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Summary of Contents for SimCom SIM7000
- Page 1 SIM7000 _Hardware Design_V1.04...
- Page 2 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...
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Page 3: Table Of Contents
PCM timing ........................34 3.6.2 PCM Application Guide ....................36 I2C Interface........................36 Network status ........................37 Other interface ........................38 3.9.1 ADC ..........................38 3.9.2 LDO ..........................38 RF Specifications ........................39 GSM/LTE RF Specifications ....................39 GSM/LTE Antenna Design Guide ..................42 GNSS ..........................43 2018-1-31 SIM7000 _Hardware Design _V1.04... - Page 4 5.3.5 Extended Mode DRX (e-DRX) ..................51 Current Consumption ......................52 ESD Notes ...........................54 SMT Production Guide ......................55 Top and Bottom View of SIM7000 ..................55 Label Information ........................56 Typical SMT Reflow Profile ....................57 Moisture Sensitivity Level (MSL) ..................58 Baking ..........................59 Stencil Foil Design Recommendation .................60 Packaging ..........................61...
- Page 5 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 .....................
- Page 6 Smart Machine Smart Decision Table 45: Terms and Abbreviations ........................71 Table 46: Safety Caution ............................ 73 2018-1-31 SIM7000 _Hardware Design _V1.04...
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Page 7: Figure Index
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) .................... -
Page 8: Revision History
6. Delete the recommended type of SIM card socket. Li ya 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 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 9: Introduction
Introduction This document describes the electronic specifications, RF specifications, interfaces, mechanical characteristics and testing results of the SIMCom SIM7000 series module. With the help of this document and other SIM7000 series software application notes/user guides, users can understand and use SIM7000 series module to design and develop applications quickly. -
Page 10: Product Outline
Product Outline The SIM7000 series modules support LTE CAT-M1、 LTE CAT-NB1、GPRS and EDGE. The physical dimension of SIM7000 is 24 × 24 × 2.6mm mm. And the physical dimension is compatible with the packaging of SIM900, SIM800 and SIM800F. Table 1: SIM7000 frequency bands and air interface... -
Page 11: Hardware Interface Overview
The interfaces are described in detail in the next chapters include: Power Supply ● USB Interface ● UART Interface ● SIM Interface ● ● LDO Power Output ● PCM Interface ● I2C Interface ● GPIOs ● Antenna Interface ● 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 12: Hardware Block Diagram
Smart Machine Smart Decision Hardware Block Diagram The block diagram of the SIM7000 module is shown in the figure below. GNSS GPIO(s) GNSS Main GPRS/LTE receive RF SWITCH Wireless transmit Base- band Transceiver UART Processor GPRS/LTE RF PA (U) SIM Card... -
Page 13: Functional Overview
9600, 19200, 38400, 57600 UART interface and 115200 bps. Can be used as the AT commands or data stream channel. Support RTS/CTS hardware handshake. USB 2.0 high speed interface. Firmware upgrade Firmware upgrade over USB interface 2018-1-31 SIM7000 _Hardware Design _V1.04... - Page 14 *Note: Module is able to make and receive voice calls, data calls, SMS and make GPRS/EDGE/LTE traffic in -40℃ ~ +85℃. The performance will be reduced slightly from the 3GPP specifications if the temperature is outside the normal operating temperature range and still within the extreme operating temperature range. 2018-1-31 SIM7000 _Hardware Design _V1.04...
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Page 15: Package Information
Smart Machine Smart Decision Package Information Pin Assignment Overview All functions of the SIM7000 will be provided through 68 pads that will be connected to the customers’ platform. The following Figure is the pin assignment of the SIM7000. Figure 2: Pin assignment overview 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 16: Table 3: Pin Definition
NRESET MDM_LOG_TX USB_VBUS USB_DP USB_DM SIM_VDD SIM_DATA SIM_CLK SIM_RST SIM_DET I2C_SDA I2C_SCL GPIO4 GPIO1/UART3_RXD GPIO0/UART3_TXD NETLIGHT GNSS_ANT VBAT VBAT VBAT RF_ANT STATUS GPIO2 GPIO3 NOTE: Before the normal power up, BOOT_CFG cannot be pulled up. 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 17: Pin Description
18、29、 39、45、 46、54、 Ground 58、59、 61、62、 63、64、 System Control System power on/off control The level is 0.8V when PWRKEY DI,PU input, active low. The efficient this PIN is floating; input level must be below 0.5V. 2018-1-31 SIM7000 _Hardware Design _V1.04... - Page 18 I2C interface If unused, keep open, I2C_SDA I2C clock output or else pull them up via 2.2KΩ resistors to I2C_SCL I2C data input/output the VDD_EXT. PCM interface PCM_CLK PCM data bit clock. If unused, please keep 2018-1-31 SIM7000 _Hardware Design _V1.04...
- Page 19 43、 44、 47、 51、 Note: Please reserve a test point for BOOT_CFG, VDD_EXT and MDM_LOG_TX. If there is no USB connector, please also reserve a test point for USB_VBUS, USB_DP, and USB_DM for Firmware upgrade. 2018-1-31 SIM7000 _Hardware Design _V1.04...
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Page 20: Mechanical Information
Mechanical Information The following figure shows the package outline drawing of SIM7000. Figure 3: Dimensions (Unit: mm) -
Page 21: Footprint Recommendation
Smart Machine Smart Decision Footprint Recommendation Figure 4: Footprint recommendation (Unit: mm) 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 22: Interface Application
Module power peak current in CAT-M1 and NB-IoT emission mode. Module power average current in normal mode VBAT(average) Please refer to the chapter 5.4 Power supply current in sleep mode VBAT(sleep) Module power current in power off mode. VBAT(power-off) 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 23: Power Supply Design Guide
The following figure shows the linear regulator reference circuit with 5V input and 3.8V output. But this linear regulator has a minimum load current, and it is even bigger than 7mA. So if users care the system power consumption very much, it is not recommended to use. 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 24: Voltage Monitor
4.4V or under 2.9V, module will be power off. Note: Under-voltage warning function and under-voltage power-off function are disabled by default. For more information about these AT commands, please refer to Document [1]. 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 25: Power On/Power Off/Reset Function
3.2.1 Power on SIM7000 can be powered on by pulling the PWRKEY pin to ground. The PWRKEY pin has been pulled up with a diode to 1.8V internally, so it does not need to be pulled up externally. It is strongly recommended to put a 100nF capacitor and an ESD protection diode close to the PWRKEY pin, as it would strongly enhance the ESD performance of PWRKEY pin. -
Page 26: Power Off
Input low level voltage on PWRKEY pin -0.3 3.2.2 Power off The following methods can be used to power off SIM7000. Method 1: Power off SIM7000 by pulling the PWRKEY pin to ground. ● Method 2: Power off SIM7000 by AT command AT+CPOWD=1 “... -
Page 27: Table 9: Power Off Timing And Electronic Characteristic
*Note: The STATUS pin can be used to detect whether module is powered on or not. When module has been powered on and firmware goes ready, STATUS will be high level, or else STATUS will still low level. 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 28: Reset Function
Smart Machine Smart Decision 3.2.3 Reset Function SIM7000 can be reset by pulling the RESET pin to ground. Note: This function is only used as an emergency reset. The RESET pin will be ineffectiveness in the power off mode. The RESET pin has been pulled up to 1.8V with a 40KΩ resistor internally. So it does not need to be pulled up externally. -
Page 29: Uart Interface
RXD. This UART interface can’t use as AT port or data transmission. It is only used as UART in DAM application when secondary development. SIM7000 support high speed UART, the baud rate is up to 4Mbps. The communication baud rates include:0,300,600,1200,2400,4800,9600,19200,38400,57600,115200,230400,921600,2000000 ,300 0000,3200000,3686400 bps. -
Page 30: Ri And Dtr Behavior
UART output low level voltage 0.45 The SIM7000 UART is 1.8V voltage interface. If user’s UART application circuit is 3.3V voltage interface, the level shifter circuits should be used for voltage matching. The following figure shows the voltage matching reference design. -
Page 31: Usb Interface
In sleep mode, the UART is unavailable. When SIM7000 enters sleep mode, pulling down DTR can wake up module. After setting the AT command “AT+CSCLK=0”, SIM7000 will do nothing when the DTR pin is pulling up. -
Page 32: Sim Interface
Smart Machine Smart Decision SIM Interface SIM7000 supports both 1.8V and 3.0V SIM Cards. Table 12: SIM electronic characteristic in 1.8V mode (SIM_VDD=1.8V) Symbol Parameter Min. Typ. Max. Unit SIM_V LDO power output voltage 1.75 1.95 High-level input voltage 0.65*SIM_VDD SIM_VDD +0.3... -
Page 33: Sim Application Guide
Users can enable it by AT comment “AT+CSDT”. And the Interruption direction can be set by AT comment “AT+CSPOL”. Note For more details of AT commands about “AT+CSDT” and “AT+CSPOL”, please refer to ： document [1] 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 34: Pcm Interface
PCM Interface SIM7000 provides a PCM interface for external codec, which can be used in master mode with short sync and 16 bits linear format. Table 14: PCM format Characteristics Specification Line Interface Format (Fixed) Linear Data length 16bits(Fixed) PCM Clock/Sync Source... - Page 35 T(sudin) – – PCM_CLK PCM_IN hold time after falling edge of T(hdin) – – PCM_CLK T(pdout) Delay from PCM_CLK rising to PCM_OUT valid – – Delay from PCM_CLK falling to PCM_OUT T(zdout) – – HIGH-Z 2018-1-31 SIM7000 _Hardware Design _V1.04...
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Page 36: Pcm Application Guide
Figure 22: Audio codec reference circuit I2C Interface SIM7000 provides an I2C interface compatible with I2C specification, version 5.0, with clock rate up to 400 kbps. Its operation voltage is 1.8V. The following figure shows the I2C bus reference design. -
Page 37: Network Status
Data transmit (PPP dial-up state and use of data services such as 64ms ON, 300ms OFF internal TCP/FTP/HTTP) Power off or PSM mode Note: NETLIGHT output low level as “OFF” and high level as “ON”. 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 38: Other Interface
Other interface 3.9.1 SIM7000 has a dedicated ADC pin. It is available for digitizing analog signals such as battery voltage and so on. Its input voltage range is from 0V to VBAT. That is the maximum measurement range of ADC cannot exceed the input voltage of VBAT (3V~4.3V). When the voltage of the VBAT is reduced during use, the range of ADC will also be reduced. -
Page 39: Rf Specifications
Tones allocation ≤ 0.5 dB 0 dB ≤ 0.5 dB Tone positions for 6 0-5 and 6-11 Tones allocation ≤ 1 dB ≤ 1 dB Tone positions for 12 0-11 Tones allocation ≤ 2 dB 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 40: Table 21: Operating Frequencies
703 ~748 MHz 758 ~803 MHz HD-FDD 1880 ~1920 MHz 1880 ~1920 MHz Table 23: Conducted receive sensitivity Frequency Receive sensitivity(Typical) Receive sensitivity(MAX) EGSM900 < -109dBm 3GPP DCS1800 < -109dBm 3GPP LTE FDD/TDD Refers to Table 23 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 41: Table 24: Cat-M1 Reference Sensitivity (Qpsk)
Table 25: CAT-NB1 Reference sensitivity (QPSK) REFSENS REFSENS REFSENS Typical Operating band (dBm) 3GPP Typical(dBm) Repeated 7/128 Request [EPRE dBm/15KHz] 1, 2, 3, 4,5, 8, 12, 13, 17, 18, 19, 20, 26, 28 -108.2 -114 -145 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 42: Gsm/Lte Antenna Design Guide
Users should connect antennas to SIM7000’s antenna pads through micro-strip line or other types of RF trace and the trace impedance must be controlled in 50Ω. SIMCom recommends that the total insertion loss between the antenna pads and antennas should meet the following requirements:... -
Page 43: Gnss
4.3.2 GNSS Application Guide Users can adopt an active antenna or a passive antenna to SIM7000. If using a passive antenna, an external LNA is a must to get better performance. The following figures are the reference circuits. 10 ohm... - Page 44 NMEA sentences include GSV, GGA, RMC, GSA, and VTG. Before using GNSS, user should configure SIM7000 in proper operating mode by AT command. Please refer to related documents for details. SIM7000 can also get position location information through AT directly.
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Page 45: Rf Traces Note
There should be some distance from The GND to the inner conductor of the SMA connector. It is better to keep out all the layers from inner to the outer conductor. Figure 30: The distance between GND to the inner conductor of SMA 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 46: Lte Ant And Other System Ant Decoupling
Keep the decoupling of LTE main ANT to WLAN ANT more than 15dB Keep the decoupling of LTE main ANT to GNSS ANT more than 30dB Note: The decoupling value can be provided by ANT adventure. More details can refer to the document [22]. 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 47: Electrical Specifications
Smart Machine Smart Decision Electrical Specifications Absolute maximum ratings Absolute maximum rating for digital and analog pins of SIM7000 are listed in the following table: Table 28: Absolute maximum ratings Parameter Min. Typ. Max. Unit Voltage on VBAT -0.3 Voltage on USB_VBUS -0.3... -
Page 48: Operating Conditions
*Note: These parameters are for digital interface pins, such as GPIOs (including NETLIGHT, STATUS, SIM_DET), I2C, UART, PCM, MDM_LOG_TX and BOOT_CFG. The operating temperature of SIM7000 is listed in the following table. Table 31: Operating temperature Parameter Min. -
Page 49: Operating Mode
Operating Mode 5.3.1 Operating Mode Definition The table below summarizes the various operating modes of SIM7000 product. Table 32: Operating mode Definition Mode Function In this case, the current consumption of module will be reduced to the GPRS/EDGE /LTE minimal level and the module can still receive paging message and Sleep SMS. -
Page 50: Sleep Mode
In this case, the serial port and USB are still accessible, but RF function and SIM card will be unavailable. If SIM7000 has been set to flight mode, the RF function will be closed. In this case, the serial port and USB are still accessible, but RF function will be unavailable. -
Page 51: Extended Mode Drx (E-Drx)
So that can reduce power consumption for module. If e-DRX is supported by the network, then it can be enabled by “AT+CEDRXS” command. Note: For details about “AT+CEDRXS”, please refer to Document [1]. 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 52: Current Consumption
Current Consumption The current consumption is listed in the table below. Table 33: Current consumption on VBAT Pins (VBAT=3.8V) GNSS GNSS supply current Tracking, typical: 30mA (AT+CFUN=0,without USB connection) In DPO mode, typical: 6mA GSM sleep/idle mode GSM supply current Sleep mode@ BS_PA_MFRMS=2 Typical: 1.7mA Idle mode@ BS_PA_MFRMS=2 Typical: 11.4mA (GNSS off，without USB connection) - Page 53 UL mac padding _15KHZ_1RU_1 subcarrier_23dbm 144.60 mA UL mac padding _3.75KHZ_1RU_1 subcarrier_0dbm 83.84 mA UL mac padding _3.75KHZ_1RU_1 subcarrier_10dbm 101.37 mA UL mac padding _3.75KHZ_1RU_1 subcarrier_23dbm 248.67 mA UL mac padding _15KHZ_12subcarrier_23dbm 93mA DL mac padding _15KHZ_12subcarrier_23dbm 68.4mA 2018-1-31 SIM7000 _Hardware Design _V1.04...
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Page 54: Esd Notes
SIM7000 is sensitive to ESD in the process of storage, transporting, and assembling. When SIM7000 is mounted on the users’ mother board, the ESD components should be placed beside the connectors which human body may touch, such as SIM card holder, audio jacks, switches, keys, etc. -
Page 55: Smt Production Guide
Smart Machine Smart Decision SMT Production Guide Top and Bottom View of SIM7000 Figure 32: Top and bottom view of SIM7000 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 56: Label Information
Smart Machine Smart Decision Label Information Figure 33: Label information Table 35: The description of label information Description LOGO No.1 Pin Project name Product code Serial number International mobile equipment identity QR code 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 57: Typical Smt Reflow Profile
Smart Machine Smart Decision Typical SMT Reflow Profile SIMCom provides a typical soldering profile. Therefore the soldering profile shown below is only a generic recommendation and should be adjusted to the specific application and manufacturing constraints. Figure 34: The ramp-soak-spike reflow profile of SIM7000 Note: For more details about secondary SMT, please refer to the document [19]. -
Page 58: Moisture Sensitivity Level (Msl)
Moisture Sensitivity Level (MSL) SIM7000 is qualified to Moisture Sensitivity Level (MSL) 4 in accordance with JEDEC J-STD-033. The following table shows the features of Moisture Sensitivity Level (MSL). After seal off, storage conditions must meet the following table. If the storage time was expired, module must be baking before SMT. -
Page 59: Baking
Baking In order to get better yield, the module need to bake before SMT. If the packaging is in perfect condition, the module which date of production is within six months has no use for baking. If the date of production is more than six months, the module must be baking. -
Page 60: Stencil Foil Design Recommendation
Stencil Foil Design Recommendation The recommended thickness of stencil foil is 0.15mm. Figure 35: stencil recommendation (Unit: mm) -
Page 61: Packaging
Smart Machine Smart Decision Packaging Tray packaging SIM7000 module support tray packaging . Figure 36: packaging diagram Module tray drawing： Figure 37: Tray drawing 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 62: Table 38: Tray Size
Table 38: Tray size Length（±3mm） Width（±3mm） Module number 242.0 161.0 Small carton drawing： Figure 38: Small carton drawing Table 39: Small Carton size Length（±10mm） Width（±10mm） Height（±10mm） Module number 20*20=400 Big carton drawing： Figure 39: Big carton drawing 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 63: Table 40: Big Carton Size
Smart Machine Smart Decision Table 40: Big Carton size Length（±10mm） Width（±10mm） Height（±10mm） Module number 400*4=1600 2018-1-31 SIM7000 _Hardware Design _V1.04... -
Page 64: Appendix
Appendix A. Reference Design Refer to < SIM7000 Reference Design V1.01> for the details. RF Antenna GNSS Antenna LXES15AAA1-153 R 101 RF_ANT GNSS_ ANT C 108 L 101 L 102 33pF C 106 C 107 R 109 Power supply VBAT... -
Page 65: Design Check List
RF trace and so on. Insure DM/DP trace is differential routing, and differential impedance is 90 ohm. Insure ADC trance is protected by GND. Insure SIM card signal trance is protected by GND. Especially SIM_CLK must be protected 2018-1-31 SIM7000 _Hardware Design _V1.04... - Page 66 GND side of the RF output pin should be non hot welding disk The routing which is RF output PIN to antenna should be isolated from other high-speed lines. And the routing should be 50Ωimpedance control. 2018-1-31 SIM7000 _Hardware Design _V1.04...
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Page 67: Coding Schemes And Maximum Net Data Rates Over Air Interface
C. Coding Schemes and Maximum Net Data Rates over Air Interface Table 43: Coding Schemes and Maximum Net Data Rates over Air Interface Multi slot definition(GPRS/EDGE) Slot class DL slot number UL slot number Active slot number Max data rata（4 slots） GPRS coding scheme Modulation type CS 1 = 9.05 kb/s / time slot... - Page 68 Smart Machine Smart Decision Category 2 25Mbps QPSK/16QAM Category 3 50Mbps QPSK/16QAM Category 4 50Mbps QPSK/16QAM 2018-1-31 SIM7000 _Hardware Design _V1.04...
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Page 69: Related Documents
Smart Machine Smart Decision D. Related Documents Table 44: Related Documents Title Description SIM7000 Series AT Command AT Command Manual Manual V1.xx GSM 07.07 Digital cellular telecommunications (Phase 2+); AT command set for GSM Mobile Equipment (ME) GSM 07.10 Support GSM 07.10 multiplexing protocol GSM 07.05... - Page 70 IMT cellular networks; Harmonized EN covering the (ETSI TS 136521-1 R13.4.0) essential requirements of article 3.2 of the R&TTE Directive; Part 13 [22] ANTENNA DESIGN Design notice for multi-antenna. GUIDELINES FOR MULTI-ANTENNA SYSTEM V1 01 2018-1-31 SIM7000 _Hardware Design _V1.04...
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Page 71: Terms And Abbreviations
IMEI International Mobile Equipment Identity Long Term Evolution Mobile Originated Mobile Station (GSM engine), also referred to as TE Mobile Terminated NMEA National Marine Electronics Association Password Authentication Protocol PBCCH Packet Switched Broadcast Control Channel 2018-1-31 SIM7000 _Hardware Design _V1.04... - Page 72 SIM last dialing phonebook (list of numbers most recently dialed) Mobile Equipment list of unanswered MT calls (missed calls) SIM (or ME) own numbers (MSISDNs) list Mobile Equipment list of received calls SIM phonebook Not connect 2018-1-31 SIM7000 _Hardware Design _V1.04...
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Page 73: Safety Caution
(e.g. lock functions, fixed dialing etc.). You may have to deactivate those features before you can make an emergency call. Also, some networks require that a valid SIM card be properly inserted in the cellular terminal or mobile. 2018-1-31 SIM7000 _Hardware Design _V1.04... - Page 74 Smart Machine Smart Decision Contact us: Shanghai SIMCom Wireless Solutions Ltd. Add: SIM Technology Building, No.633, Jinzhong Road, Changning District, Shanghai P.R. China 200335 Tel：+86 21 3235 3300 Fax：+86 21 3235 3020 URL：www.simcomm2m.com 2018-1-31 SIM7000 _Hardware Design _V1.04...
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