PLT How to stop writing the trimming value to OTP

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Last post

Thu, 2017-06-01 10:42

Jun-ichi Tobe

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Last seen:6 months 2 weeks ago

加入:2016-04-01 10:39

PLT How to stop writing the trimming value to OTP

Hello support,

When trimming 16 MHz using PLT and writing to OTP,
If the trimming value has already been written to the OTP, how can I change it to stop writing to the OTP?

There is a function such as otp_read in u_dll, we can check the value written in the address before writing,
but it seems that p_dll does not have functions etc. to read the value written in OTP.

Could you please tell me how to check the OTP value before trimming.

Regards,

Jun-ichi

Device:

DA14580

Fri, 2017-06-02 16:01

MT_dialog

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Last seen:2 months 3 weeks ago

加入:2015-06-08 11:34

Hi Jun-ichi Tobe,

The default functionallity of the PLT tool checks if there is a trimming value in the DUT, if there is an allready burned value in the specific field it wont burn the new calculated value and it will execute a burn only if the value in the OTP field is set to zero.

Thanks MT_dialog