Introduction - If you have any usage issues, please Google them yourself
The XPT2046 is a 4 wire system with touch screen controller, 1; approximation A/D converter; 2, the main characteristics of the function of the chip chip main features; 1) has 4 wire touch screen interface; 2) with a touch pressure measurement function; 3) single power supply, working voltage range of 2.2V - 5.2; 4) support 1.5V ~ 5.25V level digital I/O 5 + 2.5V); internal reference voltage; 6) with conversion rate of 125KHz;