Abstract: An electronic payment terminal is disclosed including a display screen including first and second terminals for receiving display data, a first processor connected to the first terminal and adapted for supplying display data to the first terminal at a first rate, and a second processor connected to the second terminal and adapted for supplying display data to the second terminal at a second rate lower than the first rate and adapted for supplying to the display screen a signal for the selection of the display data received at one of the first and second terminals. The second processor is further connected to the first processor and is adapted to send to the first processor a signal for authorizing or forbidding the transmission of display data to the display screen.