Operation Procedures Of Using Multi Boards - Quectel BC95-TE-B User Manual

Figure 8: STM32-Nucleo Modification Diagram (Bottom View)

3.2.2. Operation Procedures of Using Multi Boards

1. Install driver for STM32-Nucleo board, which can be downloaded from the following address:
http://www.st.com/content/st_com/en/products/evaluation-tools/product-evaluation-tools/mcu-eval-to
ols/stm32-mcu-eval-tools/stm32-mcu-nucleo/nucleo-l476rg.html;
2. Install USB-UART driver, which can be downloaded from the following address:
https://www.exar.com/product/interface/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 J203, please choose an appropriate USIM card according to hardware
versions of BC95 module.
6. Connect rod antenna with SMA connector on J208;
Switch "UART_SWITCH" to "BC95 TO MCU" state;
7.
8. Connect Arduino interface to STM32-Nucleo board, and connect J202, J204, J205 and J207 of
BC95-TE-B to CN6, CN8, CN5 and CN9 respectively.
9. Connect CN1 of STM32-Nucleo board with PC via Mini USB cable. After powering on BC95 module,
device information will be shown on the device manager of PC.
BC95-TE-B_User_Guide
SB13 SB14
SB62
SB63
Confidential / Released
NB-IoT Module Series
BC95-TE-B User Guide
15 / 22