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LP8864S-Q1: some questions about registers

Jiawei Hu1
Expert 5565 points
Part Number: LP8864S-Q1

Hi team,

For LP8864s, some questions maybe need your help.

  • For 0E register bit0-15, are they self clear? If I write FFFF, the back value is 0000, is it normal?
  • For 0E bit15, it's a status bit, it can only be write to 1 to clear interrupt, right?

BR

Jiawei

  • +1
    TI__Genius 17590 points

    Jiawei, 

    1. No, need write "1" to both Status bit and Clear bit at the same time to clear
    interrupt register status and interrupt pin status. Thus, it's normal that you read back 0000 after writing FFFF as you clear all the faults. 

    2. Yes, yo need to write "1" to both Status bit and Clear bit at the same time to clear
    interrupt register status and interrupt pin status as mentioned in 1). 

    Regards, 

    XG