how can i use PMF to trigger PTU in MC9S12ZVM256

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how can i use PMF to trigger PTU in MC9S12ZVM256

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Alan_Smith
Contributor I

  I use the S12ZVMC256 chip, and I want to through PMF to trigger  PTU.I have configured the program which generated by PE.And I can trigger TG0 through PMF reload event,but I can't trigger TG1.I observed that PTU reload override interrupt flag (PTUIFH_PTUROIF) has been set to 1.There may be a problem in the configuration process.I see that multiple trigger values can be set,And how do I verify that multiple triggers have been implemented.Here are the settings in my PE.

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 The following are the register parameters of the module after initialization

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danielmartynek
NXP TechSupport
NXP TechSupport

Hi Alan,

I would recommend starting with an existing demo project for motor control.

https://www.nxp.com/design/development-boards/automotive-motor-control-solutions/magniv-and-s12-solu...

danielmartynek_0-1614164978137.png

Or you can refer to the attached S12ZVM hands-on labs.

The processor expert is good for the initialization only.

As you can see below, the PTUROIF flag is set if PTULDOK is not set when the reload event occurs.

danielmartynek_1-1614165283352.png

You can scope the triggers and the reload signal on external pins.

danielmartynek_3-1614165422278.png

 

Regards,

Daniel

 

 

 

 

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