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5V tolerant Gpio pins stm32h7a3zi

Arun3
Associate

‎2025-06-26 4:51 AM

iam working on stm32h7a3zi controller in that datasheet they mentioned up to 164 I/O pins capable of 5V tolerant but they didn,t mentioned about which pins are capable of 5v tolerant

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2 REPLIES 2
Ozone
Principal

‎2025-06-26 5:03 AM

Reading datasheets is an essential skill. Here an example for another MCU variant:

Ozone_0-1750939332339.png

 

Andrew Neil
Super User

‎2025-06-26 5:12 AM

@Arun3 wrote:

 they didn,t mentioned about which pins are capable of 5v tolerant

As @Ozone said, Yes - they did:

AndrewNeil_0-1750939894655.png

 

A complex system that works is invariably found to have evolved from a simple system that worked.
A complex system designed from scratch never works and cannot be patched up to make it work.
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