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delay unit for DQ setting in MMDC register for i.MX6

Question asked by ko-hey on May 9, 2019
Latest reply on May 14, 2019 by Yuri Muhin

Hi all,


I have question about delay unit in MMDC register.

Could you tell me the delay unit period ?


According to the description of MMDCx_MPRDDQBY0DL in IMX6DQRM, it shows the delay as below.


010         Add dq0 delay of 2 delay units.

011         Add dq0 delay of 3 delay units.


Does above period is same as following thread ?


The thread said that 1 delay unit is 2-3[ps].

Does the delay unit which is described in MMDCx_MPRDDQBY0DL same ?