S32K TRGMUX I don't understand trgmux_in0~trgmux_in10

[LijieDu]

As shown in the above figure, I don't quite understand trgmux_in0~in10 and trgmux_out0~out10.

Does anyone can provide some docs to learn?

[Senlent · Accepted solution]

Hi@LijieDu

you need to read S32K-RM -> Chapter 19 Trigger MUX Control (TRGMUX) for more detail.

[LijieDu]

@Senlent Thanks!

But I still don't know how to make the trgmux_in4 as a valid signal to trigger lpit ch0.

[Senlent]

Hi@LijieDu

There are the following routines in the IDE, you can refer to this routine for modification, this is very simple, almost no need for users to modify the code

[LijieDu]

@Senlent Thanks!

I Saw it yesterday, and it run as you said.

Also, when I  shorted PTD3 to 5V, the lpit ch0 interrupt will also be triggered, So trgmux_in4 is enabled when there is a rising edge on the pin PTD3, right?

[Senlent]

Hi@LijieDu

yes