I know that pins job
but i want a data diagram of that pins
or i should extract data by logic analyzer
Who has designed this motherboard ? please answer me !!!!

No body can help me ?

Hi,
I would like to set up 40 pins or 50 pins rgb lcd by nano-pi 2 fire
But the nano-pi 2 fire has 2 pins that i don't know that
GPIOB25 , GPIOC15
Can i open that connections ? or where can i find data diagram of that pins ?