Pin Pin name Signal or label
Main feature / optional feature / (SB)
(1)
38 PC6 PC6 IO
39 PC7 PC7 ARD_D9-TIM3_CH2 (or TIM8_CH2) / IO
40 PC8 PC8 IO
41 PC9 PC9 IO
42 PA8 PA8 ARD_D7 - IO
43 PA9 PA9 ARD_D8 - IO
44 PA10 PA10 ARD_D2 - IO
45 PA11 PA11 IO
46 PA12 PA12 IO
47 VSS GND GND
48 VDD VDD VDD voltage supply
49 PA13 T_SWDIO T_SWDIO
50 PA14 T_SWCLK T_SWCLK
51 PA15 T_JTDI T_JTDI / I2C1_SCL
52 PC10 PC10 IO
53 PC11 PC11 IO
54 PC12 PC12 IO
55 PD2 D2 IO
56 PB3 PB3 ARD_D3 - TIM2_CH2 / T_SWO
57 PB4 PB4 ARD_D5 - TIM3_CH1 / IO
58 PB5 PB5 ARD_D4 - IO
59 PB6 PB6 ARD_D10 - SPIx_CS / TIM4_CH1
60 PB7 PB7 IO
61 PB8-BOOT0 BOOT0 BOOT0
62 PB9 PB9 ARD_D14 - I2C1_SDA
63 VSS GND GND
64 VDD VDD VDD voltage supply
1. The default configuration is shown in bold.
UM2505
STM32G4 Nucleo-64 I/O assignment
UM2505 - Rev 2
page 35/43