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SPRZ496D October 2021 – May 2024 TMS320F280033 , TMS320F280034 , TMS320F280034-Q1 , TMS320F280036-Q1 , TMS320F280036C-Q1 , TMS320F280037 , TMS320F280037-Q1 , TMS320F280037C , TMS320F280037C-Q1 , TMS320F280038-Q1 , TMS320F280038C-Q1 , TMS320F280039 , TMS320F280039-Q1 , TMS320F280039C , TMS320F280039C-Q1

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TMS320F28003x Real-Time MCUs Silicon ErrataSilicon Revision 0
1Usage Notes and Advisories Matrices
1. 1.1 Usage Notes Matrix
2. 1.2 Advisories Matrix
2Nomenclature, Package Symbolization, and Revision Identification
3Silicon Revision 0 Usage Notes and Advisories
1. 3.1 Silicon Revision 0 Usage Notes
2. 3.2 Silicon Revision 0 Advisories
  1. 3.2.1 Advisory
  2. Advisory
  3. Advisory
  4. 3.2.2 Advisory
  5. Advisory
  6. Advisory
  7. Advisory
  8. Advisory
  9. 3.2.3 Advisory
  10. Advisory
  11. 3.2.4 Advisory
  12. Advisory
  13. Advisory
  14. Advisory
  15. 3.2.5 Advisory
  16. Advisory
  17. 3.2.6 Advisory
  18. 3.2.7 Advisory
  19. Advisory
  20. 3.2.8 Advisory
  21. Advisory
  22. 3.2.9 Advisory
  23. 3.2.10 Advisory
  24. Advisory
  25. Advisory
  26. Advisory
  27. Advisory
4Documentation Support
5Trademarks
6Revision History

3.2.3 Advisory

MCAN: Message Order Inversion When Transmitting From Dedicated Tx Buffers Configured With Same Message ID

Revision Affected

Details

Multiple Tx Buffers are configured with the same Message ID. Transmission of these Tx buffers is requested sequentially in ascending order with a delay between the individual Tx requests. Depending on the delay between the individual Tx requests, the Tx Buffers may not be transmitted in the expected ascending order of the Tx Buffer number.

Workarounds

First, write the group of Tx messages with same Message ID to the Message RAM. Then, request transmission of all of these messages concurrently by a single write access to TXBAR.

Use the Tx FIFO instead of dedicated Tx Buffers for the transmission of several messages with the same Message ID in a specific order.