 ESD Notes ...........................................................................................................................57
6 SMT Production Guide ...........................................................................................................58
6.1 Top and Bottom View of SIM7080G ..................................................................................58
6.2 Label Information ................................................................................................................59
6.3 Typical SMT Reflow Profile ...............................................................................................60
6.4 Moisture Sensitivity Level (MSL) ......................................................................................61
6.5 Baking .................................................................................................................................62
6.6 Stencil Foil Design Recommendation .................................................................................63
7 Packaging ..................................................................................................................................64
7.1 Tray packaging ....................................................................................................................64
Appendix ..........................................................................................................................................67
A. Reference Design ......................................................................................................................67
B. Design check list .......................................................................................................................68
C. Coding Schemes and Maximum Net Data Rates over Air Interface.........................................70
D. Related Documents ...................................................................................................................71
E. Terms and Abbreviations ..........................................................................................................72
F. Safety Caution ...........................................................................................................................74
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Table Index
Table 1: SIM7080G frequency bands and air interface ........................................................................................ 9
Table 2: General features ................................................................................................................................... 12
Table 3: Pin definition ........................................................................................................................................ 14
Table 4: IO parameters definition....................................................................................................................... 15
Table 5: Pin description ...................................................................................................................................... 15
Table 6: VBAT pins electronic characteristic ..................................................................................................... 21
Table 7: Recommended TVS diode list .............................................................................................................. 22
Table 8: Power on timing and electronic characteristic ...................................................................................... 25
Table 9: Power off timing and electronic characteristic ..................................................................................... 26
Table 10: UART electronic characteristic .......................................................................................................... 28
Table 11: SIM electronic characteristic in 1.8V mode (SIM_VDD=1.8V) ........................................................ 31
Table 12: PCM format........................................................................................................................................ 32
Table 13: PCM timing parameters ..................................................................................................................... 33
Table 14: NETLIGHT pin status ........................................................................................................................ 36
Table 15: ADC electronic characteristics ........................................................................................................... 37
Table 16: Electronic characteristic ..................................................................................................................... 37
Table 17: Conducted transmission power .......................................................................................................... 39
Table 18: Maximum Power Reduction (MPR) for UE category NB2&M1 Power Class 5 ................................ 40
Table 19: Operating frequencies ........................................................................................................................ 40
Table 20: E-UTRA operating bands ................................................................................................................... 41
Table 21: Conducted receive sensitivity ............................................................................................................. 41
Table 22: CAT-M1 Reference sensitivity (QPSK) .............................................................................................. 42
Table 23: CAT-NB2 Reference sensitivity (QPSK) ............................................................................................ 43
Table 24: Trace loss ........................................................................................................................................... 44
Table 25: Recommended TVS ........................................................................................................................... 44
Table 26: Absolute maximum ratings ................................................................................................................. 49
Table 27: Recommended operating ratings ........................................................................................................ 50
Table 28: 1.8V Digital I/O characteristics* ........................................................................................................ 50
Table 29: Operating temperature ........................................................................................................................ 50
Table 30: Operating mode Definition ................................................................................................................. 51
Table 31: Current consumption on VBAT Pins (VBAT=3.8V) .......................................................................... 54
Table 32: The ESD performance measurement table (Temperature: 25℃, Humidity: 45%.) ............................ 57
Table 33: The description of label information .................................................................................................. 59
Table 34: Moisture Sensitivity Level and Floor Life ......................................................................................... 61
Table 35: Baking conditions............................................................................................................................... 62
Table 36: Tray size ............................................................................................................................................. 65
Table 37: Small Carton size ............................................................................................................................... 65
Table 38: Big Carton size ................................................................................................................................... 66
Table 39: Schematic Check List ......................................................................................................................... 68
Table 40: PCB Layout Check List...................................................................................................................... 68
Table 41: Coding Schemes and Maximum Net Data Rates over Air Interface ................................................... 70
Table 42: Related Documents ............................................................................................................................ 71
Table 43: Terms and Abbreviations .................................................................................................................... 72
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Table 44: Safety Caution .................................................................................................................................... 74
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Figure Index
Figure 1: SIM7080G block diagram .................................................................................................................. 11
Figure 2: Pin assignment overview .................................................................................................................... 13
Figure 3: Dimensions (Unit: mm) ...................................................................................................................... 19
Figure 4: Footprint recommendation (Unit: mm) ............................................................................................... 20
Figure 5: Power supply application circuit......................................................................................................... 21
Figure 6: power supply reference circuit ............................................................................................................ 22
Figure 7: Reference power on/off circuit ........................................................................................................... 24
Figure 8: Power on timing sequence .................................................................................................................. 24
Figure 9: Power off timing sequence ................................................................................................................. 26
Figure 10: UART full modem ............................................................................................................................ 27
Figure 11: UART null modem............................................................................................................................ 28
Figure 12: Reference circuit of level shift .......................................................................................................... 28
Figure 13: RI behaviour（SMS and URC report） ........................................................................................... 29
Figure 14: USB reference circuit ....................................................................................................................... 30
Figure 15: SIM interface reference circuit ......................................................................................................... 31
Figure 16: PCM_SYNC timing .......................................................................................................................... 32
Figure 17: External codec to module timing ...................................................................................................... 32
Figure 18: Module to external codec timing ...................................................................................................... 33
Figure 19: Audio codec reference circuit ........................................................................................................... 34
Figure 20: I2C reference circuit ......................................................................................................................... 34
Figure 21: SPI master mode circuit .................................................................................................................... 35
Figure 22: SPI slave mode circuit ...................................................................................................................... 35
Figure 23: NETLIGHT reference circuit ............................................................................................................ 36
Figure 24：Power on sequence of the VDD_EXT ............................................................................................ 37
Figure 25：RFGRFC interface reference circuit ............................................................................................... 38
Figure 26: Antenna matching circuit (MAIN_ANT) .......................................................................................... 44
Figure 27: Active antenna circuit ....................................................................................................................... 45
Figure 28: Passive antenna circuit (Default) ...................................................................................................... 46
Figure 29: RF trace should be far away from other high speed signal lines ....................................................... 47
Figure 30: The distance between GND to the inner conductor of SMA ............................................................. 48
Figure 31: e-DRX diagrammatic sketch ............................................................................................................. 53
Figure 32: Top and bottom view of SIM7080G ................................................................................................. 58
Figure 33: Label information ............................................................................................................................. 59
Figure 34: The ramp-soak-spike reflow profile of SIM7080G ........................................................................... 60
Figure 35: stencil recommendation (Unit: mm) ................................................................................................. 63
Figure 36: packaging diagram ............................................................................................................................ 64
Figure 37: Tray drawing ..................................................................................................................................... 64
Figure 38: Small carton drawing ........................................................................................................................ 65
Figure 39: Big carton drawing ........................................................................................................................... 65
Figure 40: Reference design .............................................................................................................................. 67
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Revision History
Data
Version Description of change
2019-05-31
1.00
Original
2019-08-28
1.01
1. Update GNSS Passive antenna circuit and Galileo
Frequency.
2. Update GRFC dedicated signals lines to control the
antenna tuner.
2019-10-11
1.02
1. Update Figure 1.
2. Update power consumption data.
Author
Hongjun Tu
Lijuan Yin
Hongjun Tu
Xianjing Zhao
Hongjun Tu
Xianjing Zhao
2019-12-25
1.03
1. Update power consumption data.
2. Update GNSS test data and CAT-M B66&85’s
sensitivity
Hongjun Tu
Xianjing Zhao
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