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TMS320F28379D: Issue while reading ECAP peripheral's register.

Part Number: TMS320F28379D

Hi,

   I'm using Ecap peripheral to capture EPWM  signal as input to find period. If EPWM TBPRD register is feeded by a value of 1800 then why i got just double value i.e., 3601 while loading ecap's  CAP1,CAP2,CAP3,CAP4 registers. Similarly, If TBPRD register feeded  by 13000 then i got 26001 in ecap regigters. 

Regards,

Shariq Hussain