Peaking Time: defines the position on the trapezoid flat top within which the peak is calculated averaging the samples. The peaking time is referred to as TR or TV depending on the trigger mode.
This is the register DPP_PEAKING_TIME


Peaking Time (0x1n64 (channel n), 0x8064 (all channels, write only), R/W, )
‐
Bit Description
[10:0] Peaking Time: Position on the flat top region where the samples for
      the calculation of the peak height are taken. The peaking time is
     referred to the trigger or to the trigger validation signal
    according to the trigger mode. Check the User Manual for further
   details. The peaking time is expressed in sampling clock unit (10
  ns).
[31:11] Reserved