IC UART SINGLE W/FIFO 32-HVQFN
SC16C652B - 5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.) with 32-byte FIFOs and infrared (IrDA) encoder/decoder QFN 32-Pin
SC16C550B - 5 V, 3.3 V and 2.5 V UART with 16-byte FIFOs QFN 32-Pin
