米6体育平台手机版

SPRZ342O January 2011 – April 2021 TMS320F28062 , TMS320F28062-Q1 , TMS320F28062F , TMS320F28062F-Q1 , TMS320F28063 , TMS320F28064 , TMS320F28065 , TMS320F28066 , TMS320F28066-Q1 , TMS320F28067 , TMS320F28067-Q1 , TMS320F28068F , TMS320F28068M , TMS320F28069 , TMS320F28069-Q1 , TMS320F28069F , TMS320F28069F-Q1 , TMS320F28069M , TMS320F28069M-Q1

Abstract
1Usage Notes and Advisories Matrices
1. 1.1 Usage Notes Matrix
2. 1.2 Advisories Matrix
2Nomenclature, Package Symbolization, and Revision Identification
3Silicon Revision B Usage Notes and Advisories
1. 3.1 Silicon Revision B Usage Notes
2. 3.2 Silicon Revision B Advisories
  1. Advisory
  2. Advisory
  3. Advisory
  4. Advisory
  5. Advisory
  6. Advisory
  7. Advisory
  8. Advisory
  9. Advisory
  10. Advisory
  11. Advisory
  12. Advisory
  13. Advisory
  14. Advisory
  15. Advisory
  16. Advisory
  17. Advisory
  18. Advisory
  19. Advisory
  20. Advisory
  21. Advisory
  22. Advisory
  23. Advisory
  24. Advisory
  25. Advisory
  26. Advisory
  27. Advisory
4Silicon Revision A Usage Notes and Advisories
1. 4.1 Silicon Revision A Usage Notes
2. 4.2 Silicon Revision A Advisories
5Silicon Revision 0 Usage Notes and Advisories
1. 5.1 Silicon Revision 0 Usage Notes
2. 5.2 Silicon Revision 0 Advisories
  1. Advisory
  2. Advisory
  3. Advisory
6Documentation Support
7Trademarks
8Revision History

3.1.2 CAN Bootloader: Internal Oscillator Tolerance is Not Sufficient for CAN Operation at High Temperatures

Revision(s) Affected: 0, A, B

The CAN bootloader in the device's boot ROM uses the internal oscillator as the source for the CAN bit clock. At high temperatures, the frequency of the internal oscillator can deviate enough to prevent messages from being received.

Workaround: Recalibrate the internal oscillator before invoking the CAN bootloader. This can be done in application code. For more flexibility, a wrapper function may be programmed into the device's OTP memory. See Using the Piccolo™ CAN Bootloader at High Temperature for details on how to implement this workaround.