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Quectel EC20 Hardware Manual

Manual is about: Mini PCIe

Summary of EC20

  • Page 1

    Ec20 mini pcie hardware design lte module series rev. Ec20_mini_pcie_hardware_design_v1.0 date: 2015-02-28 www.Quectel.Com.

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 1 / 36 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...

  • Page 3: About The Document

    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 2 / 36 about the document history revision date author description 1.0 2015-02-28 radom xiang/ mike zhang initial quectel confidential.

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 3 / 36 contents about the document ................................................................................................................................... 2 contents .....................

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 4 / 36 5.4. Packaging ................................................................................................................................ 34 6 appendix reference ........................

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 5 / 36 table index table 1: description of ec20 mini pcie ................................................................................................ 10 table 2: key features of ec20 mini pci...

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 6 / 36 figure index figure 1: functional diagram ............................................................................................................... 12 figure 2: pin assignment ..........

  • Page 8: Introduction

    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 7 / 36 1 introduction this document defines ec20 mini pcie module and describes its hardware interfaces which are connected with your application and air interfaces. This document can help you to ...

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 8 / 36 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 incorporati...

  • Page 10: Product Concept

    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 9 / 36 2 product concept 2.1. General description ec20 mini pcie module provides data connectivity on fdd-lte, wcdma and gsm networks with pci express mini card 1.2 standard interface. It supports...

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 10 / 36 table 1: description of ec20 mini pcie 1. 1) gps/glonass function is optional. 2. 2) digital audio (pcm) function is only supported in telematics version. 2.3. Key features the following t...

  • Page 12

    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 11 / 36 support 2 × 2 mimo in dl direction max 100mbps (dl), max 50mbps (ul) wcdma features r99 cs data: max 64kbps (dl), max 64kbps (ul) r99 ps data: max 384kbps (dl), max 384kbps (ul) r5 hsdpa: ...

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 12 / 36 1. “*” means this function is under development. 2. “ ▲ ” means when the module works within this temperature range, rf performance might degrade. For example, the frequency error or the p...

  • Page 14: Application Interface

    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 13 / 36 3 application interface 3.1. General description the physical connections and signal levels of ec20 mini pcie comply with pci express mini cem specifications. This chapter mainly describes...

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 14 / 36 table 4: description of pin po power output pin no. Mini pci express standard name ec20 mini pcie pin name i/o description comment 1 wake# reserved — reserved 2 3.3vaux vcc_3v3 pi 3.3v dc ...

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 15 / 36 23 pern0 reserved — reserved 24 3.3vaux reserved — reserved 25 perp0 reserved — reserved 26 gnd gnd mini card ground 27 gnd gnd mini card ground 28 1.5v nc — — 29 gnd gnd mini card ground ...

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 16 / 36 1. The typical supply voltage is 3.3v. 2. Keep all nc, reserved and unused pins unconnected. 3. Pay attention to the height of mini pci express connector located on dte, and usim pins 8, 1...

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 17 / 36 3.3. Power supply the following table shows the vcc_3v3 pins and ground pins. Table 5: vcc_3v3 and gnd pin definition the typical supply voltage of ec20 mini pcie is 3.3v. In the 2g networ...

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 18 / 36 3.4. Usim card interface the following table shows the pin definition of the usim card interface. Table 6: usim pin definition ec20 mini pcie supports 1.8v and 3.0v usim cards. The followi...

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 19 / 36  to avoid cross-talk between usim_data and usim_clk, keep them away from each other and shield them with surrounding ground.  in order to offer good esd protection, it is recommended to ...

  • Page 21

    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 20 / 36 in order to ensure the usb interface design corresponding with the usb 2.0 specification, please comply with the following principles:  it is important to route the usb signal traces as d...

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 21 / 36 uart_rx uart_tx dtr ri txd rxd dtr ri ec20 mini pcie application dce dte gnd gnd figure 6: the dce-dte connection of uart interface the following figure is an example of connection between...

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 22 / 36 3.7. Pcm and i2c interface the following table shows the pin definition of pcm interface that can be applied in audio codec design. Table 9: pcm and i2c pin definition ec20 mini pcie provi...

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 23 / 36 pcm_clk pcm_sync pcm_dout msb lsb msb msb lsb msb pcm_din 125us 1 2 256 255 figure 8: timing of primary mode in auxiliary mode, the data is sampled on the falling edge of the pcm_clk and t...

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 24 / 36 the following figure shows the reference design of pcm interface with external codec ic (such as alc5616). Pcm_din pcm_dout pcm_sync pcm_clk i2c_scl i2c_sda codec module 1.8v 4 .7 k 4 .7 k...

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 25 / 36 3.8.1. Ri signal the ri signal can be used to wake up the host. When urc returns, there will be the following behavior on the ri pin. Urc return 120 ms high low figure 11: ri behavior 3.8....

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 26 / 36 3.8.4. Perst# signal the perst# signal can be used to force a hardware reset on the card. You can reset the module by driving the perst# to a low level voltage of more than 150ms and then ...

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 27 / 36 3.9. Antenna interface ec20 mini pcie antenna interfaces include a main lte/umts/gsm antenna interface, a lte/umts rx-diversity antenna interface and a gnss antenna interface. All of these...

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 28 / 36 4 electrical and radio characteristics 4.1. General description this chapter mainly describes the following electrical and radio characteristics of ec20 mini pcie:  power supply requireme...

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 29 / 36 4.3. Io requirements the following table shows the io requirements of ec20 mini pcie. Table 14: io requirements 1. The pcm and i2c interface belong to 1.8v power domain, and other io inter...

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 30 / 36 table 16: conducted rf receiving sensitivity frequency receive sensitivity (typ.) gsm850 -111dbm egsm900 -110dbm dcs1800 -109dbm pcs1900 -109dbm umts b1 -110dbm umts b5 -112dbm umts b8 -11...

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    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 31 / 36 4.6. Esd characteristics the following table shows characteristics of ec20 mini pcie esd. Table 17: esd characteristics part contact discharge air discharge unit power supply and gnd +/-5 ...

  • Page 33: Mechanical Dimensions

    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 32 / 36 5 mechanical dimensions 5.1. General description this chapter mainly describes the following dimensions of ec20 mini pcie:  mechanical dimensions of ec20 mini pcie  standard dimensions o...

  • Page 34

    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 33 / 36 5.3. Standard dimensions of mini pci express the following figure shows the standard dimensions of mini pci express. Please refer to document [1] for detailed a and b. Figure 17: standard ...

  • Page 35

    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 34 / 36 ec20 mini pcie adopts a standard mini pci express connector which compiles with the directives and standards listed in the document [1]. The following figure takes the molex 679100002 as a...

  • Page 36: Appendix Reference

    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 35 / 36 6 appendix reference table 18: related documents table 19: terms and abbreviations sn document name remark [1] pci express mini card electromechanical specification revision 1.2 mini pci e...

  • Page 37

    Lte module series ec20 mini pcie hardware design ec20_mini_pcie_hardware_design confidential / released 36 / 36 hspa high speed packet access hsdpa high speed downlink packet access hsupa high speed uplink packet access kbps kilo bits per second led light emitting diode lte long-term evolution mbps ...