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TMS320F280025C: HRPWM 高分辨率死区分辨率不正确

Part Number: TMS320F280025C

在使用HRPWM时,浏览手册发现

17.15.1.3   有描述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 7.

17.15.1.6 有描述Just like the duty cycle restrictions when using HRPWM, the DBRED and DBFED values must be greater than 3 to use hi-res deadband.

问题是,DBRED 最小为多少时可以正确使用DBREDHR ,实际测试中,当TBPRD = 99 时,发现设置死区时间10ns到20ns时,不能输出高分辨率的死区,只能输出一般的死区时间。

是否存在配置高精度死区的例程