UART 2-CH 16byte FIFO 3.3V/5V 44-Pin PLCC T/R
SC28L92 - 3.3 V/5.0 V Dual Universal Asynchronous Receiver/Transmitter (DUART) LCC 44-Pin
SC28L91 - 3.3 V or 5.0 V Universal Asynchronous Receiver/Transmitter (UART) LCC 44-Pin
