STMicroelectronics B-G474E-DPOW1, Manual

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16 STM32G474RET6 GPIO and pin assignment
Table 23. STM32G474RET6 GPIO and pin assignment
Pin
number
Pin name Signal assignment Main function
Extension connector
Pin number
CN9 CN8
1 VBAT VDD MCU power
- -
2 PC13 JOYSTICK_SELECT Joystick 23 -
3 PC14-OSC32_IN BUCKBOOST_LOAD_50% Buck-boost 24 -
4
PC15-
OSC32_OUT
BUCKBOOST_LOAD_100% Buck-boost 25 -
5 PF0-OSC_IN PF0 (Free) - 26 -
6 PF1-OSC_OUT PF1 (Free) - 27 -
7 PG10-NRST T_NRST STLINK 30 -
8 PC0 PC0 (Free) - 28 -
9 PC1 PC1 (Free) - 29 -
10 PC2 USBPD_VIN USBPD 31 -
11 PC3 BUCKBOOST_USBPD_EN Buck-boost - 31
12 PA0 BUCK_GREEN_SENSE RGB LED - 30
13 PA1 BUCKBOOST_VIN Buck-boost - 29
14 PA2 BUCKBOOST_I_IN_AVG Buck-boost - 28
15 VSS GND MCU power 2 / 32 2 / 32
16 VDD VDD MCU power - 3
17 PA3 BUCKBOOST_VOUT Buck-boost - 27
18 PA4 PA4 (Free) - - 26
19 PA5 PA5 (Free) - - 25
20 PA6 PA6 (Free) - - 24
21 PA7 BUCK_RED_SENSE RGB LED - 23
22 PC4 JOYSTICK_LEFT Joystick - 22
23 PB2 JOYSTICK_RIGHT Joystick - 21
24 PB0 BUCK_BLUE_SENSE RGB LED - 20
25 PB1 LED_LEFT_ORANGE User LED - 19
26 PB10 JOYSTICK_UP Joystick - 18
27 VSSA AGND MCU power - 4
28 VREF+ VREFP MCU power - 6
29 VDDA AVDD MCU power - 7
30 PC5 JOYSTICK_DOWN Joystick - 17
31 VSS GND MCU power 2 / 32 2 / 32
32 VDD VDD MCU power - 3
33 PB11 BUCKBOOST_I_IN_SENSE Buck-boost - 16
34 PB12 BUCKBOOST_P1_DRIVE Buck-boost - 15
UM2577
STM32G474RET6 GPIO and pin assignment
UM2577 - Rev 2
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