CAN support on STM32G4A1KEU6 and STM32G491

prasanthikethireddy · ‎2025-11-27

Hii Team, I want know does PB5 and PB6 Support CAN interface on the STM32G4A1KEU6 AND STM32G491

Andrew Neil · ‎2025-11-27

the STM32G4A1KEU6 datasheet shows that FDCAN is supported on PB5 and PB6:

As does the STM32G491 datasheet:

You're going to have to give more details for anyone to be able to help with why your project isn't working - see:

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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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Andrew Neil · ‎2025-11-27

The datasheet will tell you that:

https://www.st.com/en/microcontrollers-microprocessors/stm32g4a1ke.html

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.

prasanthikethireddy · ‎2025-11-27

I am using PB6 and PB5 for project as fdcan2 but i am not getting any data .In the datasheet for PB5 and PB6 they had mentioned FDCAN2

Andrew Neil · ‎2025-11-27

the STM32G4A1KEU6 datasheet shows that FDCAN is supported on PB5 and PB6:

As does the STM32G491 datasheet:

You're going to have to give more details for anyone to be able to help with why your project isn't working - see:

How to write your question to maximize your chances to find a solution

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.

mƎALLEm · ‎2025-11-27

Hello @prasanthikethireddy and welcome to the ST community,

You can also use STM32 Sidekick for such kind of question. Please refer to How to use STM32 Sidekick ;)

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