STMicroelectronics STM32H7 Nucleo-144

Extension connectors UM2407
38/48 UM2407 Rev 1
Caution:1 The I/Os of STM32H7 Series microcontroller are 3.3 V compatible instead of 5 V for Arduino
Uno V3.
Caution:2 R37 should be removed before implementing Arduino shield with V
REF+
power being
provided on CN7 pin 6. Refer to Table 14: Solder bridge and jumper configuration for details
on R37.