SC68C752B - 5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs and 68 mode uP interfac QFP 48-Pin
Dual UART I2C/SPI Bridge, 64-B FIFO, 5 Mbps, LQFP
IC UART DUAL W/FIFO 48-LQFP
48-Pin Quad Serial IO/Communication Controller, 3.3V, 80MHz, QFP48