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Quectel SC20 User Manual

Manual is about: LTE Module Series

Summary of SC20

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    Smart evb user guide lte module series rev. Smart_evb_user_guide_v1.0 date: 2016-09-30 www.Quectel.Com.

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 1 / 29 our aim is to provide customers with timely and comprehensive service. For any assistance, please contact our company headquarters: quectel wireless solutions co., ltd. Office 501, building 13, no.99, tianzhou...

  • Page 3: About The Document

    Lte module series smart evb user guide smart_evb_user_guide confidential / released 2 / 29 about the document history revision date author description 1.0 2016-09-30 vae liu initial quectel confidential.

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 3 / 29 contents about the document ................................................................................................................................... 2 contents .........................................

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 4 / 29 table index table 1: features of smart evb .............................................................................................................. 8 table 2: interfaces of smart evb .......................

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 5 / 29 figure index figure 1: interface overview ................................................................................................................. 9 figure 2: evb top view ...............................

  • Page 7: Introduction

    Lte module series smart evb user guide smart_evb_user_guide confidential / released 6 / 29 1 introduction this document describes the evaluation board of quectel sc20 smart module series. The smart evaluation board is an assistant system integrator for developing and evaluating products based on que...

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 7 / 29 1.1. Safety information the following safety precautions must be observed during all phases of the operation, such as usage, service or repair of any cellular terminal or mobile incorporating quectel module. M...

  • Page 9: General  Overview

    Lte module series smart evb user guide smart_evb_user_guide confidential / released 8 / 29 2 general overview quectel supplies smart evb kit for testing basic functionalities on smart modules. 2.1. Key features smart evb offers the following features:  two usim interfaces  two uart interfaces  mu...

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 9 / 29 2.2. Interface overview figure 1: interface overview table 2: interfaces of smart evb interface reference number description vbat j801 connector used for battery power switch s801 switch for battery and dc_pow...

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 10 / 29 some of these functions may not be supported on some modules. For details, please refer to relative module reference designs and hardware designs. Reset s908 reset push button. It’s used to reset the module. ...

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 11 / 29 2.3. Evb view figure 2: evb top view 2.4. Evb accessories all the items of evb kit are listed in table and figure below. Please contact the supplier if there is something missing. Table 3: accessories list it...

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 12 / 29 figure 3: evb accessories the main antenna can also be used for diversity reception. Gnss antenna (passive) 1 audio earphone 1 disk usb2.0 to rs232 driver and usb driver disk 1 battery li-polymer battery 1 ot...

  • Page 14: Interface  Application

    Lte module series smart evb user guide smart_evb_user_guide confidential / released 13 / 29 3 interface application this chapter describes the hardware interfaces of smart evb, shown as follows:  power interface  usb interface  audio interface  usim card interfaces  uart interfaces it also prov...

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 14 / 29 figure 5: power interface 3.2. Usb device interface the smart evb provides a usb 2.0 interface which complies with usb 2.0 standard and supports otg function. It is used for at command communication, data tra...

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 15 / 29 table 4: pin assignment of usb device interface j602 3.3. Audio interface smart module provides a digital audio interface (pcm). The analog interface j702 on the smart evb is used for loud speaker, earphone a...

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 16 / 29 3.3.2. Earphone an earphone can be used in audio interface j702. The following figures and table show the circuit of j702 audio interface for earphone and pin assignment of j702. Figure 8: earphone circuit fi...

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 17 / 29 the following figure shows the sketch of audio jack which matches the smart evb. 2 1 mic gnd sw spk_r spk_l 3 4 32 Ω 32 Ω figure 10: the sketch of audio jack 3.3.3. Mic and speaker smt u701 mic is used for mi...

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 18 / 29 3.4. Usim card interfaces the smart evb has two usim card interfaces. A suitable usim card (3v or 1.8v) is required to start the smart module. The following figure and table show the simplified interface sche...

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 19 / 29 table 6: pin assignment of usim card pin assignment of j504 is the same as that of j503. 3.5. Uart interfaces smart evb offers two uart interfaces, which are main uart port (j901) and debug uart port (j604). ...

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 20 / 29 figure 15: main uart port (j901) table 7: pin assignment of j901 3.6. Switches and buttons smart evb comprises nine buttons (s901/s902/s903/s904/s905/s906/s907/s908/s909) and four switches (s801/s802/s803/s80...

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 21 / 29 figure 16: switches and buttons table 8: description of switches and buttons items description s801 switch for battery power supply or dc power supply s802 enter into usb boot mode s803 evb power switch s804 ...

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 22 / 29 some of these functions may not be supported on some modules. For details, please refer to relative module reference designs and hardware designs. 3.7. Status leds there are several led status indication ligh...

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 23 / 29 3.8. Test points j904 is used for test. The following figure and table show the details. Figure 18: pins assignment of j904 table 10: details of test points d808 indicate the module operation status light on:...

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 24 / 29 4 cts_3.0v 3.2v cts signal 5 vreg_l5 l5 power supply of the module 6 rxd_3.3v 3.3v rxd signal 7 gnd ground 8 rts_3.3v 3.3v rts signal 9 gpio_14 gpio14 of the module 10 txd_3.3v 3.3v txd signal quectel confide...

  • Page 26: Operation  Procedure

    Lte module series smart evb user guide smart_evb_user_guide confidential / released 25 / 29 4 operation procedure this chapter introduces how to use the smart evb for testing and evaluation quectel smart modules. 4.1. Power on 1. Connect the smart module to the connector j101 and j102 on smart evb. ...

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 26 / 29 2. Choose “power off”. 3. Module will be powered off after d808 (status) light is off. Another way is to press down s901 (pwrkey) until the module is shut down. 4.3. Reset pressing s908 key then releasing it ...

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 27 / 29 4.5. Firmware upgrade firmware can be upgraded via usb port (default), please follow the procedures below to upgrade firmware. 1. Open the firmware upgrade tool “qeil” on the pc and power on the module. 2. Cl...

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    Lte module series smart evb user guide smart_evb_user_guide confidential / released 28 / 29 5 evb accessories assembly figure 21: smart evb and accessories assembly smart module quectel confidential.

  • Page 30: Appendix  A  Reference

    Lte module series smart evb user guide smart_evb_user_guide confidential / released 29 / 29 6 appendix a reference table 11: related documents table 12: terms and abbreviations sn document name remark [1] quectel_sc20_hardware_design sc20 hardware design [2] quectel_qcom_user_guide qcom user guide a...