SPRZ272N September   2007  – April 2022 SM320F28335-EP , SM320F28335-HT , TMS320F28232 , TMS320F28232-Q1 , TMS320F28234 , TMS320F28234-Q1 , TMS320F28235 , TMS320F28235-Q1 , TMS320F28332 , TMS320F28333 , TMS320F28334 , TMS320F28335 , TMS320F28335-Q1

 

  1. 1Usage Notes and Advisories Matrices
    1. 1.1 Usage Notes Matrix
    2. 1.2 Advisories Matrix
  2. 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
    4. 2.4 Silicon Change Overview
  3. 3Silicon Revision A Usage Notes and Advisories
    1. 3.1 Silicon Revision A Usage Notes
      1. 3.1.1 PIE: Spurious Nested Interrupt After Back-to-Back PIEACK Write and Manual CPU Interrupt Mask Clear Usage Note
      2. 3.1.2 Caution While Using Nested Interrupts
      3. 3.1.3 Watchdog: Watchdog Issues Reset After Bad Key is Written
      4. 3.1.4 McBSP: XRDY Bit can Hold the Not-Ready Status (0) if New Data is Written to the DX1 Register Without First Verifying if the XRDY Bit is in its Ready State (1)
      5. 3.1.5 Maximum Flash Program Time and Erase Time in Revision O of the TMS320F2833x, TMS320F2823x Real-Time Microcontrollers Data Sheet
    2. 3.2 Silicon Revision A 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
  4. 4Silicon Revision 0 Usage Notes and Advisories
    1. 4.1 Silicon Revision 0 Usage Notes
    2. 4.2 Silicon Revision 0 Advisories
      1.      Advisory
      2.      Advisory
      3.      Advisory
  5. 5Documentation Support
  6. 6Trademarks
  7. 7Revision History

3.1.3 Watchdog: Watchdog Issues Reset After Bad Key is Written

Revision(s) Affected: 0, A

Whenever a bad key is written, the watchdog issues a reset. But if a good key is written after a bad key, the watchdog does not issue a reset.
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