NB-IoT Module Series
BC65-TE-B User Guide
BC65-TE-B_User_Guide 19 / 27
The following figure shows the pin connection between BC65-TE-B and STM32-L476RG MCU.
POWER_EN
UART_MCU_RX
RESET_N
PWRKEY_N
PSM_EINT_N
UART_MCU_TX
GND
+5V
ADC0
GND
GND
BC65-TE-B
Morpho
Arduino
POWER_EN
ADC
Figure 10: Pin Connection between BC65-TE-B and STM32-L476RG MCU
2
PA3
D0
CN9-1
MCU_RX
Connects to the TX of the
main UART
3
PA7
D11
CN5-4
PSM_EINT_N
Externally interrupts the
module from Deep Sleep
4
PA6
D12
CN5-5
PWRKEY_N
Active high
5
PA5
D13
CN5-6
RESET_N
Active high
6
PA1
A1
CN8-2
ADC
Analog to Digital
7
PA0
A0
CN8-1
POWER_EN
Enables DC-DC
8
+5V
+5V
CN6-5
+5V
5.0 V power supply
9
GND
GND
CN5-7, CN6-6, CN6-7
GND
Ground