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LTE Module Series

M.2 EVB User Guide

M.2_EVB_User_Guide 20 / 37

PCM_IN

PCM_OUT

PCM_SYNC

PCM_CLK

I2C_SCL

I2C_SDA

U101

TLV3104

Module

VDD_EXT

4

.7

K

4

.7

K

BCLK

LRCK

DACDAT1

ADCDAT1

SCL

SDA

M

IC

_

B

IA

S

MIC_BIAS

IN2P

IN2N

LOUDL/P

LOUDR/N

R

C

HPO_R

HPO_L

J302

2

4

5

3

1

6

J303 MIC

BTB CON

BTB CON

J301

J301

Figure 11: Reference Design for Connection between Codec Board and EVB

Figure 12: Connection between Codec Board and EVB

4.4.2.

Earphone Interface (J302)

Audio interface J302 is designed for earphones. A reference circuit design for the interface is shown as
following figure.

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Содержание M.2 EVB

Страница 1: ...M 2 EVB User Guide LTE Module Series Rev M 2_EVB_User_Guide_V1 0 Date 2018 07 13 Status Released www quectel com ...

Страница 2: ...ED 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 NOTI...

Страница 3: ...LTE Module Series M 2 EVB User Guide M 2_EVB_User_Guide 1 37 About the Document History Revision Date Author Description 1 0 2018 07 13 Storm BAO Claude WEI Initial ...

Страница 4: ...rface J101 J701 16 4 2 M 2 Interface J501 17 4 3 USB Interface J701 18 4 4 Audio Interfaces J301 J302 J303 19 4 4 1 Digital Audio Codec Board Interface J301 19 4 4 2 Earphone Interface J302 20 4 4 3 Handset Interface J303 22 4 5 U SIM Interfaces J401 J402 23 4 6 Switches and Button 25 4 7 Status Indication LEDs 25 4 8 Test Points 26 5 Operation Procedures Illustration 32 5 1 Power on the Module 32...

Страница 5: ...E 8 DESCRIPTION OF THE SWITCHES AND BUTTON 25 TABLE 9 DESCRIPTION OF STATUS INDICATORS 26 TABLE 10 PIN DEFINITION OF J502 27 TABLE 11 PIN DEFINITION OF J503 28 TABLE 12 PIN DEFINITION OF J504 29 TABLE 13 PIN DEFINITION OF J505 29 TABLE 14 PIN DEFINITION OF J202 30 TABLE 15 PIN DEFINITION OF J601 30 TABLE 16 PIN DEFINITION OF J602 31 TABLE 17 PIN DEFINITION OF J603 31 TABLE 18 PIN DEFINITION OF J60...

Страница 6: ...12 CONNECTION BETWEEN CODEC BOARD AND EVB 20 FIGURE 13 REFERENCE CIRCUIT DESIGN FOR EARPHONE INTERFACE J302 21 FIGURE 14 PIN ASSIGNMENT OF J302 21 FIGURE 15 SKETCH OF AUDIO PLUG 22 FIGURE 16 REFERENCE CIRCUIT DESIGN FOR HANDSET INTERFACE J303 22 FIGURE 17 PIN ASSIGNMENT OF J303 23 FIGURE 18 PIN ASSIGNMENTS OF J401 J402 24 FIGURE 19 SWITCHES AND BUTTON 25 FIGURE 20 STATUS INDICATORS 26 FIGURE 21 TE...

Страница 7: ...can lead to an accident Please comply with laws and regulations restricting the use of wireless devices while driving Switch off the cellular terminal or mobile before boarding an aircraft The operation of wireless appliances in an aircraft is forbidden to prevent interference with communication systems If the device offers an Airplane Mode then it should be enabled prior to boarding an aircraft P...

Страница 8: ...lose 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 particles suc...

Страница 9: ...ypically 5 0V VBAT 3 7V M 2 Interface Standard PCI Express M 2 interface USB Interfaces USB Type C Support USB 2 0 USB 3 0 Audio Interface One digital audio codec board interface Support TI TLV320AIC3104 codec board Two analog interfaces used for earphone and handset U SIM Interfaces Support U SIM card 3 0V and 1 8V Include USIM1 and USIM2 interfaces Support Dual SIM Single Standby Switches and Bu...

Страница 10: ...eserved J202 J502 J503 J505 J504 Codec Board Interface J401 J402 J201 Figure 1 M 2 EVB Interface Overview Table 2 Interfaces of M 2 EVB Interface Reference No Description Power Supply J101 bottom side The power jack on the EVB Typical supply voltage 5V J701 USB Type C interface Typical supply voltage 5V Power Switch S101 Power ON OFF control PWRKEY S103 Turn on off the module RESET S102 Reset butt...

Страница 11: ...M Port J201 bottom side Debug UART port only for internal debugging by Quectel Status Indication LEDs D101 D102 D103 D101 Power ON OFF indicator is used to indicate power ON OFF status of the EVB D102 is used to indicate whether RF is capable of transmitting D103 is used to indicate a URC reporting which could wake up the module M 2 J501 M 2 standard connector for the module Switches S701 Switch f...

Страница 12: ...LTE Module Series M 2 EVB User Guide M 2_EVB_User_Guide 11 37 2 3 Top and Bottom Views of M 2 EVB The top and bottom views of the M 2 EVB are shown as following figures Figure 2 M 2 EVB Top View ...

Страница 13: ...LTE Module Series M 2 EVB User Guide M 2_EVB_User_Guide 12 37 Figure 3 M 2 EVB Bottom View 2 4 EVB Kit Accessories All accessories of the M 2 EVB kit are listed as below ...

Страница 14: ...n Sheet USB to RS 232 Driver Disk Figure 4 M 2 EVB Kit Accessories Table 3 Accessories List Items Description Quantity Cables USB type C cable 1 USB to UART converter cable 1 RF cables 3 Antennas Main antennas 2 GNSS antenna passive 1 Audio Earphone 1 Disks USB 2 0 to RS 232 driver and USB driver disk 2 Codec Board TLV320AIC3104 codec board 1 Others Bolts and coupling nuts for assembling EVB 4 for...

Страница 15: ...es M 2 EVB User Guide M 2_EVB_User_Guide 14 37 The main antenna can also be used for diversity reception Instruction Sheet A sheet of paper giving instructions for EVB connection details of EVB accessories etc 1 NOTE ...

Страница 16: ...LTE Module Series M 2 EVB User Guide M 2_EVB_User_Guide 15 37 3 EVB Kit Accessories Assembly The following figure shows the EVB kit accessories assembly Figure 5 M 2 EVB Kit Accessories Assembly ...

Страница 17: ...Interface J101 J701 The M 2 EVB can be powered by an external power adapter through connecting with the power jack J101 or USB receptacle J701 on the EVB The power adapter connects to a step down converter which can provide the supply voltage VBAT required for operating the EVB and the module The following two figures show the simplified power supply schematic and the power interface of the M 2 EV...

Страница 18: ...n of the adapter is shown as below Inner contact Outer contact Figure 8 Power Plug Design 4 2 M 2 Interface J501 The M 2 interface is designed to accommodate the EM05 and EM06 modules The module is connected to the EVB via BTB connectors J501 The interface allows customers to easily test the functionalities of EM05 and EM06 modules or develop applications based on the module The following figure s...

Страница 19: ...communication data transmission GNSS NMEA output software debugging firmware upgrade and voice over USB 1 The M 2 EVB provides a USB Type C interface J701 for connection with a host device The USB data lines D and D are connected directly to the EM06 module The CC1 and CC2 lines can be used for Type C configuration channel signals The VBUS lines can be used for USB connection detection and EVB pow...

Страница 20: ...it 1 means under development 2 1 The USB interface of EM05 does not support voice over USB function 4 4 Audio Interfaces J301 J302 J303 Quectel M 2 EVB provides one digital audio codec board interface PCM J301 and two analog audio interfaces J302 and J303 This chapter gives a detailed introduction on these audio interfaces 4 4 1 Digital Audio Codec Board Interface J301 The M 2 EVB supports the ext...

Страница 21: ... MIC_BIAS MIC_BIAS IN2P IN2N LOUDL P LOUDR N R C HPO_R HPO_L J302 2 4 5 3 1 6 J303 MIC BTB CON BTB CON J301 J301 Figure 11 Reference Design for Connection between Codec Board and EVB Figure 12 Connection between Codec Board and EVB 4 4 2 Earphone Interface J302 Audio interface J302 is designed for earphones A reference circuit design for the interface is shown as following figure ...

Страница 22: ...ck 22uF U101 J302 1 4 5 3 2 SPK_R 10pF 33pF 22uF 6 MIC_P 0R NM_0R 33pF GND AGND 0R NM_0R 10pF 4 7uF BTB CON J301 Figure 13 Reference Circuit Design for Earphone Interface J302 The figure and table below illustrate the pin assignment and definition of earphone interface J302 1 2 3 4 6 5 Figure 14 Pin Assignment of J302 Table 5 Pin Definition of J302 Pin No Pin Name Description 1 MIC_P Microphone in...

Страница 23: ...udio interface J303 is designed for handsets A reference circuit design for handset interfaces J303 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 J303 U101 Codec TE A 4 1 3 2 BTB CON J301 Figure 16 Reference Circuit Design for Handset Interface J303 2 AGND Dedicated GND for audio 3 SPK_R Right channel of stereo audio output ...

Страница 24: ...02 The M 2 EVB has two 8 pin push push type U SIM card 3 0V or 1 8V connector J401 and J402 Both of them can be used for EM06 module and EM06 supports Dual SIM Single Standby function The J402 is not applicable for EM05 module The following figure shows the pin assignment and definition of J401 J402 Pin No Pin Name Function 1 MICN Negative microphone input 2 SPKN Negative loudspeaker output 3 SPKP...

Страница 25: ...e I O Description C1 SIM_VDD PO U SIM card power supply provided by M 2 EVB C2 SIM_RST DO U SIM card reset C3 SIM_CLK DO U SIM card clock C5 GND Ground C6 VPP Not connected C7 SIM_DATA I O Data line bi directional CD1 U SIM card insertion detection CD2 SIM_PRESENCE I O U SIM card insertion detection When the U SIM card is present it is at high level pulled up to 1 8V When the U SIM card is absent ...

Страница 26: ...01 Figure 19 Switches and Button Table 8 Description of the Switches and Button 4 7 Status Indication LEDs The M 2 EVB includes three status indication LEDs D101 D102 and D103 The following figure shows the location of these LED indicators Reference No Description S701 Used to switch between EM05 and EM06 modules S101 Power ON OFF control S103 Used to turn on off the module S102 Used to reset the ...

Страница 27: ... J602 J603 and J604 Reference No Description D101 Power ON OFF indicator indicating the power supply status of the EVB Bright the module is powered on Extinct the power is powered off D103 Operation status indicator for the module When a URC returns a 1s low level pulse will be outputted Used to indicate a URC reporting which could wake up the module Bright A call SMS message or data is coming the...

Страница 28: ...ready test pin 2 GNSS_IRQ GNSS_IRQ test pin 3 DTR Data terminal ready test pin 4 W_DIS2 GPS control test pin 5 DTR Data terminal ready test pin 6 W_DIS1 Airplane mode control test pin 7 DTR Data terminal ready test pin 8 N_RESET Module reset test pin 9 DTR Data terminal ready test pin 10 P_OFF A signal control to power on off the module 11 DTR Data terminal ready test pin 12 P_EN Module power supp...

Страница 29: ...3 13 DTR Data terminal ready test pin 14 DPR Dynamic power control test pin 15 Not connected 16 Not connected Pin No Pin Name Description 1 VBAT Module power supply test pin 2 COEX3 Connected directly to pin 60 of EM06 module 3 COEX2 Connected directly to pin 62 of EM06 module 4 COEX1 Connected directly to pin 64 of EM06 module 5 SIM2_VDD Power supply for U SIM2 card test pin 6 GND Ground ...

Страница 30: ...tenna control 3 ANT2 Tunable antenna control 4 OTG_PWR_EN USB power supply enable pin 5 USB_ID USB_ID test pin 6 SYS_CLK PCM interface clock signal test pin 7 VDD_EXT GPIO3 Tunable antenna control Pin No Pin Name Description 1 VBAT Module power supply test pin 2 LED WWAN status indicators test pin 3 WAKEUP HOST A signal to wake up the host 4 NC6 Not connected 5 RESET System reset test pin 6 GND Gr...

Страница 31: ...03 Figure 23 Test Points J202 J601 J602 J603 and J604 Table 14 Pin Definition of J202 Table 15 Pin Definition of J601 Pin No Pin Name Description 1 DEBUG_TXD_1V8 DEBUG_TXD_1V8 test pin 2 DEBUG_RXD_1V8 DEBUG_RXD_1V8 test pin Pin No Pin Name Description 1 DETECT_1 Module insertion detection pin 2 GND Ground ...

Страница 32: ...Definition of J603 Table 18 Pin Definition of J604 Pin No Pin Name Description 1 DETECT_2 Module insertion detection pin 2 GND Ground Pin No Pin Name Description 1 VCC Module power supply test pin 2 VBAT Module power supply test pin Pin No Pin Name Description 1 VBAT Module power supply test pin 2 GND Ground ...

Страница 33: ...a 5V power adapter or connect the EVB to PC via USB Type C cable 4 Switch S101 Power Switch to ON state then the D101 Power ON OFF indicator will light up which indicates that the power supply for the EVB is ready In such case switch S103 PWRKEY to ON state the module will be powered on automatically and then D102 WWAN_LED will be light up when RF function is enabled Table 19 Indication of D101 D1...

Страница 34: ...een 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 115200bps For more details about QCOM tool usage and configuration please refer to document 4 Figure 25 COM Port Setting Field on QCOM USB AT Port Connection 5 3 Firmware Upgrade The firmware of the module is upg...

Страница 35: ...e Module 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 S102 RESET for 250ms 600ms for EM06 module or 150ms 460ms for EM05 module then release it to reset the module However this operation may cause the loss of information stored in the memory as the reset module has been initiali...

Страница 36: ...103 to OFF state the module will be powered off Software shutdown Turn off the module using AT QPOWD command Please refer to document 2 for details about AT QPOWD command 5 6 Test Current Consumption The M 2 EVB can also be used to test the current consumption of the module after making the following modifications 1 Remove R607 Figure 27 Location of R607 NOTE ...

Страница 37: ...nect an external power supply to J603 or J604 either of them to supply power for the module independently Figure 28 Location of J603 and J604 2 Power on the module according to the procedure mentioned in Chapter 5 1 and then test the current consumption of the module ...

Страница 38: ..._Commands_Manual Respective AT commands manual for EM05 and EM06 modules 3 Quectel_xx_Hardware_Design Respective hardware design for EM05 and EM06 modules 4 Quectel_QCOM_User_Guide User guide for QCOM tool 5 Quectel_QFlash_User_Guide User guide for QFlash tool Abbreviation Description COM Cluster Communication Port DC Direct Current DO Digital Output GND Ground I O Input Output LED Light Emitting ...

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