Hi Alejandro Celery,
You have explained yourself very well in the first post, I got what you mean.
Still take ADC0_0 as an example, just as I told you, in LQFP208, both pin 8 and pin 10 can be used as ADC0_0 pin.


pin 10, P4_3 pin is the multi function pin, it can be work in both digital and analog mode, but pin 8, it is just the analog pin.
If you use pin8, you can use it as ADC0_0 directly, but if you use pin 10, you still need to configure this pin as the analog function, and choose it as the ADC pin.
So, actually, you can rout it to both pin 10 or pin 8, but if your digital pin is not enough, I suggest you use pin8, because pin 10 still can be used other digital function.
Wish this explain helps your understanding.
If you still have questions about this topic, please kindly let me know!
Have a great day,
Kerry
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