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NB-IoT Module Series

BC68-TE-B User Guide

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Figure 9: ST-LINK Interface Displayed on PC

3.2.3. Description of Pin Connection

The table below shows the pin connection between BC68-TE-B and STM32-L476RG MCU.

Table 3: Pin Connection between BC68-TE-B and STM32-L476RG MCU

No.

MCU (Morpho)

Arduino

BC68-TE-B

Remark

PA2

CN9-2

MCU_TX

Main port RX

PA3

CN9-1

MCU_RX

Main port TX

PA1

CN8-2

POWER_EN

DC-DC enable

PA5

D13

CN5-6

RESET_N

Active high

PA0

CN8-1

ADC

+3V3

CN6-2, 4

+3.3V

3.3V power supply

+5V

CN6-5

+5V

5.0V power supply

GND

CN5-7, CN6-6, 7

GND

Ground

Summary of Contents for BC68-TE-B

Page 1: ...BC68 TE B User Guide NB IoT Module Series Rev BC68 TE B_User_Guide_V1 0 Date 2017 11 24 Status Released www quectel com ...

Page 2: ...MATION 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 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 WITHO...

Page 3: ...NB IoT Module Series BC68 TE B User Guide BC68 TE B_User_Guide 2 22 About the Document History Revision Date Author Description 1 0 2017 11 24 Brooke Initial ...

Page 4: ...dures with Single Board 12 3 1 1 Interface Diagram of Using BC68 TE B Alone 12 3 1 2 Operation Procedures of Using BC68 TE B Alone 13 3 2 Operation Procedures with Multi Boards 13 3 2 1 Interface Diagram of Using Multi Boards 14 3 2 2 Operation Procedures of Using Multi Boards 15 3 2 3 Description of Pin Connection 16 4 Electrical and Reliability 18 4 1 Absolute Maximum Ratings 18 4 2 Operating an...

Page 5: ...TABLE 1 KEY FEATURES OF BC68 TE B 8 TABLE 2 INTERFACES OF BC68 TE B 10 TABLE 3 PIN CONNECTION BETWEEN BC68 TE B AND STM32 L476RG MCU 16 TABLE 4 ABSOLUTE MAXIMUM RATINGS 18 TABLE 5 OPERATING AND STORAGE TEMPERATURES 18 TABLE 6 RELATED DOCUMENTS 22 TABLE 7 TERMS AND ABBREVIATIONS 22 ...

Page 6: ...BC68 TE B ALONE 12 FIGURE 5 UART PORTS DISPLAYED ON PC 13 FIGURE 6 INTERFACE DIAGRAM OF USING MULTI BOARDS 14 FIGURE 7 STM32 NUCLEO INTERFACE DIAGRAM TOP VIEW 14 FIGURE 8 STM32 NUCLEO MODIFICATION DIAGRAM BOTTOM VIEW 15 FIGURE 9 ST LINK INTERFACE DISPLAYED ON PC 16 FIGURE 10 PIN CONNECTION BETWEEN BC68 TE B AND STM32 L476RG MCU 17 FIGURE 11 DIMENSIONS OF BC68 TE B TOP VIEW 20 FIGURE 12 TOP VIEW OF...

Page 7: ...ing even with a handsfree kit 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 Consu...

Page 8: ...d 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 particles ...

Page 9: ... TE B Feature Details Power Supply USB interface Supply voltage 4 75V 5 25V typical supply voltage 5 0V Arduino interfaces Supply voltage 4 75V 5 25V typical supply voltage 5 0V Transmitting Power 23dBm 2dB Temperature Range Operation temperature range 35 C 75 C1 Extended temperature range 40 C 85 C2 Storage temperature range 40 C 90 C USIM Interface Support 1 8V 3 0V external Class B USIM card US...

Page 10: ...emperature returns to the normal operating temperature levels the module will meet 3GPP specifications again 2 2 Functional Diagram The following figure shows a block diagram of BC68 TE B BC68 U101 Micro USB J301 USB UART Bridge U301 Switch J302 J308 DC DC U201 USIM J303 RF J304 J306 Arduino LDO U203 Voltage level Translator U303 Figure 1 Functional Diagram of BC68 TE B Arduino Interfaces Used to ...

Page 11: ...distribution diagram of BC68 TE B Figure 2 Interface Distribution Diagram of BC68 TE B The table below shows the description of BC68 TE B interfaces Table 2 Interfaces of BC68 TE B Interface Designator Description Power Supply J301 Power supply for USB interface J306 Power supply for Arduino interfaces USB Interface J301 Support two UART ports ...

Page 12: ...ard connector Arduino Interfaces J305 J306 J307 J308 Standard Arduino interfaces RF Antenna Interface J304 RF SMA connector UART Switch J302 Used to switch communication objects of BC68 main port MCU USB Ch A RESET Button S102 Used to reset BC68 module LED Indicator D203 Used to indicate power status LED Indicator D304 Used to indicate network status Test Points J101 J103 J105 J106 J201 Used to te...

Page 13: ...B Meanwhile it can also be used in conjunction with an STM32 Nucleo 64 development board via Arduino interface to develop NB IoT applications based on STM32 The following part describes the two ways of using BC68 TE B in detail 3 1 Operation Procedures with Single Board This section elaborates the operation procedures of using the BC68 TE B alone 3 1 1 Interface Diagram of Using BC68 TE B Alone Fi...

Page 14: ...ART_SWITCH to MAIN UART TO USB state 5 Connect the J301 with PC via Micro USB cable After turning on BC68 TE B UART port information will be shown on device manager of PC CH A is the main port and can be used for AT command communication and firmware upgrading CH B is the debug port and can be used to view log For details of port configuration please refer to document 1 Figure 5 UART Ports Display...

Page 15: ...T Module Series BC68 TE B User Guide BC68 TE B_User_Guide 14 22 3 2 1 Interface Diagram of Using Multi Boards Figure 6 Interface Diagram of Using Multi Boards Figure 7 STM32 Nucleo Interface Diagram Top View ...

Page 16: ...face uarts usb uarts xr21v1412 3 Remove 0 ohm resistors of SB13 and SB14 by soldering iron and then solder them onto SB62 and SB63 respectively 4 Short circuit pin 1 2 of CN2 pin 3 4 of CN2 pin 1 2 of JP5 and pin 1 2 of JP6 5 Insert Micro USIM card into J303 and please choose an appropriate USIM card according to hardware versions of BC68 module 6 Connect rod antenna with SMA connector on J304 7 S...

Page 17: ...8 TE B and STM32 L476RG MCU Table 3 Pin Connection between BC68 TE B and STM32 L476RG MCU No MCU Morpho Arduino BC68 TE B Remark 1 PA2 D1 CN9 2 MCU_TX Main port RX 2 PA3 D0 CN9 1 MCU_RX Main port TX 3 PA1 A1 CN8 2 POWER_EN DC DC enable 4 PA5 D13 CN5 6 RESET_N Active high 5 PA0 A0 CN8 1 ADC 6 3V3 3V3 CN6 2 4 3 3V 3 3V power supply 7 5V 5V CN6 5 5V 5 0V power supply 8 GND GND CN5 7 CN6 6 7 GND Groun...

Page 18: ...odule Series BC68 TE B User Guide BC68 TE B_User_Guide 17 22 The following figure shows the pin connection between BC68 TE B and STM32 L476RG MCU Figure 10 Pin Connection between BC68 TE B and STM32 L476RG MCU ...

Page 19: ...um Ratings 4 2 Operating and Storage Temperatures The operating and storage temperatures are listed in the following table Table 5 Operating and Storage Temperatures Parameter Min Max Unit 5V 0 3 6 V VBAT 0 3 4 25 V Current of Power Supply 0 0 3 A Voltage at Digital Pins 0 3 3 3 V Voltage at Analog Pins 0 3 4 25 V Voltage at Digital Analog Pins in Power Down Mode 0 25 0 25 V Parameter Min Typ Max ...

Page 20: ...sh and maintain an SMS data transmission etc There is no unrecoverable malfunction There are also no effects on radio spectrum and no harm to radio network Only one or more parameters like Pout might reduce in their value and exceed the specified tolerances When the temperature returns to the normal operating temperature levels the module will meet 3GPP specifications again Storage Temperature Ran...

Page 21: ...r_Guide 20 22 5 Mechanical Dimensions This chapter describes the mechanical dimensions of BC68 TE B All dimensions are measured in mm The tolerances for dimensions are 0 15mm 5 1 Mechanical Dimensions of BC68 TE B Figure 11 Dimensions of BC68 TE B Top View ...

Page 22: ...uide 21 22 5 2 Design Effect Drawings of BC68 TE B Figure 12 Top View of the BC68 TE B Figure 13 Bottom View of the BC68 TE B These are design effect drawings of BC68 TE B For more accurate pictures please refer to the BC68 TE B that you get from Quectel NOTE ...

Page 23: ...s Table 7 Terms and Abbreviations No Document Name Remark 1 Quectel_BC68_Hardware_Design BC68 hardware design Abbreviation Description MCU Microcontroller Unit NB IoT Narrow Band Internet of Things UART Universal Asynchronous Receiver Transmitter USB Universal Serial Bus USIM Universal Subscriber Identification Module ...

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