As NY8A051B address I/O type applications, it can provide 6 I/O pins for applications which require abundant input and output functionality. Moreover, each I/O pin may have additional features, like Pull-High/Pull-Low resistor and open-drain output type through programming. Moreover, NY8A051B has built-in infrared (IR) carrier generator with selectable IR carrier frequency and polarity for applications which demand remote control feature.