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SPRZ569 November 2024 F29H850TU , F29H859TU-Q1

1
TMS320F2838x MCUs Silicon Errata Silicon Revisions A, 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. Advisory
  2. Advisory
  3. 3.2.1 Advisory
  4. Advisory
  5. 3.2.2 Advisory
  6. Advisory
  7. Advisory
  8. Advisory
  9. Advisory
  10. Advisory
  11. 3.2.3 Advisory
  12. 3.2.4 Advisory
  13. 3.2.5 Advisory
  14. 3.2.6 Advisory
4Documentation Support
5Trademarks
6Revision History

3.2.3 Advisory

C29 CPU Subsystem: DTHE Interrupts and DMA Events Not Triggered in C29 CPU Subsystem for HS-FS Devices

Revisions Affected

Details

In the High-Security, Field-Securable (HS-FS) device life-cycle state, cryptographic engines can be automatically assigned to the C29 CPU subsystem using a boot certificate extension option. When this option is configured in the certificate, the engines are mapped to the C29 CPU, but the corresponding interrupt signals and DMA events are not routed to the C29 CPU, and thus do not trigger when running a C29 application.

Workaround

To detect events generated by the cryptographic accelerator engines, poll the respective interrupt or DMA status register.