Manuels d'utilisation pour Shanghai SIMCom Wireless Solutions Limited SIM7000A

Table des matières

• Contents

  4
• Table Index

  6
• Figure Index

  7
• Revision History

  8
• Introduction

  9
• 1.1 Product Outline

  9
• 1.2 Hardware Interface Overview

  10
• 1.3 Hardware Block Diagram

  11
• 1.4 Functional Overview

  12
• Package Information

  14
• 2.1 Pin Assignment Overview

  14
• 2.2 Pin Description

  16
• 2.3 Mechanical Information

  19
• 2.4 Footprint Recommendation

  20
• 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
• RF Specifications

  37
• 4.1 LTE CAT-M1RF Specifications

  37
• 4.2 LTE CAT-M1Antenna Design Guide

  40
• 4.3 GNSS

  41
• 4.3.1 GNSS Technical specification

  41
• 4.3.2 GNSS Application Guide

  42
• Electrical Specifications

  44
• 5.1 Absolute maximum ratings

  44
• 5.2 Operating conditions

  44
• 5.3 Operating Mode

  45
• 5.3.1 Operating Mode Definition

  45
• 5.3.2 Sleep mode

  46
• 5.3.3 Minimum functionality mode and Flight mode

  46
• 5.4 Current Consumption

  47
• 5.5 ESD Notes

  48
• SMT Production Guide

  49
• 6.1 Top and Bottom View of SIM7000

  49
• 6.2 Label Information

  50
• 6.3 Typical SMT Reflow Profile

  51
• 6.4 Moisture Sensitivity Level (MSL)

  51
• 6.5 Stencil Foil Design Recommendation

  52
• Packaging

  53
• 7.1 tray packaging

  53
• Appendix

  56
• A. Reference Design

  56
• C. Related Documents

  57
• D. Terms and Abbreviations

  59
• E. Safety Caution

  61
• Table 1: SIM7000 frequency bands and air interface

  9
• Table 2: General features

  12
• Table 3: Pin definition

  15
• Table 4: IO parameters definition

  16
• Table 5: Pin description

  16
• Table 6: VBAT pins electronic characteristic

  21
• Table 7: Recommended Zener diode list

  22
• Table 8: Power on timing and electronic characteristic

  25
• Table 9: Power off timing and electronic characteristic

  26
• Table 10: RESET pin electronic characteristic

  27
• Table 11: SIM electronic characteristic in 1.8V mode (SIM_VDD=1.8V)

  30
• Table 12: SIM electronic characteristic 3.0V mode (SIM_VDD=2.95V)

  30
• Table 13: Amphenol SIM socket pin description

  31
• Table 14: PCM format

  32
• Table 15: PCM timing parameters

  33
• Table 16: NETLIGHT pin status

  35
• Table 17: ADC electronic characteristics

  35
• Table 18: Electronic characteristic

  36
• Table 19: Conducted transmission power

  37
• Table 20: Operating frequencies

  37
• Table 21: E-UTRA operating bands

  38
• Table 22: Conducted receive sensitivity

  38
• Table 23: CAT-M1 Reference sensitivity (QPSK)

  39
• Table 25: Trace loss

  40
• Table 27: Absolute maximum ratings

  44
• Table 28: Recommended operating ratings

  44
• Table 29: 1.8V Digital I/O characteristics*

  44
• Table 30: Operating temperature

  45
• Table 31: Operating mode Definition

  45
• Table 32: Current consumption on VBAT Pins (VBAT=3.8V)

  47
• Table 34: The ESD performance measurement table (Temperature: 25℃, Humidity: 45%)

  48
• Table 35: The description of label information

  50
• Table 36: Moisture Sensitivity Level and Floor Life

  51
• Table 37: Tray size

  54
• Table 38: Small Carton size

  54
• Table 39: Big Carton size

  55
• Table 40: Related Documents

  57
• Table 41: Terms and Abbreviations

  59
• Table 42: Safety Caution

  61
• Figure 1: SIM7000 block diagram

  11
• Figure 2: Pin assignment overview

  14
• Figure 3: Dimensions (Unit: mm)

  19
• Figure 4: Footprint recommendation (Unit: mm)

  20
• Figure 5: VBAT voltage drop during burst emission (GSM/GPRS)

  21
• Figure 6: Power supply application circuit

  22
• Figure 7: Linear regulator reference circuit

  23
• Figure 8: Switching mode power supply reference circuit

  23
• Figure 9: Reference power on/off circuit

  24
• Figure 10: Power on timing sequence

  24
• Figure 11: Power off timing sequence

  25
• Figure 12: Reference reset circuit

  26
• Figure 13: UART full modem

  27
• Figure 14: UART null modem

  27
• Figure 15: Reference circuit of level shift

  28
• Figure 16: RI behaviour（SMS and URC report）

  28
• Figure 17: RI behaviour（voice call）

  29
• Figure 18: USB reference circuit

  29
• Figure 19: SIM interface reference circuit

  30
• Figure 20: Amphenol SIM card socket

  31
• Figure 21: PCM_SYNC timing

  32
• Figure 22: External codec to module timing

  32
• Figure 23: Module to external codec timing

  33
• Figure 24: Audio codec reference circuit

  34
• Figure 25: I2C reference circuit

  34
• Figure 26: NETLIGHT reference circuit

  35
• Figure 27：Power on sequence of the VDD_EXT

  36
• Figure 28: Antenna matching circuit (MAIN_ANT)

  41
• Figure 29: Active antenna circuit

  42
• Figure 30: Passive antenna circuit (Default)

  42
• Figure 31: Top and bottom view of SIM7000

  49
• Figure 32: Label information

  50
• Figure 33: The ramp-soak-spike reflow profile of SIM7000

  51
• Figure 34: packaging diagram

  53
• Figure 35: Tray drawing

  54
• Figure 36: Small carton drawing

  54
• Figure 37: Big carton drawing

  54
• Figure 38: Reference design

  56