ST NUCLEO-WL55JC STM32WL - STM32 WL Nucleo-64 I;O assignment

Appendix A STM32WL Nucleo-64 I/O assignment
Table 19. STM32WL Nucleo-64 I/O assignment
Pin Pin name Signal or label
Main feature / optional feature / (SB)
(1)
A1 VSSSMPS VSSSMPS GND of LDO/SMPS step-down converter
A2 VDDSMPS VDDSMPS
External power supply of LDO/SMPS step-down
converter
A4 PA14 T_SWCLK T_SWCLK
A5 VDDA VDDA Analog voltage supply
A7 VDD VDD VDD voltage supply
A8 VBAT VBAT VBAT voltage supply
A9 PA12 PA12 ARD_D15 - I2C2_SCL
B1 VLXSMPS VLXSMPS VLXSMPS pin of SMPS step-down converter
B2 VFBSMPS VFBSMPS 1V55 provided by the SMPS step-down converter
B3 PA15 T_JTDI T_JTDI
B4 PB15 PB15 LED1
B5 VREF+ VREF+ Input reference voltage for ADC
B6 PC14-OSC32_IN OSC32_IN / PC14 LSE_CLK / GPIO PC14
B7 VSS GND GND
B8 PA13 T_SWDIO T_SWDIO
B9 PA11 PA11 ARD_D14 - I2C2_SDA
C1 PB3 PB3 ARD_D3 - TIM2_CH2 / T_SWO
C2 PB4 PB4 ARD_A3 - ADC1_IN3
C3 PB7 LPUART1_RX ARD_D0 / STLINK_RX (T_VCP_RX)
C4 PB9 PB9 LED2
C5 PC15-OSC32_OUT OSC32_OUT / PC15 LSE CLK / GPIO PC15
C6 PB14 PB14 ARD_A4 - ADC1_IN1/I2C3_SDA
C7 PC13 PC13 GPIO PC13 / B1 user button
C8 PA10 PA10 ARD_A2 - ADC1_IN6
D2 PB5 PB5 ARD_D4 - IO
D3 PB8 PB8 ARD_D5 - TIM16_CH1
D4 PC2 PC2 ARD_D8 - IO
D5 PC3 PC3 FE_CTRL3
D6 PA0 PA0 B1 user button / GPIO PA0
D7 PB13 PB13 ARD_A5 - ADC1_IN0/I2C3_SCL
D8 PB2 PB2 ARD_A1 - ADC1_IN4
D9 VSS GND GND
E1 PB6 LPUART1_TX ARD_D1 / STLINK_TX (T_VCP_TX)
E2 VDD VDD VDD voltage supply
E3 VSS GND GND
E4 PC5 PC5 FE_CTRL2
UM2592
STM32WL Nucleo-64 I/O assignment
UM2592 - Rev 1
page 39/49