Problem with LCD PWM slow clock and DIV_1 on Sama5d34-ek

AT91SAM9 Evaluation Boards

Moderator: nferre

Memphis
Posts: 17
Joined: Fri Dec 13, 2013 9:51 am

Problem with LCD PWM slow clock and DIV_1 on Sama5d34-ek

Thu May 18, 2017 12:05 pm

Hello,
I have a problem when I use the slow clock for the LCD PWM on sama5d34-ek, when I change the PWMPS_DIV from 2 to 1, the PWM signal is fixed to High and there is no PWM.
Why the PWM is missing with DIV_1?
Any idea?

Thank you
blue_z
Location: USA
Posts: 1550
Joined: Thu Apr 19, 2007 10:15 pm

Re: Problem with LCD PWM slow clock and DIV_1 on Sama5d34-ek

Tue May 30, 2017 5:02 pm

That's a known issue that's documented as an errata in the SoC datasheet.

Regards

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