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SIM Tech SimCom SIM7100 Hardware Design

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  • Page 1: Sim7100_Hardware Design_V1.01

    SIM7100_Hardware Design_V1.01...

  • Page 2: General Notes

    Smart Machine Smart Decision SIM7100 Hardware Design Document Title 1.01 Version 2015-01-20 Date Released Status SIM7100_Hardware Design_V1.01 Document Control ID General Notes SIMCom offers this information as a service to its customers, to support application and engineering efforts that use the products designed by SIMCom. The information provided is based upon requirements specifically provided to SIMCom by the customers.

  • Page 3: Table Of Contents

    Smart Machine Smart Decision Contents SIM7100_Hardware Design_V1.01......................1  General Notes............................... 2  Copyright ..............................2  Copyright © Shanghai SIMCom Wireless Solutions Ltd. 2015 ..............2  Contents................................ 3  Table Index..............................6  Figure Index ..............................7  Revision History ............................8  1  Introduction ............................9  1.1 ...
  • Page 4 Smart Machine Smart Decision 3.7  SD Interface ........................... 38  3.7.1  SD Design guide ........................39  3.8  I2C Interface ..........................39  3.8.1  I2C Design Guide ........................39  3.9  Keypad Interface..........................40  3.9.1  Keypad Application Guide...................... 40  3.10  SPI Interface..........................41  3.11  Network status..........................

  • Page 5: Sim7100_Hardware Design_V1.01

    Smart Machine Smart Decision E. Safety Caution ............................. 73  Contact us: ..............................74  Shanghai SIMCom Wireless Solutions Ltd..................... 74  SIM7100_Hardware Design_V1.01 2015-01-20...
  • Page 6 Smart Machine Smart Decision Table Index Table 1: SIM7100 series frequency bands......................... 9   Table 2: General Feature ..............................11   Table 3: Pin definition..............................15   Table 4: IO Parameters Definition ..........................16   Table 5: Pin description..............................16  ...
  • Page 7 Smart Machine Smart Decision Figure Index Figure 1: SIM7100 Functional Architecture ........................11   Figure 2: Pin view................................14   Figure 3: Top dimensions (Unit: mm) ..........................21   Figure 4: Side dimensions (Unit: mm) ..........................22   Figure 5: Bottom dimensions (Unit: mm) ........................23  ...

  • Page 8: Revision History

    Smart Machine Smart Decision Revision History Data Version Description of change Author Yang Hongliang 2015-01-20 1.01 Original Li Ya SIM7100_Hardware Design_V1.01 2015-01-20...

  • Page 9: 1  Introduction

    This document describes electronic specifications, RF specifications, function interface, mechanical characteristic and testing results of the SIMCom SIM7100 module. With the help of this document and other SIM7100 software application notes/user guides, users can understand and use SIM7100 module to design and develop applications quickly.

  • Page 10: Hardware Interface Overview

    Smart Machine Smart Decision LTE-FDD B5   LTE-FDD B7    LTE-FDD B8     LTE-FDD  LTE-FDD  LTE-FDD  LTE-FDD  LTE-FDD       LTE-TDD      ...

  • Page 11: Hardware Diagram

    Smart Machine Smart Decision ● SPI Interface ● I2C Interface Hardware Diagram The global architecture of the SIM7100 Embedded module is described in the figure below. Figure 1: SIM7100 Functional Architecture Functional Overview Table 2: General Feature Feature Implementation Power supply Single supply voltage 3.4～4.3V Power Save mode <5mA...
  • Page 12 Smart Machine Smart Decision  Class 2 (0.25W): TD-SCDMA LTE:  Class 3 (0.25W): LTE  GPRS multi-slot class 12  EDGE multi-slot class 12  UMTS R99 speed: 384 kbps DL/UL  HSPA+: 5.76 Mbps(UL), 42 Mbps(DL) Connectivity Speed ...
  • Page 13 Smart Machine Smart Decision  Normal operation temperature: -30°C to +80°C Temperature range  Extended operation temperature: -40°C to +85°C*  Storage temperature -45°C to +90°C *Note: Module is able to make and receive voice calls, data calls, SMS and make GPRS/WCDMA/HSPA+/LTE traffic in -40℃...

  • Page 14: 2  Package Information

    Smart Machine Smart Decision Package Information Pin Configuration All hardware interfaces which connect SIM7100 to customers’ application platform are through 87 pins pads (Metal half hole). Figure 2 is SIM7100 outline diagram. BOOT_CFG0 AUX_ANT PWRKEY RESET SPI_CLK FLIGHTMODE SPI_MISO SPI_MOSI USIM_DET SIM7100 GPIO41...

  • Page 15: Table 3: Pin Definition

    Smart Machine Smart Decision Table 3: Pin definition Pin No. Define Pin No. Define PWRKEY RESET SPI_CLK SPI_MISO SPI_MOSI SPI_CS USB_VBUS USB_DN USB_DP VDD_1V8 USB_ID USIM_DATA USIM_RST USIM_CLK USIM_VDD SD_CMD SD_DATA0 SD_DATA1 SD_DATA2 SD_DATA3 SD_CLK KBC1 KBC0 KBR0 KBR2 KBC2 KBC3 KBR1 KBR4...

  • Page 16: Pin Description

    Smart Machine Smart Decision PCM_OUT PCM_IN PCM_SYNC PCM_CLK GNSS_ANT MAIN_ANT COEX1 COEX2 BOOT_CFG0 COEX3 BOOT_CFG1 Pin description Table 4: IO Parameters Definition Pin Type Description Power input Power output Analog input Analog input/output Bidirectional input /output Digital input Digital output Digital output with high level Digital output with low level Pull up...
  • Page 17 Smart Machine Smart Decision be compatible with SIM5360. LDO power output for SD card circuit or other external circuit with If unused, please keep VDD_EXT Max. 150mA output. Its output open. voltage is Configurable. Recommend placing a 10uF and 100nF 1.8V SMPS output with Max.
  • Page 18 Smart Machine Smart Decision USIM Card data I/O, which has been pulled up with a 20KR resistor to USIM_VDD in module. Do not pull USIM_DATA I/O,PU up or pull down in users’ application circuit. USIM_RST USIM Reset All signals of USIM interface should be protected against USIM_CLK...
  • Page 19 Smart Machine Smart Decision external pull-up 10KΩ I2C data input/output resistors to 1.8V. Keypad interface KBR0 Bit 0 drive to the pad matrix KBR1 Bit 1 drive to the pad matrix KBR2 Bit 2 drive to the pad matrix KBR3 Bit 3 drive to the pad matrix All Keypad pins can KBR4...
  • Page 20 Smart Machine Smart Decision RF interface MAIN _ANT MAIN antenna soldering pad GNSS_ANT GNSS antenna soldering pad AUX_ANT Diversity antenna soldering pad Other interface Current source of ground-referenced ISINK current sink If unused, please keep ADC1 Analog digital converter input 1 open.

  • Page 21: Package Dimensions

    Smart Machine Smart Decision Package Dimensions The following figure shows mechanical dimensions of SIM7100. Figure 3: Top dimensions (Unit: mm) SIM7100_Hardware Design_V1.01 2015-01-20...

  • Page 22: Figure 4: Side Dimensions (Unit: Mm)

    Smart Machine Smart Decision Figure 4: Side dimensions (Unit: mm) SIM7100_Hardware Design_V1.01 2015-01-20...

  • Page 23: Figure 5: Bottom Dimensions (Unit: Mm)

    Smart Machine Smart Decision Figure 5: Bottom dimensions (Unit: mm) SIM7100_Hardware Design_V1.01 2015-01-20...

  • Page 24: Footprint Recommendation

    Smart Machine Smart Decision Footprint Recommendation Figure 6: Footprint recommendation (Unit: mm) SIM7100_Hardware Design_V1.01 2015-01-20...

  • Page 25: 3  Interface Application

    Smart Machine Smart Decision Interface Application Power Supply The power supply pins of SIM7100 include four VBAT pins (pin 62&63, pin 38&39). VBAT directly supplies the power to RF and baseband circuit. VBAT directly supplies the power to RF PA and baseband system.

  • Page 26: Design Guide

    Smart Machine Smart Decision be the best way to reduce the voltage drops, else users must introduce larger capacitor (typical 1000uF) to storage electric power. 3.1.1 Design Guide Make sure that the input voltage at the VBAT pin will never drop below 3.4V even during a transmit burst when the current consumption rises up to more than 2A.

  • Page 27: Recommended Power Supply Circuit

    Smart Machine Smart Decision 3.1.2 Recommended Power supply circuit We recommend DCDC or LDO is used for the power supply of the module, make sure that the peak current of power components can rise up to more than 2A. The following figure is the reference design of +5V input linear regulator power supply.

  • Page 28: Power On/Power Off/Reset Time Sequence

    Smart Machine Smart Decision Note: Under-voltage warning function and under-voltage power-off function are disabled by default. For more information about these AT command, please refer to Document [1]. Power on/Power off/Reset Time Sequence 3.2.1 Power on Sequence SIM7100 can be powered on by pulling PWRKEY pin down to ground. This pin is already pulled up with a 200KΩ...

  • Page 29: Power Off Sequence

    Smart Machine Smart Decision Table 8: Power on timing and Electronic Characteristic Time value Symbol Parameter Unit Min. Typ. Max. The time of active low level impulse on PWRKEY pin to power on module The time from power-on issue to STATUS pin on(status) output high level(indicating power up ready ) The time from power-on issue to UART port ready...

  • Page 30: Reset Function

    Smart Machine Smart Decision Table 9: Power off timing and Electronic Characteristic Time value Symbol Parameter Min. Typ. Max. Unit The time of active low level pulse on PWRKEY pin to power off module The time from power-off issue to STATUS pin output off(status) low level(indicating power off ) The time from power-off issue to UART port off...

  • Page 31: Uart Interface

    Smart Machine Smart Decision Note: ESD components are suggested to be used on RESET pin. Table 10: RESET Pin Electronic Characteristic Symbol Description Min. Typ. Max. Unit The time of active low level impulse on reset RESET pin to reset module Input high level voltage 1.17 Input low level voltage...

  • Page 32: Ri Behavior

    Smart Machine Smart Decision The SIM7100 UART is 1.8V interface. A level shifter should be used if user’s application is equipped with a 3.3V UART interface. The level shifter TXB0108RGYR provided by Texas Instruments is recommended. The reference design of the TXB0108RGYR is in the following figures. VDD_1V8 or 3.3V External 1V8...

  • Page 33: Usb Interface

    Smart Machine Smart Decision status. Initially it keeps high, when a voice call or CSD call comes, the pin “RI” will change to low for about 5900ms, then it will return to high level for 100ms. It will repeat this procedure until this call is answered or hung up.

  • Page 34: Usim Interface

    Smart Machine Smart Decision USIM Interface The USIM provides the required subscription verification information to allow the mobile equipment to attach to a GSM or UMTS network. Both 1.8V and 3.0V SIM Cards are supported. Table 11: USIM Electronic characteristic in 1.8V mode ( USIM_VDD =1.8V) Symbol Parameter Min.

  • Page 35: Recommend Components Of Usim Holder

    Smart Machine Smart Decision Figure 21: USIM interface reference circuit Note: USIM_DATA has been pulled up with a 20KΩ resistor to USIM_VDD in module. A 220nF capacitor on USIM_VDD is used to reduce interference. Use AT Commands to get information in USIM card.

  • Page 36: Pcm Interface

    Smart Machine Smart Decision Figure 22: Amphenol SIM card socket Table 13: Amphenol USIM Socket Pin Description Signal Description USIM_VDD USIM Card Power supply. USIM_RST USIM Card Reset. USIM_CLK USIM Card Clock. Connect to GND. USIM_DATA USIM Card data I/O. PCM Interface SIM7100 provides hardware PCM interface for external codec.

  • Page 37: Table 15: Timing Parameters

    Smart Machine Smart Decision Figure 24: EXT CODEC to MODULE timing Figure 25: MODULE to EXT CODEC timing Table 15: Timing parameters Parameter Description Min. Typ. Max. Unit T(sync) PCM_SYNC cycle time – – μs T(synch) PCM_SYNC high time – –...

  • Page 38: Pcm Application Guide

    Smart Machine Smart Decision Delay from PCM_CLK falling to PCM_OUT T(zdout) – – HIGH-Z 3.6.2 PCM Application Guide The firmware of SIM7100 has integrated the configuration on WM8960GEFL/RV codec provided by WOLFSON MICROELECTRONICS with I2C interface. The reference circuit of the reference design of PCM interfaces with external codec IC in the following figure.

  • Page 39: Sd Design Guide

    Smart Machine Smart Decision Low-level input voltage -0.3 0.25·VDD_EXT VDD_EXT-0.4 2.95 VDD_EXT High-level output voltage Low-level output voltage 0.45 Note: ， ， *Be different from SD_DATA0-SD_DATA3 SD_CLK and SD_CMD SD1_DET is 1.8V operation voltage. **VDD_EXT must be set with 2.95V output. 3.7.1 SD Design guide VDD_EXT can provide power for SD card.

  • Page 40: Keypad Interface

    Smart Machine Smart Decision Figure 28: I2C Reference Circuit Note ： SDA and SCL don’t have pull up resistors in module. So, external pull up resistors are needed in user application circuit. For more details about AT commands please refer to document [1]. Keypad Interface SIM7100 module provides a keypad interface that supports five sense columns, and five keypad rows.

  • Page 41: Spi Interface

    Smart Machine Smart Decision 3.10 SPI Interface The SPI interface of SIM7100 is master only. It provides a duplex, synchronous, serial communication link with peripheral devices. Its operation voltage is 1.8V, with clock rates up to 26 MHz. Note ： For more details about AT commands please refer to document [1].

  • Page 42: Gpio43 Behavior

    Smart Machine Smart Decision Figure 31: Flight Mode Switch Reference Circuit Table 18: FLIGHTMODE Pin Status FLIGHTMODE Pin Status Module operation Input Low Level Flight Mode: RF is closed. Input High Level Normal Mode: RF is working. 3.13 GPIO43 Behavior GPIO43 can be used as wake/interrupt signal to module from host like DTR.

  • Page 43: Pin Multiplex Function

    Smart Machine Smart Decision 3.14 Pin multiplex Function Some pins of SIM7100 could be used for alternate function besides default function. Table 19: Pin multiplex Function List Pin Name Default Function Alternate Function Number NETLIGHT NETLIGHT GPIO1 FLIGHTMODE FLIGHTMODE GPIO4 STATUS STATUS GPIO40...

  • Page 44: Sd2 Interface

    Smart Machine Smart Decision 3.14.1 SD2 Interface Keypad interface can be multiplexed with SD2 interface. SD2 interface is compatible with WLAN (802.11), the operation voltage of which is 1.8V. Table 20: SD2 Pin description Pin name Pin No. Function KBR2 SD2_DATA0 KBC1 SD2_DATA1...

  • Page 45: Adc

    Smart Machine Smart Decision VBAT Pin 45 is VBAT tolerant- Passive suitable for driving white device LEDs ISINK High current MODULE Current Controls Figure 32: ISINK Reference Circuit Note: The sinking current can be adjusted to meet design requirement through the AT command “AT+ CLEDITST =<0>, <value>”.The “value”...

  • Page 46: Ldo

    Smart Machine Smart Decision 3.15.3 LDO SIM7100 has a LDO power output, namely VDD_EXT. The output voltage of VDD_EXT is 0V by default User can switch the LDO on or off by the AT command “AT+CVAUXS” and configure its output voltage by the AT command “AT+CVAUXV”.

  • Page 47: 4  Rf Specifications

    Smart Machine Smart Decision 4 RF Specifications GSM/WCDMA/TD-SCDMA/EVDO/LTE RF Specifications Table 24: Conducted transmission power Frequency Power Min. E-GSM900 33dBm ±2dB 5dBm ± 5dB DCS1800 30dBm ±2dB 0dBm ± 5dB E-GSM900 (8-PSK) 27dBm ±3dB 5dBm ± 5dB DCS1800 (8-PSK) 26dBm +3/-4dB 0dBm ±5dB WCDMA B1 24dBm +1/-3dB...

  • Page 48: Table 26: E-Utra Operating Bands

    Smart Machine Smart Decision WCDMA B5 869～894 824～849 WCDMA B6 875～885 830～840 WCDMA B8 925～960 880～915 TDSCDMA 1.9G 1880～1920 MHz 1880～1920 MHz TDSCDMA 2G 2010～2025 MHz 2010～2025 MHz CDMA BC0 824 ～849 869～894 LTE Operating frequencies are shown in following table 26. Note: Operating frequencies of LTE TDD B41 for SIM7100C is 100MHz BW, 2555～2655 MHz GPS L1 BAND 1574.4 ～1576.44 MHz...

  • Page 49: Table 27: Conducted Receive Sensitivity

    Smart Machine Smart Decision 807 MHz~824 MHz 852 MHz~869 MHz 703 MHz~748 MHz 758 MHz~803 MHz 452.5 MHz~457.5 MHz 462.5 MHz~467.5 MHz 1900 MHz~1920 MHz 1900 MHz~1920 MHz 2010 MHz~2025 MHz 2010 MHz~2025 MHz 1850 MHz~1910 MHz 1850 MHz~1910 MHz 1930 MHz~1990 MHz 1930 MHz~1990 MHz 1910 MHz~1930 MHz...
  • Page 50 Smart Machine Smart Decision -100 -93.2 -102.2 -99.2 -94.2 -100 -95.2 -100 -101.7 -98.7 -100 -95.2 -100 -95.2 -91.2 -100 -95.2 -92.2 -104.7 -101.7 -100 -100 -101.2 -98.2 -96.5 -93.5 -91.7 -90.5 -100 -95.2 -100 -95.2 -106.2 -102.2 -100 -95.2 -106.2 -102.2 -100...

  • Page 51: Antenna Design Guide

    Smart Machine Smart Decision Antenna Design Guide SIM7100 provides RF antenna interface. Customer’s antenna should be located in the host board and connected to module’s antenna pad 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 pad and antenna should meet the following requirements: GSM900/GSM850<0.5dB ●...

  • Page 52: Gnss (Gps And Glonass)

    Smart Machine Smart Decision Figure 34: Antenna matching circuit (AUX_ANT) In above figure, R3, C3, C4 and R4 are used for diversity antenna matching. By default, the R3, R4 are 0 Ohm resistors, and the C3, C4 are reserved for tuning. Note: The LTE diversity antenna is suggested to be kept on, for that there are many high bands in the designing of TDD-LTE, such as band38, band40 and band41.

  • Page 53: Gnss Operate Mode

    Smart Machine Smart Decision GNSS antenna Passive/Active antenna There is no power supply on GPS antenna pad, if the antenna is active type, the power should be given by main board. It is suggested either the external LNA or active antenna used. It is not needed for both of them at the same time.

  • Page 54: Figure 35: Active Antenna Circuit

    Smart Machine Smart Decision Figure 35: Active antenna circuit Figure 36: Passive antenna circuit (Default) In above figures, the components C1 and L1, L2 are used for antenna matching, the values of the components can only be obtained after the antenna tuning usually, and they are provided by antenna vendor.C2 in Figure 35 is used for DC isolation.
  • Page 55 Smart Machine Smart Decision AGPS mode needs more support from the mobile telecommunication network. Please refer to document [24] for more details. SIM7100_Hardware Design_V1.01 2015-01-20...

  • Page 56: 5  Electrical Specifications

    Smart Machine Smart Decision Electrical Specifications Absolute maximum ratings Absolute maximum rating for digital and analog pins of SIM7100 are listed in the following table: Table 29: Absolute maximum ratings Parameter Min. Max. Unit Voltage at VBAT -0.5 Voltage at USB_VBUS -0.5 5.25 Voltage at digital pins...

  • Page 57: Operating Mode

    Smart Machine Smart Decision FLIGHTMODE, STATUS, USIM_DET, SD1_DET), I2C, UART, PCM, COEXn, BOOT_CFGn. The operating temperature of SIM7100 is listed in the following table. Table 32: Operating temperature Parameter Min. Typ. Max. Unit Normal operation temperature ℃ Extended operation temperature* ℃...

  • Page 58: Minimize Power Consumption

    Smart Machine Smart Decision uplink/downlink data rates and GPRS configuration (e.g. used multi-slot settings). AT command “AT+CFUN” can be used to set the module to a minimum functionality mode without removing the power supply. In this mode, the RF Minimum part of the module will not work or the USIM card will not be accessible, or functionality mode both RF part and USIM card will be closed, and the serial port is still...

  • Page 59: Table 34: Current Consumption

    Smart Machine Smart Decision Table 34: Current consumption OFF state OFF state supply current Power down 20uA GSM Sleep mode (without USB connection) Sleep mode @DRX=2 TBD GSM/GPRS supply current Sleep mode @DRX=5 TBD (GNSS off) Sleep mode @DRX=9 TBD GSM Sleep Mode (with USB suspended) Sleep mode @DRX=2 TBD GSM/GPRS supply current...
  • Page 60 Smart Machine Smart Decision GSM Talk GSM 900 @power level #5 <300mA, TBD DCS1800 @power level #0 <250mA, TBD UMTS Talk @Power 23dBm Typical TBD @Power 21dBm Typical TBD WCDMA B1 @Power 10dBm Typical TBD @Power 23dBm Typical TBD @Power 21dBm Typical TBD WCDMA B2 @Power 10dBm Typical TBD @Power 23dBm Typical TBD...

  • Page 61: Emc And Esd Notes

    Smart Machine Smart Decision TD-SCDMA Data @Power 23dBm Typical TBD TDSCDMA 1900 @Power 21dBm Typical TBD @Power 10dBm Typical TBD @Power 23dBm Typical TBD TDSCDMA 2000 @Power 21dBm Typical TBD @Power 10dBm Typical TBD EVDO Data @Power 23dBm CQI=22 TBD LTE Data LTE-FDD B1 LTE-FDD B2...

  • Page 62: 6  Guide For Production

    Smart Machine Smart Decision Guide for Production Top and Bottom View of SIM7100 Figure 37: Top and bottom view of SIM7100 These test points are only used for module manufacturing and testing. They are not for customer’s application. Typical Solder Reflow Profile For customer convenience, SIMCom provides a typical example for a commonly used soldering profile.

  • Page 63: Moisture Sensitivity Level (Msl)

    Smart Machine Smart Decision Figure 38: The ramp-soak-spike reflow profile of SIM7100 Note: For details about secondary SMT, please refer to document [21]. Moisture Sensitivity Level (MSL) SIM7100 is qualified to Moisture Sensitivity Level (MSL) 5 in accordance with JEDEC J-STD-033. After the prescribed time limit exceeded, users should bake modules for 192 hours in drying equipment (<5% RH) at 40°...

  • Page 64: Stencil Foil Design Recommendation

    Smart Machine Smart Decision Stencil Foil Design Recommendation The recommended thickness of stencil foil is more than 0.15mm. SIM7100_Hardware Design_V1.01 2015-01-20...

  • Page 65: Appendix

    Smart Machine Smart Decision Appendix A. Reference Design Main Antenna GNSS Antenna R102 MAIN_ANT GNSS_ANT C108 L101 L102 33pF C106 C107 Div Antenna Power supply R101 VBAT AUX_ANT VBAT VBAT C104 C105 C101 C102 C103 100uF 100uF R105 VBAT POWERKEY Power supply 300R Network...

  • Page 66: Coding Schemes And Maximum Net Data Rates Over Air Interface

    Smart Machine Smart Decision B. Coding schemes and maximum net data rates over air interface Table 37: Coding schemes and maximum net data rates over air interface Multislot definition(GPRS/EDGE) Slot class DL slot number UL slot number Active slot number GPRS coding scheme Max data rata（4 slots）...
  • Page 67 Smart Machine Smart Decision Category 8 7.2Mbps 16QAM,QPSK Category 9 10.2Mbps 16QAM,QPSK Category 10 14.4Mbps 16QAM,QPSK Category 11 0.9Mbps QPSK Category 12 1.8Mbps QPSK Category 13 17.6Mbps 64QAM Category 14 21.1Mbps 64QAM Category 15 23.4Mbps 16QAM Category 16 28Mbps 16QAM Category 17 23.4Mbps 64QAM...
  • Page 68 Smart Machine Smart Decision Category 4 50Mbps QPSK/16QAM SIM7100_Hardware Design_V1.01 2015-01-20...

  • Page 69: Related Documents

    Smart Machine Smart Decision C. Related Documents Table 38: Related documents Document name Remark SIM7100_ATC_V0.xx SIM7100_ATC_V0.xx ITU-T Draft new Serial asynchronous automatic dialing and control recommendationV.25ter Digital cellular telecommunications (Phase 2+); AT command GSM 07.07 set for GSM Mobile Equipment (ME) GSM 07.10 Support GSM 07.10 multiplexing protocol Digital cellular telecommunications (Phase 2+);...
  • Page 70 (RoHS) [21] Module Module secondary SMT Guidelines secondary-SMT-UGD-V1.xx [22] SIM7100_UART_Application This document describes how to use UART interface of _Note_V0.xx SIMCom SIM7100 modules. SIM7100_USB_AUDIO_Appl [23] USB AUDIO Application Note ication_Note_V0.xx [24] SIM7100_GPS_Application_Note_ SIM7100 GPS Application Note V0.xx SIM7100_Hardware Design_V1.01...

  • Page 71: Terms And Abbreviations

    Smart Machine Smart Decision D. Terms and Abbreviations Table 39: Terms and Abbreviations Abbreviation Description Analog-to-Digital Converter Antenna Reference Point Bit Error Rate Base Transceiver Station Coding Scheme Circuit Switched Data Clear to Send Digital-to-Analog Converter Discontinuous Reception Digital Signal Processor Data Terminal Equipment (typically computer, terminal, printer) Data Terminal Ready Discontinuous Transmission...
  • Page 72 Smart Machine Smart Decision Real Time Clock Subscriber Identification Module Short Message Service serial peripheral interface SMPS Switched-mode power supply TDMA Time Division Multiple Access Terminal Equipment, also referred to as DTE Transmit Direction UART Universal Asynchronous Receiver & Transmitter VSWR Voltage Standing Wave Ratio SIM phonebook...

  • Page 73: Safety Caution

    Smart Machine Smart Decision E. Safety Caution Table 40: Safety caution Marks Requirements When in a hospital or other health care facility, observe the restrictions about the use of mobiles. Switch the cellular terminal or mobile off, medical equipment may be sensitive to not operate normally for RF energy interference.

  • Page 74: Contact Us

    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 3301 URL: www.sim.com/wm SIM7100_Hardware Design_V1.01 2015-01-20...

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