• State Resolved
  • Locked Locked
  • Replies 2 replies
  • Answers 1 answer
  • Subscribers 21 subscribers
  • Views 487 views
  • Users 0 members are here
Support feedback
Options
Options
Related

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

LMK05318: TICS Pro setting: Register Read/Write difference

Ryan Lee TW
Intellectual 716 points

Part Number: LMK05318

Hi Experts,

My customer has one question when controlling LMK05318 by TICS Pro on their own board.

Load the "LMK05318-C.tcs" file to the TICS Pro program and execute Write All Regs, then execute Read All Regs, 

They found that there are some differences between the register write and read results on the Register Map (as shown below)

Could you please tell me is this phenomenon normal? Or any risk on use?

LMK05318-C.tcs

Best Regards,

  • +1
    TI__Mastermind 28590 points

    Hello Ryan,

    Fundamentally there is no problem with this register difference as they are read only registers and the state may be different.

    They do report device function, so if they are not reading back as expected - that may be a problem for operation -- but not for programming.  For instance.

    0x28, the '2' indicates that the PLL2 has the charge pump within normal operating condition.  Note that R357 and R367 or voltage monitor for PLL1 and PLL2 respectively.

    R411 is for reporting reference valid state.. so because it is 0 in readback, that means there is no valid reference detected.  Otherwise bit 2 is PRI_REF valid and bit 3 is SEC_REF valid.

    Please refer to the programming user manual for more details.

    73,
    Timothy

  • 0 in reply to Timothy T
    Intellectual 716 points

    Thanks. It is helpful.