STM32 MCUs Boards and hardware tools

Ask questions and find answers on STM32 hardware set-ups, including schematic-related challenges, debugging probes, power configurations, and more.

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GPIO Pins(Nucleo-H753zi)

Hello,I’m working on a project with the NUCLEO-H753ZI board and need to connect multiple devices. I’d like to know:1. How many GPIO pins are 5 V-tolerant for digital input?2. How many GPIO pins are available for general use, both 3.3 V-only and 5 V-t...