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21489 DPI PWM doesn't work?

Question asked by wjlcde on Aug 12, 2016
Latest reply on Aug 15, 2016 by wjlcde

I need to use 21489's pwm via DPI.

From the datasheet ,PWMONDPIEN bit (bit30 of SYSCTL) should be set to 1.So ,


But,this didn't work.The reg SYSCTL didn't has this bit,and the bit30 still is 0;

My project options as:

and the include files:

Need  help