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L710HG EVB User Manual

Copyright© Shanghai Mobiletek Communication Ltd 13

Figure5-2: USB

（

AT UART

）

Port

5.3 USB

（

DEBUG UART

）

Interface

When software is debugging and analyzing problems, LOG can be captured by USB virtual
DEBUG serial port. In use, you need to dial the switch S4 to the left. After the serial port is
inserted into USB, DB9 serial port is closed. Sending AT can only use the USB virtual serial port
mentioned in 5.2.

Figure5-3: USB

（

DEBUG UART

）

Port

5.4 USB 2.0 Interface

The L710HG module supports USB 2.0 with a maximum USB transfer rate of 480Mbps.Software
version download can be download through this USB serial port.

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Summary of Contents for Lynq L710HG

Page 1: ...L710HG EVB User Manual Version V1 2 Date 2021 01 19 Shanghai Mobiletek Communication Ltd ...

Page 2: ...to others and the using or communication of the contents thereof are forbidden without express authority Offenders are liable to the payment of damages All rights reserved in the event of grant of patent or the registration of a utility model or design All specification supplied herein are subject to change without notice at any time DISCLAIMER ALL CONTENTS OF THIS MANUAL ARE PROVIDED AS IS EXCEPT...

Page 3: ...VB User Manual Copyright Shanghai Mobiletek Communication Ltd 2 Version History Date Version Description of change Author 2019 08 8 V1 0 Initial 2019 11 23 V1 1 Adjust layout 2021 01 19 V1 2 Fixed display error ...

Page 4: ... enclosed module Contains Transmitter Module FCC ID 2AK9D L710HG or Contains FCC ID L710HG must be used This Modular Approval is limited to OEM installation for mobile and fixed applications only The antenna installation and operating configurations of this Modular including any applicable source based timeaveraging duty factor antenna gain and cable loss must satisfy MPE categorical Exclusion Req...

Page 5: ...2 ABSTRACT 8 3 POWER SUPPLY 9 4 KEY DESCRIPTION 10 4 1 Power on off and RESET key 10 4 2 FORCED USB download key 10 4 3 WATCHDOG key 11 5 APPLICATION INTERFACE 12 5 1 UART DB9 Interface 12 5 2 USB AT UART Interface 12 5 3 USB DEBUG UART Interface 13 5 4 USB 2 0 Interface 13 5 5 SIM Card Interface 14 5 6 Headset Interface 14 5 7 Antenna interface 15 5 8 Audio interface TBD 15 5 9 LED indicating lam...

Page 6: ...L710HG EVB User Manual Copyright Shanghai Mobiletek Communication Ltd 4 6 ACCESSORIES AND ASSEMBLY 21 6 1 EVB Assembly 21 6 2 EVB Accessory 22 6 3 Driver install 23 6 4 Dial configuration 26 ...

Page 7: ...ducts or equipment application development This hardware development document not only provides the function of product features and technical parameters also provides product reliability test standard business function and related implementation process the RF performance and circuit design to guide the user All are giving users a more comprehensive design reference This document describes the ha...

Page 8: ...nd software development instruction manual based on this product Table 1 1 is support for the list Table 1 1Support document list No Document 1 L710HG AT Command User Guide 2 L710HG_Hardware_Design 3 L710HG_EVB_user manual 4 L710HG Schematic checklist 5 L710HG Layout checklist 6 L710HG_Reference Design pdf 7 L710HG_xx_DECAL sch 8 L710HG_xx_DECAL PCB 1 4 Abbreviations Table 1 2 is the relevant abbr...

Page 9: ...M Global Standard for Mobile Communications GPRS General Packet Radio Service CDMA Code Division Multiple Access WCDMA Wideband Code Division Multi Access UMTS Universal Mobile Telecommunication System HSDPA High Speed Downlink Packet Access HSUPA High Speed Uplink Packet Access AGPS Assisted Global Positioning System BER Bit Error Rate DL Downlink COEX WLAM LTE ISM coexistence SMPS Switched mode ...

Page 10: ...function of each part is described Figure 2 1 L710HG EVB global graph The above picture description 1 The L710HG USB port is on the EPI board not on the EVB 2 The power switch S2 This switch S2 can switch the corresponding power input way Choose an external power adapter or direct bonding wire by external input 3 8 V dc power supply 3 DB9 UART is serial port for module AT instruction same as USB u...

Page 11: ...upply voltage regulator on the development board piece of power supply will be converted to about 3 8 V power supply for the module These two modes can be switched by S1 Switch S1 to the top when using DC 5V adapter and Switch S1 to the bottom when using battery power The power indicator LED1 next to the power switch will light up when the system is powered on As shown in the figure below Figure 3...

Page 12: ...ower on off and RESET key When power supply for the EVB the power indicator will light up The lower left corner of the PWRKEY button on the board long press 500 MS can open the module and press the PWRKEY button for more time then reset the module Figure 4 1 Power on off reset key 4 2 FORCED USB download key The L710HG enables modules to enter forced download mode by pressing the FORCED USB BOOT b...

Page 13: ...d 11 4 3 WATCHDOG key Press the WDOG key and the PWRKEY key at the same time will disable the watchdog function Normally on the watchdog function is enabled the system will feed the dog regularly The watchdog button is mainly used for software debug Figure 4 3 WDOG key ...

Page 14: ...t this function has not been opened yet supports hardware flow control for AT instruction data transmission etc When using you need to dial the switch S4 to the right as shown in the arrow direction below Figure5 1 L710HG RS232 DB9 Port Note About the serial port baud rate associated Settings please refer to L710HG software user manual 5 2 USB AT UART Interface In addition to the DB9 serial port d...

Page 15: ...ual DEBUG serial port In use you need to dial the switch S4 to the left After the serial port is inserted into USB DB9 serial port is closed Sending AT can only use the USB virtual serial port mentioned in 5 2 Figure5 3 USB DEBUG UART Port 5 4 USB 2 0 Interface The L710HG module supports USB 2 0 with a maximum USB transfer rate of 480Mbps Software version download can be download through this USB ...

Page 16: ...t and Micro SIM card slot Each SIM slot automatic identification correspond change the SIM support voltage show as below figure Figure5 5 Standard SIM and Micro SIM Note Because L710HG only support one SIM card port so can t assemble two SIM card at the same time in your applications 5 6 Headset Interface If the audio codec chip MAX9867ETJ is used in L506_EVB_V3 the MIC input and sound output are ...

Page 17: ...g external antenna by cable GPS antenna USES IPX interface As shown in the figure below Figure5 7 Function module load plate and antenna interface Note L710HG has only one main antenna interface and the user can only use ANT_MAIN as the antenna interface when it is actually used 5 8 Audio interface TBD The L710HG module supports 1 channel PCM channel which can also be reused as I2S signal When usi...

Page 18: ...Chinese standard earphone needs to be plugged in Switch S3 to the bottom the CODEC chip is NUA8814 At this time the sound comes from the SPK end and 8 ohm horn can be welded to the SPK end Toggle switch as shown in the figure below Figure5 8 CODEC SWITCH S2 S3 The default audio solution on EVB development board is NAU8814 so the external audio channel is also developed based on NAU8814 The general...

Page 19: ... LED1 System supply indicator LED on indicate that the system is powered on LED2 CODEC enable Switch S2 to the top and software pull GPIO25 up the LED on LED3 NETLIGHT Network indicator LED4 I2C_SDA I2C GPIO Multiplexing channel LED5 SPI_MISO_BLSP2 SPI GPIO Multiplexing channel LED6 I2C_SCL I2C GPIO Multiplexing channel LED7 WAKEUP_IN Wake up the interrupt LED8 STATUS System status indicator LED9 ...

Page 20: ... each indicator light and toggle switch please refer to the L710HG software manual document 5 10 The others Development board reserved 1 groups of external connection pin interface used for debugging the peripheral devices and production test purpose The corresponding interface definition and physical objects as shown in the figure below ...

Page 21: ...f the derivation using 2 54 mm spacing standard dupont line can be connected Interface is located in the development board above the upper right corner specific interface function as shown in the figure below Figure5 11 Function interface UART 2 LED_RED 4 UART_RX 6 UART_CTS_N 8 UART_RTS_N 10 GND 1 UART_DTR 3 UART_TX 5 UART_DCD 7 UART_RI 9 VPH_PWR Keypad 9 NC 7 NC 5 NC 3 NC 1 NC 10 NC 8 NC 6 NC 4 N...

Page 22: ..._BLSP2 6 I2C_SDA 8 SPI_CS_N_BLSP2 10 GND 1 PCM_CLK 3 PCM_IN 5 PCM_OUT 7 PCM_SYNC 9 VPH_PWR Audio 2 EAR_OUT_N 4 EAR_OUT_P 6 GND 8 SPK_OUT_P1 10 SPK_OUT_N1 1 MIC1_P 3 MIC1_N 5 GND 7 MIC1_IN_P 9 MIC1_IN_M Table 5 2 Note the above figure and above table are the corresponding relations between form and practice ...

Page 23: ...embly EVB board parts altogether consists of four parts 1 the EVB board substrate 2 module board 3 module loading board connection EVB board substrate connection column and nuts 4 EVB board pillar base plate and screw L710HG module and loading board EVB column and nutPillar and the screw Figure 6 1 EVB Assemble ...

Page 24: ...DC power supply line Micro USB cable B C rod antenna D RF cable line As shown in the figure below Figure 6 2 Accessories and the connection diagram 6 2 1 Antenna description Type Single stage sub antenna Model 5J002B Type Single stage sub antenna GSM 850 1900 Gain 3dBi NB IoT B2 CAT M B2 Gain 3dBi NB IoT B4 B5 B12 B13 B26 CAT M B4 B5 B12 B13 B26 Gain 4dBi Support band CATM NB B2 B4 B5 B12 B13 B26 ...

Page 25: ...r Manual Copyright Shanghai Mobiletek Communication Ltd 23 6 3 Driver install Unzip file QUD WIN 1 1 Installer_10037 3 zip and click setup exe to install driver Select WWAN DHCP is not used to get IPAddress then Next ...

Page 26: ...L710HG EVB User Manual Copyright Shanghai Mobiletek Communication Ltd 24 Select I accept the terms in the license agreement then Next ...

Page 27: ...ai Mobiletek Communication Ltd 25 Check Always trust software from QUALCOMM Incorporated then Install Power on the L710HG module and connect USB cable Drivers have been installed successfully if the Device Manager panel display the following ...

Page 28: ...to complete third dial up configuration The testing card is china mobile SIM 1 Open win Computer right click Properties Device Manager 2 On Advance TAB type AT CGDCONT 1 IP CMNET and save it NOTES The third argument for APN defined by operators China unicom 2g network uninet China unicom 3g network 3gnet China mobile cmnet or cmwap ...

Page 29: ...L710HG EVB User Manual Copyright Shanghai Mobiletek Communication Ltd 27 3 Open Network and Sharing Center then set up a new connection or network ...

Page 30: ...L710HG EVB User Manual Copyright Shanghai Mobiletek Communication Ltd 28 ...

Page 31: ...ual Copyright Shanghai Mobiletek Communication Ltd 29 Type Dial up phone number User name Password then Connect NOTES 99 1 cmnetcmnet just for china mobile Please consult the operators to obtain information before connect ...

Page 32: ...L710HG EVB User Manual Copyright Shanghai Mobiletek Communication Ltd 30 ...

Page 33: ...L710HG EVB User Manual Copyright Shanghai Mobiletek Communication Ltd 31 Connected to the network successfully ...

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