STM32G473 FDCAN pinout contradiction

mycodeworksIdontknowwhy · ‎2026-03-04

Same issue reported in 2020: https://community.st.com/t5/stm32-mcus-products/stm32g473-fdcan-pinout-contradicting/td-p/224770.

As of DS12712 Rev 5, Table 13 Alternate Functions has PB10 and PB11 mis-labeled as FDCAN3_RX and FDCAN3_TX respectively.

Under AF11, PB10 and PB11 are not available as FDCAN3_RX and FDCAN3_TX.

Igor Cesko · ‎2026-03-05

Hello,

I am confirming that there is mistake in Table 13. Alternate function : the PB10/PB11 shoud not have FDCAN functionality. this mistake will be corrected in next datasheet revision.
"Table 12. STM32G473xB/xC/xE pin definition" is correct - there is no FDCAN functionality for PB10/PB11.

Regards

Igor

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mƎALLEm · ‎2026-03-04

Hello,

I will check and get back to you.

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Igor Cesko · ‎2026-03-05

Hello,

I am confirming that there is mistake in Table 13. Alternate function : the PB10/PB11 shoud not have FDCAN functionality. this mistake will be corrected in next datasheet revision.
"Table 12. STM32G473xB/xC/xE pin definition" is correct - there is no FDCAN functionality for PB10/PB11.

Regards

Igor

mƎALLEm · ‎2026-03-05

Internal ticket for follow-up/fix 228414

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