IC DUART 32BYTES 48LQFP
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 QFP 48-Pin
IC DUAL UART 64BYTE 48LQFP
IC UART DUAL W/FIFO 48-LQFP