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  • Lockup Avoidance for UCD3138 Devices

    • SLUAAP5 july   2023 UCD3138 , UCD3138064 , UCD3138064A , UCD3138128 , UCD3138128A , UCD3138A , UCD3138A64

       

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  • Lockup Avoidance for UCD3138 Devices
  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Why Lockup Can Occur
  5. 2Reasons for Lockup
    1. 2.1 Wrong Code in the load.asm
    2. 2.2 Misoperation with TI GUI
    3. 2.3 zero_out_integrity_word Function Fails
    4. 2.4 PMBus Communication Fails
    5. 2.5 Unexpected Occurrences
  6. 3How to Avoid a Lockup
  7. 4Unlock with JTAG
    1. 4.1 Enable JTAG Functionality
    2. 4.2 New Target Configuration in CCS
    3. 4.3 Clear the Flash
  8. 5Summary
  9. 6References
  10. IMPORTANT NOTICE
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Application Note

Lockup Avoidance for UCD3138 Devices

Abstract

Lockup occurs when a device can no longer be reprogrammed. Lockup can be caused by either an incorrect download process or firmware with bugs. This application note describes the possible reasons that can cause lockup in UCD3138 devices and ways to avoid lockup.

Trademarks

All trademarks are the property of their respective owners.

 
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