XR16C2852 - 3.3V AND 5V DUART WITH 128-BYTE FIFO
XR16C2852 Features
* It supports the Exar’s enhanced features of 128 bytes of TX and RX FIFOs, programmable FIFO trigger level and FIFO level counters, automatic hardware (RTS/CTS) and software flow control, automatic RS-485 half duplex direction control output and a complete modem interface. Onboard registers provide