i2c transactions cause pwm glitches

[nick_preiser]

I am using a MKV11Z64VXX7,  and all the very latest sdk components/libraries.  (as of 6/19/18) 

I have the device configured so that the ftms are being used to drive many independent pwm signals. 

When I issue a periodic i2c transaction ,  the transaction is successful,  however, I see a glitch on the 

pwm signals. 

Wondering if anyone else has see an issue

thanks 

Nick P. 

[nick_preiser]

I found that the issue only happens when I am using my jtag debugger,  under sw debug.  

Under normal operation,  no issue.  I am guessing that there is some resource sharing issue betwen the  semi-hosting and the i2c/ftm/pwm...  

I am going to close this for now.  thanks  Nick, 

[xiangjun_rong]

Hi, Nick,

The PWM signal is a digital signal, it is normal that the PWM signal has undershoot and overshoot, I do not think it take effect on anything.

Hope it can help you

BR

Xiangjun Rong