The ASIC consists of a dedicated microcontroller combined with on-chip analog and digital blocks, which can be configured to a great extend. This makes it ideal to adapt it to different applications b y m eans of an update in the software. The number of external components for the electronic module is minimized. A typical application mainly consists of the MLX90719 ASIC, a number of command buttons, a LCD, a relay, some LED's and a buzzer. The number of buttons and their function can be freely chosen. The configuration of the LCD, the number of backplanes and its pinout is also under software control. Three outputs are available for a relay and LED's.