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Arun3
Visitor II
Jun 26, 2025 11:51 AM UTC
Solved

5V tolerant Gpio pins stm32h7a3zi

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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Ozone
OzoneBest answer
Principal
Jun 26, 2025 12:03 PM UTC

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

Ozone_0-1750939332339.png

 

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2 replies

Ozone
OzoneBest answer
Principal
Jun 26, 2025 12:03 PM UTC

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

Ozone_0-1750939332339.png

 

    Andrew Neil
    Andrew Neil
    Super User
    Jun 26, 2025 12:12 PM UTC
    @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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