Description Of Pin Connection - Quectel BC68-TE-B User Manual

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)
1 PA2
2 PA3
3 PA1
4 PA5
5 PA0
6 +3V3
7 +5V
8 GND
BC68-TE-B_User_Guide
Figure 9: ST-LINK Interface Displayed on PC
Arduino
D1 CN9-2
D0 CN9-1
A1 CN8-2
D13 CN5-6
A0 CN8-1
+3V3 CN6-2, 4
+5V CN6-5
GND CN5-7, CN6-6, 7
NB-IoT Module Series
BC68-TE-B User Guide
BC68-TE-B Remark
MCU_TX Main port RX
MCU_RX Main port TX
POWER_EN DC-DC enable
RESET_N Active high
ADC
+3.3V 3.3V power supply
+5V 5.0V power supply
GND Ground
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