topic Re: RT 1176 quad timer in i.MX RT Crossover MCUs

RT 1176 quad timer

avikumar — Mon, 19 Jul 2021 12:13:21 GMT

Hi,

I am working on QUAD timers in i.MX RT1176 board.

in sdk example under Quad timer - Input capture output PWM is not working.

please help me to resolve issue

Re: RT 1176 quad timer

FelipeGarcia — Tue, 20 Jul 2021 22:12:56 GMT

Hi,

Could you please clarify what exactly is not working? Are you able to measure output signal at pin J9-12? Is the example capturing correctly a signal input in the QTMR pin? Did you remove R414?

It would be also useful if you clarify the SDK and IDE version you are using, the readme file provides a description of how to run the example properly.

Best regards,

Felipe

Re: RT 1176 quad timer

avikumar — Wed, 21 Jul 2021 05:51:19 GMT

I am not able to generate PWM output signal at pin j9-112. I have not removed R414.

Is it necessary to remove..?

Re: RT 1176 quad timer

FelipeGarcia — Thu, 22 Jul 2021 22:37:55 GMT

Hi,

R414 is not populated in the board so only if you added this resistor previously will be necessary to remove.

I tested the example myself and it worked correct. I feed J9-8 with a 50 KHz square signal and I was able to see 50 KHz in J9-12. Please make sure you are providing a signal first, otherwise the example will not generate output signal.

Best regards,

Felipe

Re: RT 1176 quad timer

avikumar — Fri, 23 Jul 2021 05:54:32 GMT

ok thanks.

Its new evk I have not populated R414 previously. do you want me to remove..?

Re: RT 1176 quad timer

FelipeGarcia — Fri, 23 Jul 2021 18:57:19 GMT

Hi,

If you have not populated R414 then there is nothing to remove. The example should work correct with no hardware modification on the EVK.

Regards,

Felipe