SPRZ583 May   2026 TMS320F28P551SG

 

  1.   1
  2.   TMS320F28P551, TMS320F28P552, TMS320F28P558 Real-Time MCUs Silicon ErrataSilicon Revision 0
  3. 1Usage Notes and Advisories Matrices
    1. 1.1 Usage Notes Matrix
    2. 1.2 Advisories Matrix
  4. 2Nomenclature, Package Symbolization, and Revision Identification
    1. 2.1 Device and Development-Support Tool Nomenclature
    2. 2.2 Devices Supported
    3. 2.3 Package Symbolization and Revision Identification
  5. 3Silicon Revision 0 Usage Notes and Advisories
    1. 3.1 Silicon Revision 0 Usage Notes
      1. 3.1.1 PIE: Spurious Nested Interrupt After Back-to-Back PIEACK Write and Manual CPU Interrupt Mask Clear
      2. 3.1.2 Caution While Using Nested Interrupts With Repeat Block
      3. 3.1.3 Security: The primary layer of defense is securing the boundary of the chip, which begins with enabling JTAGLOCK and Zero-pin Boot to Flash feature
    2. 3.2 Silicon Revision 0 Advisories
      1.      Advisory
      2.      Advisory
      3.      Advisory
      4.      Advisory
      5.      Advisory
      6. 3.2.1 Advisory
      7.      Advisory
      8. 3.2.2 Advisory
      9.      Advisory
      10. 3.2.3 Advisory
      11.      Advisory
      12.      Advisory
      13. 3.2.4 Advisory
      14.      Advisory
      15.      Advisory
      16.      Advisory
      17.      Advisory
      18.      Advisory
      19.      Advisory
      20.      Advisory
  6. 4Documentation Support
  7. 5Trademarks
  8. 6Revision History

Advisory

Watchdog: WDKEY Register is not EALLOW-Protected

Revisions Affected

0

Details

The WDKEY register is not EALLOW-protected. Issuing the EALLOW and EDIS instructions to write to this register is not required. To enable software reuse on other devices where WDKEY is EALLOW-protected, using EALLOW and EDIS is recommended.

Workaround

None