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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_POWER

S803

Control power ON/OFF

PWRKEY

S901

PWRKEY push button
It’s used to turn on/off the module.

J903

Jumper is used to connect PWRKEY to GND

Quectel

Confidential

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Summary of Contents for SC20-CE

Page 1: ...he module also combines high speed wireless connectivity with embedded multi constellation and high sensitivity GPS GLONASS BeiDou receiver for positioning A rich set of interfaces such as LCM Camera...

Page 2: ...WCDMA B6 110dBm WCDMA B8 110dBm WCDMA B19 110dBm TD SCDMA 108dBm CDMA EVDO 109dBm GSM 850 110dBm GSM 900 109dBm GSM 1800 109dBm GSM 1900 108dBm HQ address Office 501 Building 13 No 99 Tianzhou Road Sh...

Page 3: ...Smart EVB User Guide LTE Module Series Rev Smart_EVB_User_Guide_V1 0 Date 2016 09 30 www quectel com...

Page 4: ...ION PROVIDED IS BASED UPON CUSTOMERS REQUIREMENTS QUECTEL MAKES EVERY EFFORT TO ENSURE THE QUALITY OF THE INFORMATION IT MAKES AVAILABLE QUECTEL DOES NOT MAKE ANY WARRANTY AS TO THE INFORMATION CONTAI...

Page 5: ...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...

Page 6: ...rface 13 3 2 USB Device Interface 14 3 3 Audio Interface 15 3 3 1 Loud Speaker 15 3 3 2 Earphone 16 3 3 3 MIC and Speaker 17 3 4 USIM Card Interfaces 18 3 5 UART Interfaces 19 3 6 Switches and Buttons...

Page 7: ...IES LIST 11 TABLE 4 PIN ASSIGNMENT OF USB DEVICE INTERFACE J602 15 TABLE 5 PIN ASSIGNMENT OF J702 16 TABLE 6 PIN ASSIGNMENT OF USIM CARD 19 TABLE 7 PIN ASSIGNMENT OF J901 20 TABLE 8 DESCRIPTION OF SWI...

Page 8: ...ONE CIRCUIT 16 FIGURE 9 PIN ASSIGNMENT OF J702 16 FIGURE 10 THE SKETCH OF AUDIO JACK 17 FIGURE 11 MIC AND SPEAKER CIRCUIT 17 FIGURE 12 SCHEMATIC OF SIMPLIFIED USIM CARD INTERFACES 18 FIGURE 13 PINS AS...

Page 9: ...ntial 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 eval...

Page 10: ...oarding the aircraft if your device offers an Airplane Mode which must be enabled prior to boarding an aircraft Switch off your wireless device when in hospitals clinics or other health care facilitie...

Page 11: ...Supply USB supply voltage 4 75 6 0V typical supply voltage 5 0V VBAT supply voltage 3 5 4 3V typical supply voltage 3 8V USIM Interfaces Support card detection Support USIM SIM cards 3 0V and 1 8V Aud...

Page 12: ...e 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_POWER S803 Control power ON OFF PWRKE...

Page 13: ...module Micro USB J602 USB device interface USB_VBUS supply voltage 5 0V Audio Speaker Loud speaker Earphone Earphone MIC Microphone J702 Headset USIM J503 Main USIM card holder J504 Sub USIM card hold...

Page 14: ...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 Items Description Quantity Cables US...

Page 15: ...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 Other Bolts and nuts for fixing EVB 1 NOTE USB to UART co...

Page 16: ...Smart EVB 3 1 Power Interface The power supply of Smart EVB could come from the external input which is connected with USB receptacle The USB receptacle is connected with a step down converter to pro...

Page 17: ...sed for AT command communication data transmission firmware upgrade and GNSS NEMA output Meanwhile Smart EVB provides a micro USB receptacle J602 to connect with a host device The USB_DP and USB_DM da...

Page 18: ...microphone 3 3 1 Loud Speaker Loud speaker is soldered via TP701 and TP702 The following figure shows the loud speaker circuit SPK_P SPK_N 10pF 10pF 33pF 33pF Close to speaker GND GND ESD ESD FB FB S...

Page 19: ...he following figures and table show the circuit of J702 audio interface for earphone and pin assignment of J702 Figure 8 Earphone Circuit Figure 9 Pin Assignment of J702 Table 5 Pin Assignment of J702...

Page 20: ...k 3 3 3 MIC and Speaker SMT U701 MIC is used for microphone and speaker is soldered on TP703 and TP704 The following figure shows the schematic of the MIC and Speaker ESD 33pF ESD ESD ESD 33pF 33pF 33...

Page 21: ...art the Smart module The following figure and table show the simplified interface schematic and pin assignment of J503 USIM card holder USIM_VDD USIM_CLK USIM_DATA USIM_RST USIM_GND EVB J503 C1 C7 C2...

Page 22: ...transmission and AT command communication And the debug UART interface is used for debugging The following figure and table show the UART block diagram on Smart EVB and pin assignment of J901 J101 Mo...

Page 23: ...ns S901 S902 S903 S904 S905 S906 S907 S908 S909 and four switches S801 S802 S803 S804 Description of switches and buttons is shown as below J401 Pin Name I O Description 1 Not connected 2 RS232_TXD I...

Page 24: ...n 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 Battery charge ON OFF S901 Power on button...

Page 25: ...signs 3 7 Status LEDs There are several LED status indication lights D805 D806 D807 and D808 on Smart EVB shown as below Figure 17 Status LEDs Table 9 Description of Status LEDs S904 Volume up button...

Page 26: ...of Test Points D808 Indicate the module operation status Light on module is powered on Light off module is powered down D805 D807 Indicate the module network registration mode The indication varies i...

Page 27: ...er_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 modul...

Page 28: ...th USB cable and pull S801 to DC_POWER state 3 Pull S803 to ON state and D806 will be lighted 4 Press the S901 PWRKEY for at least 2s The module will be in power on mode and D808 STATUS will be lighte...

Page 29: ...onds due to some serious problems 4 4 Communication Via USB or UART Interface 4 4 1 Communication via USB Interface 1 Power on the module 2 Connect EVB and PC with USB cable through USB interface and...

Page 30: ...e 1 Open the firmware upgrade tool QEIL on the PC and power on the module 2 Click the SelectPort dropdown list and select the USB port 3 Select Flat Build from Select Build Type 4 Select software to l...

Page 31: ...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 32: ...ments 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 Abbreviation Description EVB Evaluation Boa...

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