Data transmission processing circuit infrared touch screen, and data transmission processing system

The invention belongs to the technical field of electronic circuits, and provides a data transmission processing circuit of an infrared touch screen, and a data transmission processing system. According to the data transmission processing, a logic control circuit is used for controlling an infrared circuit to output a feedback signal after sensing that infrared light is shielded; a signal processing circuit is used for amplifying, sampling, and analyzing the feedback signal; finally a main control signal is used for acquiring coordinate parameters of a touch object in a touch region according to the amplified, sampled, and analyzed feedback signal, and transmitting the coordinate parameters to a personal computer and a Android tablet, so as to achieve a touch function; meanwhile, the main control circuit comprises a main control chip, the main control chip is provided with a USB interface which is connected to the personal computer and used for transmitting the coordinate parameters to the personal computer,