ST Nucleo-64 STM32WL3 Series User Manual page 22

Left connectors
Connector Pin Pin name
number
1 NC
2 3V3
(IOREF)
3 NRST
4 3V3
CN5 Power
5 5V
6 GND
7 GND
8 VIN
1 A0
2 A1
3 A2
4 A3
CN7 Analog
5 A4
6 A5
1. This is optional and needs to change the state of solder bridges. The default configuration is in bold.
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Table 9. ARDUINO Uno V3 connectors pinout
MCU pin Function
- NC
- IOREF (V_TARGET)
NRST NRST
- 3V3 output
- 5V
- GND
- GND
- External supply input
(7‑12 V)
PB0 ADC_VINM1
PB1 ADC1_VINP1/LCA
PB2 ADC1_VINM0/LCB
PB3 ADC_VINP0
PB4 PVD_VIN
PB5 ADC_VINP3/LD3
Right connectors
Function MCU pin Pin name
I2C2_SCL PA6 ARD_D15
I2C2_SDA PA7 ARD_D14
- - AVDD
GND - GND
SPI1_SCK PB11 ARD_D13
SPI1_MISO PB8 ARD_D12
SPI1_MOSI PB9 ARD_D11
SPI1_NSS PB10 ARD_D10
GPIO/LD1/LCB PA14 ARD_D9
GPIO PA5 ARD_D8
PA4 ARD_D7
GPIO/LCB
GPIO PA12 ARD_D6
GPIO PA13 ARD_D5
USART1_RX/ ARD_D4
PA8/PB7 (1)
LPUART1_RX
GPIO/B1 PA0 ARD_D3
USART1_TX/ (1) ARD_D2
PA9/PB6
LPUART1_TX
LPUART1_TX/ (1) ARD_D1
PB6/PA9
USART1_TX
LPUART1_RX/ ARD_D0
PB7/PA8 (1)
USART1_RX
Pin Connector
number
10
9
8
7
6
CN6 Digital
5
4
3
2
1
8
7
6
5
CN8 Digital
4
3
2
1