TMS320F28P650SK: EPWM CLK can not work at 200M

not 196M, is 190MHz

In the abnormal working state, and I did not use any PWM peripheral at this time, only set the PWM clock to 200M in syscfg.

Can you send me your project file here ?

We have never seen such issue with 200Mhz pwm frequency.

Thanks

Thank you for your attention, Sorry, my project is an engineering project, the source code can not be sent temporarily, you can try to make ePWM work at 200M, see if the emulator can be connected normally.

you can find a 28p65 to try, CPU 200M running, and use sysCtl_setEPWMClockDivider(SYSCTL_EPWMCLK_DIV_1) to change the epwm frequency division to 1, so that the PWM clock is also 200M, After using CCS and having the program run in RAM, the emulator disconnects

If possible, please send me a project and I will try it. I can compare and see what the problem is.

I had the same problem with another post.  e2e.ti.com/.../tms320f28p650sk-tms320f28p650sk-copy-all-code-from-flash-to-ram-and-run-in-ram

ych_chn said:

you can find a 28p65 to try, CPU 200M running, and use sysCtl_setEPWMClockDivider(SYSCTL_EPWMCLK_DIV_1) to change the epwm frequency division to 1, so that the PWM clock is also 200M, After using CCS and having the program run in RAM, the emulator disconnects

Hi,

From the above what frequency are you running the PWM at ? PWM clock can be 200Mhz but what is the TBPRD and CLK dividers in the epwm module set at ?

Thanks