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Hi all,
In the tehcnical reference manual of the TMS320F28377D there is a duty cycle range limitation described in chapter 15.2.4.3 on page 2012. On this page it states the following:
"When using DBREDHR or DBFEDHR, DBRED and/or DBFED (the register corresponding to the edge with hi-resolution displacement) must be greater than or equal to 3."
But on page 2018 in chapter 15.2.5 it states the following:
"Just like the duty cycle restrictions when using HRPWM, the DBRED and DBFED values must be greater than 3 to use hi-res deadband."
Which one of the two statements is the right one? Because for my application I need a very small deadband, and now I don't know if I need to set it to 3 or 4.
Many thanks,
Erik