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Smart LTE Module Series

Smart EVB User Guide

Smart_ EVB_User_Guide

16 / 45

Interface Applications

This chapter describes the hardware interfaces of Smart EVB, shown as follows:

⚫

Power supply interfaces

⚫

Touch panel interface

⚫

LCM interface

⚫

Camera interfaces

⚫

SD card interface

⚫

USB interface

⚫

Audio interfaces

⚫

(U)SIM interfaces

⚫

UART interfaces

It also provides information about LEDs, buttons, test points, flashlight, vibrator and sensors to help

customers use the Smart EVB.

3.1. Power Supply Interfaces (S801/S803)

The Smart EVB can be powered by an external 5.0V DC power adapter. Connect the DC power adapter

to the DC interface (J807) and then the step-down converter (DC-to-DC converter), which is used to

provide the supply voltage required for operating the module.

A separate battery interface (J801) is provided, in case there are no other power options available. The

following figures show the simplified power supply block diagram and power supply interfaces of Smart

EVB.

Power ON/OFF

Step-down converter

Power supply for

Smart modules

J807

interface

U801

DC-to-DC

S801

J801

VBAT

interface

S803

Power switch

Figure 5: Simplified Power Supply Schematic of Smart EVB

Содержание SC20-EL

Страница 1: ...y minimizes errors and optimizes the data speed The module also combines high speed wireless connectivity with embedded multi constellation and high sensitivity GNSS GPS GLONASS Galileo and BeiDou rec...

Страница 2: ...BeiDou Galileo GPS BeiDou GLONASS or GPS BeiDou Galileo Certifications Carrier America Verizon AT T T Mobile Sprint Canada Rogers Telus Australia Telstra Japan NTT DOCOMO KDDI SoftBank Regulatory Glo...

Страница 3: ...U SIM cards U SIM card detection function and DSDS Audio Analog channels Two inputs MIC1 MIC2 Three outputs speaker earpiece headphone Video Encoding 720P H 264 30 fps WVGA MPEG 4 VP8 30 fps Decoding...

Страница 4: ...Smart EVB User Guide Smart LTE Module Series Rev Smart_EVB_User_Guide_V1 1 Date 2018 10 23 Status Released www quectel com...

Страница 5: ...N 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 CONTAINE...

Страница 6: ...or the power supply of Smart EVB in Table 1 2 Updated the top view of Smart EVB in Figure 1 3 Added a comment for RESET in Chapter 2 2 4 Added the description of a separate battery interface in Chapte...

Страница 7: ...1 J302 20 3 5 SD Card Interface J502 22 3 6 USB Interface J602 23 3 7 Audio Interfaces J702 25 3 7 1 Loudspeaker Interface 25 3 7 2 Headphone Interface 26 3 7 3 Microphone and Earphone Interfaces 27 3...

Страница 8: ...Smart LTE Module Series Smart EVB User Guide Smart_ EVB_User_Guide 4 45 6 Appendix A Reference 45...

Страница 9: ...H PANEL INTERFACE 18 TABLE 5 PIN ASSIGNMENT OF MICRO USB INTERFACE 25 TABLE 6 PIN ASSIGNMENT OF HEADPHONE INTERFACE 27 TABLE 7 PIN ASSIGNMENT OF U SIM1 INTERFACE J503 29 TABLE 8 PIN ASSIGNMENT OF DEBU...

Страница 10: ...REFERENCE CIRCUIT DESIGN FOR HEADPHONE INTERFACE 26 FIGURE 19 PIN ASSIGNMENT OF HEADPHONE INTERFACE 26 FIGURE 20 SKETCH OF AUDIO PLUG 27 FIGURE 21 REFERENCE CIRCUIT DESIGN FOR MICROPHONE AND EARPHONE...

Страница 11: ...s Smart EVB User Guide Smart_ EVB_User_Guide 7 45 1 Introduction This document describes the evaluation board Smart EVB for Quectel Smart module SC20 The smart evaluation board is an assistant tool to...

Страница 12: ...e consult the airline staff for more restrictions on the use of wireless devices on boarding the aircraft Wireless devices may cause interference on sensitive medical equipment so please be aware of t...

Страница 13: ...rds 2 95V and 1 8V Audio Interfaces Analog interfaces used for loudspeaker microphone earphone and headphone Camera Interfaces Support two cameras Main camera supports 8M pixels with 2 lane CSI interf...

Страница 14: ...10 45 Switches 4 switches Flashlight Support a flashlight LED Vibrator A vibrator for testing the motor drive interface of the module Sensors Support three sensors including ALS PS G sensor Gyroscopic...

Страница 15: ...102 J101 Speaker S804 S802 Keypads S906 S909 S903 S904 S901 S908 S905 S902 S907 J703 J704 TP701 TP702 J701 J905 LED D806 D808 D805 D807 U701 MIC J403 J904 Figure 1 Smart EVB Interface Overview Table 2...

Страница 16: ...ard connector Camera J302 Main camera connector support 8M CMOS sensor J301 Sub camera connector support 2M CMOS sensor LCM J402 Connector for LCM TP J403 ZIF connector for touch panel Sensors U205 Co...

Страница 17: ...ot work because the RESET interface on SC20 module is disabled by default Through enabling the RESET interface via software configuration the RESET button can work properly 2 3 Top and Bottom Views of...

Страница 18: ...rt EVB Kit Accessories All accessories of the Smart EVB kit are listed as below Please contact the supplier if there is something missing USB to UART converter cable USB Flash drive RF cables Bolts an...

Страница 19: ...be used for diversity reception Items Description Quantity Cables USB to UART converter cable 1 USB cable 1 RF cables 4 Antennas Main antennas 1 2 Wi Fi antenna 1 GNSS antenna active 1 Audio Headphone...

Страница 20: ...ply Interfaces S801 S803 The Smart EVB can be powered by an external 5 0V DC power adapter Connect the DC power adapter to the DC interface J807 and then the step down converter DC to DC converter whi...

Страница 21: ...uch panel interface J403 which is used for the connection between touch panel of LCM and EVB The following figure shows a reference design for touch panel interface TP_ RST TP_I2C_ SCL TP_I2C_ SDA TP_...

Страница 22: ...ovides a 5 inch 1080 x 720 high definition resolution LCD display for customers to test The following figure shows a reference circuit design for LCM interface of the Smart EVB Pin No Pin Name Descrip...

Страница 23: ...I_TDN3 GND MIPI_TDP2 MIPI_TDN2 GND MIPI_TDP1 MIPI_TDN1 GND LDO17_2V85 LDO6_1V8 LCM_LED LCM_ LED 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 MIPI_TDP0 MIPI_TDN0 GND MIPI_TCP MI...

Страница 24: ...ra Interfaces J301 J302 Smart EVB provides two camera interfaces 2 lane 1 lane with main camera and sub camera assembled The main camera uses an 8M pixels digital CMOS sensor with auto focusing functi...

Страница 25: ...CLK_N LDO6_1V8 DVDD_1V2 LDO17_2V85 2 2K 2 2K Sub camera connector 2 2uF 0 1uF 1uF MCAM_RST EMI EMI VDD _AF _2V8 AVDD AF_VDD DVDD DOVDD 100nF LDO6_1V8 DOVDD 1uF 100nF 1 uF AVDD 0 0 EMI CSI1_LN _P CSI1_...

Страница 26: ...ematic for SD card interface on Smart EVB SD_CMD 120K NM_51K SD_DATA3 SD_DATA2 SD_CLK SD_DATA0 SD_DET SD_DATA1 P1 DAT2 P2 CD DAT3 P3 CMD P4 VDD P5 CLK P8 DAT1 GND P6 VSS P7 DAT0 DETECTIVE GND GND GND...

Страница 27: ...The Smart EVB provides a Micro USB interface J602 which complies with USB 2 0 specifications and supports USB OTG function This interface is used for AT command communication data transmission and fi...

Страница 28: ...Smart LTE Module Series Smart EVB User Guide Smart_ EVB_User_Guide 24 45 Figure 15 Reference Circuit Design for USB Interface J602 1 234 5 Figure 16 Pin Assignment of Micro USB Interface...

Страница 29: ...aker Interface Loudspeaker is soldered onto the Smart EVB via TP701 and TP702 The following figure shows the reference circuit design for loudspeaker interface SPK_P SPK_N 1 nF 1 nF Close to speaker G...

Страница 30: ...20K ESD MIC_GND MIC2_P HPH_L HS_DET HPH_R HPH_REF 33pF Module R1 0R 6 3 4 5 2 1 33pF 33pF C3 C4 C5 F3 F2 F1 D1 D2 D3 D4 F4 R2 R3 0R R5 0R F5 0R 33R 33R C1 C2 NM NM R6 R4 R7 R8 10K10K C6 100pF Figure 1...

Страница 31: ...HS_DET 5 Figure 20 Sketch of Audio Plug 3 7 3 Microphone and Earphone Interfaces Smart EVB provides a microphone interface and an earphone interface The following figure shows the reference circuit de...

Страница 32: ...504 The Smart EVB provides the following two U SIM card 2 95V or 1 8V connectors J503 U SIM1 card connector J504 U SIM2 card connector The following figure shows the simplified interface schematic for...

Страница 33: ...he pin assignment of U SIM2 interface J504 is the same as that of U SIM1 interface J503 Pin No Pin Name I O Description C1 USIM_VDD O U SIM1 card power supply C2 USIM_RST O U SIM1 card reset signal C3...

Страница 34: ...r data transmission and AT command communication And the main debug UART interface is not used by default The following figure and table show the block diagram of debug UART port J604 and the pin assi...

Страница 35: ...es and Buttons Smart EVB provides four switches S801 S802 S803 S804 and nine buttons S901 S902 S903 S904 S905 S906 S907 S908 S909 Pin No Pin Name I O Description 1 Not connected 2 RS232_TXD O Transmit...

Страница 36: ...9 Description of Switches and Buttons Items Description S801 Used to select DCDC power supply or battery power supply S802 Used to force the module to boot from USB port Turned off by default S803 Us...

Страница 37: ...us Indication LEDs Table 10 Description of Status Indication LEDs Used to enter home page S904 Volume up button Used to increase volume S905 Focus button Used to focus during shooting photos S906 Menu...

Страница 38: ...consists of 10 test points The details are shown in the following figure and table Figure 28 Pin Assignment of J904 Bright VBAT ON Extinct VBAT OFF D808 D805 Disabled by default D807 Indicate the netw...

Страница 39: ...W ENF VIN AGND AGND Module U201 10 5 4 FLASH_ EN ENM GND TORCH _MODE 11 13 SW GND PGND GND VOUT D2 VOUT RSETF D1 RSETM GND 6 3 7 15 C2 75K R2 20K R1 10K R3 10K R4 1 0uH R5 VBAT L1 CATHODE 0R C1 97 90...

Страница 40: ...mart EVB provides an ERM type vibrator for customers to test the motor driver interface of SC20 module The following figures show the reference circuit design of the vibrator and its location on the b...

Страница 41: ...VB User Guide Smart_ EVB_User_Guide 37 45 U206 Vibrator Figure 32 ERM Type Vibrator 3 15 Sensors Smart EVB provides three sensors for testing purpose as shown in the figure below Compass ALS PS G sens...

Страница 42: ...g are the procedures for powering on SC20 module 1 Connect the TE A to the connectors J101 and J102 on smart EVB 2 Connect the DC adapter and pull S801 to DC POWER state 3 Pull S803 to ON state and th...

Страница 43: ...ing figure Figure 35 LCD Menu Display for Powering off Module 2 Choose Power off 3 The module will be powered off Another way is to press down S901 PWRKEY until the module is shut down 4 3 Communicati...

Страница 44: ...by Quectel to realize the communication between the smart module and the PC The following figure shows the QCOM configuration select correct COM port and set correct Baudrate such as 115200bps For mor...

Страница 45: ...he procedures mentioned in Chapter 4 1 After that the USB serial port number can be viewed through the PC Device Manager shown as the following figure Figure 38 USB Serial Port 3 Install and then use...

Страница 46: ...en the firmware upgrade tool QFIL on PC and then power on SC20 module according to the procedures mentioned in Chapter 4 1 2 Click the SelectPort and select the USB port Qualcomm HS USB Diagnostics Mo...

Страница 47: ...Smart LTE Module Series Smart EVB User Guide Smart_ EVB_User_Guide 43 45 3 1 4 2 5 6 Figure 40 Firmware Upgrade Steps...

Страница 48: ...Smart LTE Module Series Smart EVB User Guide Smart_ EVB_User_Guide 44 45 5 EVB Accessories Assembly Figure 41 Smart EVB and Accessories Assembly...

Страница 49: ...ents Table 13 Terms and Abbreviations SN Document name Remark 1 Quectel_SC20_Hardware_Design SC20 hardware design 2 Quectel_QCOM_User_Guide User guide for QCOM tool Abbreviation Description EVB Evalua...

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