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LTE Module Series

LTE OPEN EVB User Guide

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The figure and table below illustrate the pin assignment and pin definition of earphone interface J0802.

1

2

3

4

5

6

Figure 18: Pin Assignment of J0802

Table 8: Pin Definition of J0802

Pin No.

Pin Name

Description

1

MIC

Microphone input

2

AGND

Dedicated GND for audio

3

SPK_R

Right channel of stereo audio output

4

SPK_L

Left channel of stereo audio output

5, 6

NC

Not connected

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Summary of Contents for LTE OPEN EVB

Page 1: ...LTE OPEN EVB User Guide LTE Module Series Rev LTE_OPEN_EVB_User_Guide_V1 1 Date 2018 03 19 Status Released www quectel com ...

Page 2: ...ROVIDED 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 CONTAINED HEREIN AND DOES NOT ACCEPT ANY LIABILITY FOR ANY INJURY LOSS OR DAMAGE OF ANY KIND INCURRED BY USE OF OR RELIANCE UPON THE INFORMATION ALL INFORMATION SUPPLIED HEREIN IS SUBJECT TO CHANGE WITHOUT PRIOR...

Page 3: ...N EVB User Guide LTE_OPEN_EVB_User_Guide 2 62 About the Document History Revision Date Author Description 1 0 2017 12 29 Woody WU Lorry XU Initial 1 1 2018 03 19 Eden LIU Updated the GPIO List for AG35 QuecOpen module Table 27 ...

Page 4: ...rface 22 4 4 USB Interface J0601 25 4 5 Audio Interfaces 26 4 5 1 Digital Audio Codec Board Interface J0804 26 4 5 2 Analog Audio Interfaces J0805 J0801 J0802 28 4 5 2 1 Loudspeaker Interface J0805 28 4 5 2 2 Earphone Interface J0802 28 4 5 2 3 Handset Interface J0801 30 4 6 U SIM Interface J0901 31 4 7 SD Card Interfaces eMMC J0701 J0702 U0702 33 4 8 UART Interfaces J0501 J0502 J0503 38 4 9 SPI F...

Page 5: ...uide 4 62 5 2 1 Communication via USB Interface 57 5 2 2 Communication via UART Interface 58 5 3 Firmware Upgrade 59 5 4 Reset Modules 59 5 5 Power off Modules 60 5 5 1 Power off LTE QuecOpen modules 60 5 5 2 Power off Wi Fi modules 60 6 Appendix A References 61 ...

Page 6: ... OF J0702 36 TABLE 14 S0701 FUNCTION 36 TABLE 15 SD CARD FUNCTION GPIO CONFIGURATION 37 TABLE 16 EMMC FUNCTION GPIO CONFIGURATION 38 TABLE 17 PIN DEFINITION OF J0501 39 TABLE 18 PIN DEFINITION OF J0502 40 TABLE 19 PIN DEFINITION OF J0503 40 TABLE 20 COM MAIN COM UART1 FUNCTION GPIO CONFIGURATION 41 TABLE 21 SPI FLASH FUNCTION GPIO CONFIGURATION 43 TABLE 22 EEPROM FUNCTION GPIO CONFIGURATION 44 TAB...

Page 7: ...FOR EARPHONE INTERFACE J0802 28 FIGURE 18 PIN ASSIGNMENT OF J0802 29 FIGURE 19 SKETCH OF AUDIO PLUG 30 FIGURE 20 REFERENCE CIRCUIT DESIGN FOR HANDSET INTERFACE J0801 30 FIGURE 21 PIN ASSIGNMENT OF J0801 31 FIGURE 22 SIMPLIFIED INTERFACE SCHEMATIC FOR U SIM CARD CONNECTOR J0901 32 FIGURE 23 PIN ASSIGNMENT OF J0901 32 FIGURE 24 U SIM HOT PLUG GPIO CONFIGURATION 33 FIGURE 25 SIMPLIFIED INTERFACE SCHE...

Page 8: ... 46 FIGURE 44 TEST POINT J1004 J1005 J1006 50 FIGURE 45 TEST POINT J1003 J0505 J1007 J10204 J0203 51 FIGURE 46 USB PORTS 57 FIGURE 47 COM PORT SETTING FIELD ON QCOM USB AT PORT CONNECTION 58 FIGURE 48 USB SERIAL PORT 58 FIGURE 49 COM PORT SETTING FIELD ON QCOM USB SERIAL PORT CONNECTION 58 FIGURE 50 QFLASH CONFIGURATIONS FOR FIRMWARE UPGRADE 59 ...

Page 9: ... causes distraction and can lead to an accident You must comply with laws and regulations restricting the use of wireless devices while driving Switch off the cellular terminal or mobile before boarding an aircraft Make sure it is switched off The operation of wireless appliances in an aircraft is forbidden so as to prevent interference with communication systems Consult the airline staff about th...

Page 10: ...sed close to TV set radio computer or other electric equipment In locations with potentially explosive atmospheres obey all posted signs to turn off wireless devices such as your phone or other cellular terminals Areas with potentially explosive atmospheres include fuelling areas below decks on boats fuel or chemical transfer or storage facilities areas where the air contains chemicals or particle...

Page 11: ...sic functionalities of the following modules LTE QuecOpen modules EC2x QuecOpen 1 BG96 QuecOpen AG35 QuecOpen Wi Fi modules FC20 series 2 AF20 3 1 1 EC2x QuecOpen refers to EC21 EC25 EC20 R2 0 EC20 R2 1 QuecOpen modules 2 2 FC20 series contains FC20 and FC20 N and it is used in combination with Quectel EC2x QuecOpen modules Hereinafter it is called FC20 collectively 3 3 AF20 is used in combination...

Page 12: ...ufacturer GIGADEVICE Part number GD25LQ64CWIGR EEPROM Device Manufacturer ATMEL Part number AT24CS64 SSHM T U SIM Interface Support U SIM card insertion detection Support U SIM card 3 0V and 1 8V Audio Interfaces One digital audio codec board interface Support Realteck ALC5616 and TI Codec TLV320AIC3104 Three analog interfaces used for loudspeaker earphone and handset UART Interfaces Three UART in...

Page 13: ...the modules please refer to their respective hardware designs Switches and Buttons Five Switches Power Switch S0301 for VBAT ON OFF control SDC1 function switch S0201 for switching between GPIO and Wi Fi function SDC2 function switch S0701 for switching between SD and eMMC functions PCM function switch S1001 for switching between BT and codec functions Switch S0401 reserved for internal testing Tw...

Page 14: ...501 COM2 DEBUG D0204D0203D0202D0201 J1003 J0505 J0404 J0405 ADC0 ADC2 J0204 J0202 J0201 J0203 S1001 S0401 J0902 U SIM Card Connector Test Point Test Point Test Point Test Point Test Point Test Point Test Point Test Point J0702 GND J0602 Reserved eMMC U0702 EEPROM U0903 SPI FLASH U0601 VBAT GND Figure 1 LTE OPEN EVB Interface Overview Table 2 Interfaces of LTE OPEN EVB Interface Reference No Descri...

Page 15: ...h S0701 Switched to left connect SD card interface of EVB to SDC2 interface of LTE QuecOpen modules Switched to right connect eMMC to SDC2 interface of LTE QuecOpen modules PCM Function Switch S1001 Switched to left connect BT interface PCM of AF20 to the PCM interface of AG35 module Switched to right connect the codec board interface J0804 on EVB to the PCM interface of LTE QuecOpen modules Switc...

Page 16: ... indicator for LTE QuecOpen modules D0313 power saving mode status indicator for BG96 QuecOpen module D0201 D0204 used for GPIO testing and a high level will light up the LEDs TE A Interfaces J0101 J0102 Connectors for LTE QuecOpen TE A J0804 Connector for codec board interface J1001 J1002 Connectors for of Wi Fi Ethernet TE A ADC Interfaces J0403 J0404 J0405 Insert the jumper cap connect the anal...

Page 17: ...LTE Module Series LTE OPEN EVB User Guide LTE_OPEN_EVB_User_Guide 16 62 2 4 Top View of LTE OPEN EVB The top view of LTE OPEN EVB is shown as following figure Figure 2 LTE OPEN EVB Top View ...

Page 18: ...LTE Module Series LTE OPEN EVB User Guide LTE_OPEN_EVB_User_Guide 17 62 3 EVB Kit Accessories Assembly 3 1 EVB Kit Figure 3 LTE OPEN EVB Kit ...

Page 19: ...erter cable and driver disk Bolts and coupling nuts GNSS antenna USB driver disk Codec boards RF cables Micro USB cable Earphone Main antennas Wi Fi antenna Instruction sheet Figure 4 EVB Kit Accessories Table 3 Accessories List Items Description Quantity Cables USB to RS 232 converter cable 1 Micro USB cable 1 RF cables 4 Antennas Main antennas 2 GNSS antenna passive 1 ...

Page 20: ...ity reception Wi Fi antenna 1 Audio Earphone 1 Disks USB 2 0 to RS 232 driver and USB driver disk 2 Codec Boards ALC5616 and TLV320AIC3104 codec boards 2 Others Bolts and coupling nuts for assembling EVB 1 Instruction Sheet A sheet of paper giving instructions for EVB connection details of EVB accessories etc 1 NOTE ...

Page 21: ...It also provides information about the buttons switches status indicators and test points to help customers use the LTE OPEN EVB 4 1 Power Interfaces J0301 J0601 The LTE OPEN EVB can be powered by an external power adapter through connecting with the power jack J0301 or Micro USB receptacle J0601 on the EVB The power adapter connects to a step down converter which can provide the supply voltage VB...

Page 22: ...or Wi Fi modules ADC and eMMC Power supply for SD card U0401 LDO 1 8V Power supply for EEPROM SD card eMMC SPI Flash codec boards and Wi Fi modules Figure 5 Power Supply Schematic for LTE OPEN EVB Figure 6 Power Interfaces Before connecting the power supply customers have to select a proper DC power adapter to supply power for the LTE OPEN EVB and the power plug design of the adapter is shown as b...

Page 23: ...hese modules The following figure shows the connection between LTE QuecOpen TE A and the EVB J0102 J0101 Figure 8 Connection between LTE QuecOpen TE A and EVB 4 3 Wi Fi Ethernet TE A Interface The Wi Fi Ethernet TE A interface is designed to accommodate the TE A of FC20 and AF20 modules The TE A is connected to the EVB via BTB connectors J1001 and J1002 The interface allows customers to easily tes...

Page 24: ...IO_D0 SDIO_D1 SDIO_D2 SDIO_D3 42 46 50 52 54 56 46 50 52 54 56 42 SDIO_CMD SDIO_CLK SDIO_D0 SDIO_D1 SDIO_D2 SDIO_D3 GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND J1002 1 2 3 4 27 28 29 30 43 44 57 58 59 60 1 2 3 4 27 28 29 30 43 44 57 58 59 60 GND Figure 9 Simplified FC20 TE A AF20 TE A Interface Schematic Wi Fi Ethernet TE A SDIO J...

Page 25: ...FC20 TE A and EVB If Wi Fi and Ethernet function is intended to be used then please switch S0201 to the right and also short the signals illustrated in the figure and table below with the jumper cap Switched Direction Description Left Enable GPIO function Right Enable Wi Fi function Switched Direction Description Left PCM used for BT Right PCM used for codec ...

Page 26: ...rface is used for AT command communication data transmission firmware upgrade and GNSS NEMA output Pin No Pin Name Operation Pin No Pin Name Pin 27 J0202 COEX_UART_TX Shorted to Pin 28 J0202 GPIO_36 Pin 25 J0202 COEX_UART_RX Shorted to Pin 26 J0202 GPIO_37 Pin 23 J0202 WLAN_EN Shorted to Pin 24 J0202 GPIO_38 Pin21 J0202 WAKE_WLAN Shorted to Pin 22 J0202 GPIO_59 Pin 34 J0201 EPHY_INT_N Shorted to P...

Page 27: ...dependent small board which can be interconnected with EVB via the BTB connector J0501 Customers can select different codecs according to their own application demands and also can use AT command to switch between codecs Two examples are provided below For more details please refer to document 5 AT QDAI 3 switch codec from TLV320AIC3104 to ALC5616 AT QDAI 5 switch codec from ALC5616 to TLV320AIC31...

Page 28: ...and table below with the jumper cap Figure 15 Codec Function GPIO Configuration Table 7 Codec Function GPIO Configuration Pin No Pin Name Operation Pin No Pin Name Pin 19 J0202 PCM_SYNC Shorted to Pin 20 J0202 GPIO_79 Pin 17 J0202 PCM_CLK Shorted to Pin 18 J0202 GPIO_78 Pin 15 J0202 PCM_OUT Shorted to Pin 16 J0202 GPIO_77 Pin 13 J0202 PCM_IN Shorted to Pin 14 J0202 GPIO_76 Pin 14 J0201 I2C_SDA Sho...

Page 29: ...speaker GND GND ESD ESD Codec FB FB C1 C2 J0805 U0101 ALC5616 TLV3104 NCP2823 BTB CON J0804 U0801 J0803 VBAT VP Figure 16 Reference Circuit Design for Loudspeaker Interface J0805 4 5 2 2 Earphone Interface J0802 Audio interface J0802 is designed for earphones A reference circuit design for earphone interface J0802 is shown as following figure SPK_L MIC_N MIC_P 75pF GND GND AGND Close to Socket Dif...

Page 30: ...gnment and pin definition of earphone interface J0802 1 2 3 4 5 6 Figure 18 Pin Assignment of J0802 Table 8 Pin Definition of J0802 Pin No Pin Name Description 1 MIC Microphone input 2 AGND Dedicated GND for audio 3 SPK_R Right channel of stereo audio output 4 SPK_L Left channel of stereo audio output 5 6 NC Not connected ...

Page 31: ...2Ω 32Ω Figure 19 Sketch of Audio Plug 4 5 2 3 Handset Interface J0801 Audio interface J0801 is designed for handsets A reference circuit design for handset interfaces J0801 is shown below ESD 33pF ESD ESD ESD 33pF 33pF 33pF 33pF 33pF 10pF 10pF 10pF 10pF 10pF 10pF IN2P IN2N LOUDL P LOUDR N FB J0801 U0101 Codec ALC5616 TLV3104 4 1 3 2 BTB CON J0804 Figure 20 Reference Circuit Design for Handset Inte...

Page 32: ...able 9 Pin Definition of J0801 4 6 U SIM Interface J0901 LTE OPEN EVB has two 6 pin push push type U SIM card 3 0V or 1 8V connectors J0901 and J0902 and J0902 is reserved for future use The following figure shows the simplified interface schematic for J0901 Pin No Pin Name Function 1 MICN Negative microphone input 2 SPKN Negative loudspeaker output 3 SPKP Positive loudspeaker output 4 MICP Positi...

Page 33: ...1 Figure 22 Simplified Interface Schematic for U SIM Card Connector J0901 The figure and table below illustrate the pin assignment and pin definition of J0901 C5 C6 C7 C1 C2 C3 CD2 CD1 C1 C2 C3 C5 C6 C7 Figure 23 Pin Assignment of J0901 Table 10 Pin Definition of J0901 Pin No Signal Name I O Function C1 USIM_VDD PO U SIM card power supply provided by LTE OPEN EVB C2 USIM_RST DO U SIM card reset si...

Page 34: ... SD card interfaces J0701 and J0702 which can be used for micro SD cards and standard SD cards respectively These two interfaces support maximally 32GB and cannot be used simultaneously With the SD card interface customers can easily enhance the memory capacity of modules C6 VPP Not connected C7 USIM_DATA IO Data line bidirectional CD1 GND U SIM card insertion detection CD2 USIM_PRESENCE DI U SIM ...

Page 35: ... for J0701 J0702 and U0702 SD card connector SDIO J0101 J0701 SDC2 SD card connector SDIO J0702 Analog switch SEL U0701 SDIO eMMC U0702 S0701 RESET DET J0201 GPIO Figure 25 Simplified Interface Schematic for SD Card Interface J0701 J0702 12345678 Figure 26 Pin Assignment of J0701 1 2 34 5 6 78 9 DET Figure 27 Pin Assignment of J0702 ...

Page 36: ...finition of J0701 1 Direction from connector to SD card Pin No Signal Name I O1 Function 1 DAT2 IO SDIO data line 2 2 CD DAT3 IO Card detect SDIO data line 3 3 CMD IO SDIO command line 4 VDD PO Supply voltage 5 CLK DO SDIO clock 6 VSS Power supply GND 7 DAT0 IO SDIO data line 0 8 DAT1 IO SDIO data line 1 NOTE ...

Page 37: ...re and table below After that a standard SD card can be inserted into J0702 or a micro SD card into J0701 Pin No Signal Name I O1 Function 1 CD DAT3 IO Card detect SDIO data line 3 2 CMD IO SDIO command line 3 VSS Power supply GND 4 VDD P Supply voltage 5 CLK IO SDIO clock 6 VSS2 Power supply GND 7 DAT0 IO SDIO data line 0 8 DAT1 IO SDIO data line 1 9 DAT2 IO SDIO data line 2 DET DI SD card detect...

Page 38: ...le 15 SD Card Function GPIO Configuration If eMMC function is intended to be used then please switch S0701 to the right and short the signal illustrated in the figure and table below Figure 30 eMMC Function GPIO Configuration Pin No Pin Name Operation Pin No Pin Name Pin 37 J0201 SD_INS_DET Shorted to Pin 38 J0201 GPIO_26 ...

Page 39: ...is intended for the communication between the module and the host application It can be used for data transmission The following figure shows the block diagram of J0501 J0502 J0503 on LTE OPEN EVB J0101 LTE QuecOpen Module RS 232 Level Match 3 0V 1 8V Level Translator COM DEBUG DB9 J0501 RS 232 3 0V 1 8V U0504 U0502 RS 232 Level Match 3 0V 1 8V Transistor Level Translator COM UART1 DB9 J0503 RS 23...

Page 40: ...503 are illustrated below 8 9 1 2 3 4 5 6 7 Figure 32 Pin Assignment of J0501 Table 17 Pin Definition of J0501 8 9 1 2 3 4 5 6 7 Figure 33 Pin Assignment of J0502 Pin No Signal Name I O Description 1 6 7 8 9 Not connected 2 RS232_RXD DI Receive Data 3 RS232_TXD DO Transmit data 4 RS232_DTR DI Data terminal ready 5 RS232_GND GND ...

Page 41: ...n of J0503 Pin No Signal Name I O Description 1 NC Not connected 2 RS232_RXD DI Receive data 3 RS232_TXD DO Transmit data 4 RS232_DTR DI Data terminal ready 5 RS232_GND GND 6 NC Not connected 7 RS232_RTS DI Request to send 8 RS232_CTS DO Clear to send 9 NC Not connected Pin No Signal Name I O Description 1 NC Not connected 2 RS232_RXD DI Receive data 3 RS232_TXD DO Transmit data ...

Page 42: ...tion Table 20 COM MAIN COM UART1 Function GPIO Configuration 4 NC Not connected 5 RS232_GND GND 6 NC Not connected 7 RS232_RTS DI Request to send 8 RS232_CTS DO Clear to send 9 NC Not connected Pin No Pin Name Operation Pin No Pin Name COM MAIN J0502 Pin 5 J0202 MAIN_TXD Shorted to Pin 6 J0202 GPIO_0 Pin 7 J0202 MAIN_RXD Shorted to Pin 8 J0202 GPIO_1 Pin 9 J0202 MAIN_RTS Shorted to Pin 10 J0202 GP...

Page 43: ...evice If the function is intended to be used then please short the signals illustrated in the figure and table below Figure 37 SPI Flash Function GPIO Configuration COM UART1 J0503 Pin 15 J0201 UART1_RTS Shorted to Pin 14 J0201 GPIO_6 Pin 18 J0201 UART1_CTS Shorted to Pin 17 J0201 GPIO_7 Pin 21 J0201 UART1_TXD Shorted to Pin 20 J0201 GPIO_4 Pin 24 J0201 UART1_RXD Shorted to Pin 23 J0201 GPIO_5 ...

Page 44: ... 38 EEPROM Device If the function is intended to be used then please short the signals illustrated in the figure and table below Figure 39 EEPROM Function GPIO Configuration Pin No Pin Name Operation Pin No Pin Name Pin 3 J0201 SPI_MOSI Shorted to Pin 2 J0201 GPIO_20 Pin 6 J0201 SPI_MISO Shorted to Pin 5 J0201 GPIO_21 Pin 9 J0201 SPI_CS_N Shorted to Pin 8 J0201 GPIO_22 Pin 12 J0201 SPI_CLK Shorted...

Page 45: ...es S0201 S0301 S0401 S1001 and S0701 and two buttons S0402 and S0403 as shown in the following figures S0201 S0701 S1001 Figure 40 S0201 S0701 S1001 Switch S0301 S0401 S0403 S0402 Figure 41 S0301 S0401 Switch and S0403 S0402 Button Pin No Pin Name Operation Pin No Pin Name Pin 14 J0201 I2C_SDA Shorted to Pin 13 J0201 GPIO_6 Pin 17 J0201 I2C_SCA Shorted to Pin 16 J0201 GPIO_7 ...

Page 46: ...t connect BT interface PCM of AF20 to the PCM interface of AG35 module Switched to right connect the codec board interface J0804 on EVB to the PCM interface of LTE QuecOpen modules S0201 Switched to left connect the GPIO interface of J0203 to the module s SDC1 interface for testing customers own modules Switched to right connect the SDIO interface of FC20 and AF20 modules to SDC1 interface of LTE ...

Page 47: ...N OFF indicator Bright VBAT ON Extinct VBAT OFF D0311 Power ON OFF indicator for LTE QuecOpen modules Bright the module is powered on Extinct the module is powered off D0312 Network status indicator for LTE QuecOpen modules For detailed information please refer to document 2 D0313 Power saving mode status indicator for BG96 QuecOpen module D0201 D0204 Used for GPIO testing and a high level will li...

Page 48: ...GPIO_3 9 MAIN_RTS 10 GPIO_2 7 MAIN_RXD 8 GPIO_1 5 MAIN_TXD 6 GPIO_0 3 USIM1_PRESENCE 4 GPIO_34 1 VDD_1V8 2 VDD_1V8 Pin No Pin Name Pin No Pin Name Pin No Pin Name 37 SD_INS_DET 38 GPIO_26 39 EMMC_RSTN 34 EPHY_INT_N 35 GPIO_30 36 USIM2_PRENSCE 31 EPHY_RST_N 32 GPIO_29 33 USIM2_RST 28 SGMII_MDATA 29 GPIO_28 30 USIM2_CLK 25 SGMII_CLK 26 GPIO_27 27 USIM2_DATA 22 NC 23 GPIO_5 24 UART1_RXD 19 NC 20 GPIO...

Page 49: ...4 UART2_RXD_BT 5 GPIO_21 6 SPI_MISO 1 UART2_TXD_BT 2 GPIO_20 3 SPI_MOSI AG35 QuecOpen Pin No AG35 QuecOpen Pin Name GPIO Number on AG35 QuecOpen Module Pin Name on LTE OPEN EVB 6 EPHY_RST_N GPIO_29 J0201 7 SGMII_CLK GPIO_27 J0201 8 SGMII_DATA GPIO_28 J0201 9 EPHY_INT_N GPIO_30 GPIO_30 J0201 25 USIM_ PRESENCE GPIO_34 GPIO_34 J0202 42 I2C1_SDA GPIO_18 GPIO_6 J0201 43 I2C1_SCL GPIO_19 GPIO_7 J0201 52...

Page 50: ...R0921 77 SPI_MOSI GPIO_20 SPI_MOSI_AG35 J1005 78 SPI_MISO GPIO_21 SPI_MISO_AG35 J1005 79 SPI_CS_N GPIO_22 SPI_CS_AG35 J1005 80 SPI_CLK GPIO_23 SPI_CLK_AG35 J1005 143 OTG_PWR_EN GPIO_41 OTG_PWR_EN J0603 144 GPIO4 GPIO_25 GPIO3 J0203 147 GPIO5 GPIO_24 GPIO5 J0203 149 WLAN_EN GPIO_54 GPIO_38 J0202 150 GPIO6 GPIO_42 GPIO1 J0203 159 GPIO7 GPIO_58 GPIO1_AG35 160 WLAN_WAKE GPIO_59 GPIO_59 J0202 163 UART2...

Page 51: ...input test function is intended to be used then please connect the GPIO to be tested of J0201 J0202 to J0204 pin 1 VDD_1V8 or pin 6 GND 4 14 Test Points LTE OPEN EVB provides a series of test points They can help customers to obtain the corresponding waveform of some signals The following two figures show test points J1003 J1004 J1005 J1006 J0505 J1007 J0203 and J0204 2 4 6 8 10 1 2 3 4 5 6 7 8 9 ...

Page 52: ...1 2 3 4 5 6 7 8 9 10 Figure 45 Test Point J1003 J0505 J1007 J10204 J0203 Table 28 Pin Definition of Test Points J0203 Pin No Pin Name Description 1 GPIO1 Connect directly to LTE QuecOpen modules 2 GPIO2 3 GPIO3 4 GPIO4 5 GPIO5 6 GPIO6 7 GPIO_12 Connect to LTE QuecOpen modules with analog switch U0201 If GPIO function is intended to be used S0201 should be switched to the left 8 GPIO_13 ...

Page 53: ...15 GRFC1 Reserved 16 GRFC2 Reserved J0203 Pin No Pin Name Description 1 VDD_1V8 1 8V power supply from U0401 2 LED1 Can be connected to any GPIO Used for GPIO output test 3 LED2 4 LED3 5 LED4 6 GND GND J0505 Pin No Pin Name Description 1 WDOG_DISABLE Reserved 2 GND GND 3 DEBUG_RXD_3 3V Used for test 4 DEBUG_TXD_3 3V 5 DEBUG_TXD_1 8V 6 DEBUG_RXD_1 8V J1003 ...

Page 54: ...0201 pin 16 8 PCM_CLK Connected to J0202 pin 17 with analog switch U1001 If this function is intended to be used S1001 should be switched to the right 9 CLK_OUT Reserved 10 GND Ground J1004 Pin No Pin Name Description 1 3 5 7 DTR_TEST Data terminal ready test pins Customers can connect COM MAIN to PC and use the UART tool to control DTR 2 VDD_EXT Connected directly to VDD_EXT of LTE QuecOpen modul...

Page 55: ... module 2 VDD_1V8 Connected directly to U0401 Connect it to USB_BOOT pin will make the EC2x AG35 QuecOpen module enter into emergency download mode 3 SPI_MOSI_AG35 Connected directly to AG35 QuecOpen module 4 USB_BOOT Connected directly to EC2x AG35 QuecOpen module Connect it to USB_BOOT pin will make the EC2x AG35 QuecOpen modules enter into emergency download mode 5 SPI_MISO_AG35 Connected direc...

Page 56: ...N_TXD_1 8V 9 VDD_1V8 1 8V power supply from U0401 10 GND GND J1007 Pin No Pin Name Description 1 UART1_RTS_3 0V Used for test 2 UART1_RTS_1 8V 3 UART1_RXD_3 0V 4 UART1_RXD_1 8V 5 UART1_CTS_3 0V 6 UART1_CTS_1 8V 7 UART1_TXD_3 0V 8 UART1_TXD_1 8V 9 VDD_1V8 1 8V power supply from U0401 10 GND GND ...

Page 57: ...ator will light up Press the S0403 PWRKEY for at least 100ms then the module will be powered on and D0311 power ON OFF status indicator will light up 5 1 2 Power on Wi Fi Modules Wi Fi function is only supported on Quectel EC2x AG35 QuecOpen module BG96 QuecOpen does not support the function 1 Make sure EC2x AG35 QuecOpen module is powered on if there is a need to test the Wi Fi function of them 2...

Page 58: ...efer to document 1 The USB port numbers can be viewed through the PC Device Manager as shown below Figure 46 USB Ports 3 Install and then use the QCOM tool provided by Quectel to realize the communication between the module and the PC The following figure shows the COM Port Setting field on QCOM select correct COM port USB AT Port which is shown in above figure and set correct Baudrate such as 115...

Page 59: ...and the USB serial port number can be checked through the PC Device Manager as shown below Figure 48 USB Serial Port 3 Install and then use the QCOM tool provided by Quectel to realize the communication between the module and the PC The following figure shows the COM Port Setting field on QCOM select correct COM port USB Serial Port and set correct Baudrate such as 115200bps For more details about...

Page 60: ... COM Port dropdown list and select the USB DM port 3 Click the Load FW Files button to choose the firmware package 4 Click the Start button to upgrade the firmware Figure 50 QFlash Configurations for Firmware Upgrade 5 4 Reset Modules The emergency reset option is only used in case of emergency For example the software does not respond for more than 5s due to some serious problems Press the button...

Page 61: ...t and the safest way The module will log off from the network and save data before shutdown but it will be powered on again after shutdown For more details about the AT command please refer to document 5 The other way is to press down S0302 PWRKEY for at least 0 6s and then the module will be powered off 5 5 2 Power off Wi Fi modules AT QWIFI 0 command can be used to power off Wi Fi modules For mo...

Page 62: ...Respective hardware design for EC2x BG96 AG35 QuecOpen modules 3 Quectel_FC20_Series_Hardware_Design FC20 series hardware design 4 Quectel_AF20_Hardware_Design AF20 hardware design 5 Quectel_xx_AT_Commands_Manual AT commands manual of EC2x BG96 and AG35 modules 6 Quectel_QCOM_User_Guide User guide for QCOM tool Abbreviation Description AGND Analogue Ground BTB Board to Board COM Cluster Communicat...

Page 63: ... Microphone NC Not Connected PC Private Computer PCB Printed Circuit Board PCM Pulse Code Modulation PO Power Output RF Radio Frequency SD Secure Digital UART Universal Asynchronous Receiver Transmitter UMTS Universal Mobile Telecommunications System USB Universal Serial Bus U SIM Universal Subscriber Identity Module VBAT Voltage of Battery ...

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