GENERAL DESCRIPTION
   The XR16M8901 (M890) is a single-channel Universal Asynchronous Receiver and Transmitter (UART) with integrated level shifters and 128 bytes of transmit and receive FIFOs.

FEATURES
● Integrated Level Shifters on CPU interface, UART
   and GPIO signals
● Intel/Motorola/VLIO Bus Interface select
   ■ ’0’ ns address setup/hold times
● 24 Mbps maximum UART data rate
● Up to 16 GPIOs
● 128-Bytes TX and RX FIFOs
● Programmable TX/RX trigger levels
● TX/RX FIFO Level Counters
● Independent TX/RX Baud Rate Generator
● Fractional Baud Rate Generator
● Auto RTS/CTS Hardware Flow Control
● Auto XON/XOFF Software Flow Control
● Auto RS-485 Half-Duplex Direction Control
● Multidrop mode w/ Auto Address Detect (RX)
● Multidrop mode w/ Address Byte Control (TX)
● Sleep Mode with Automatic Wake-up
● Infrared (IrDA 1.0 and 1.1) mode
● 1.62V to 3.63V supply operation
● 5V tolerant inputs
● Crystal oscillator or external clock input

APPLICATIONS
● Personal Digital Assistants (PDA)
● Cellular Phones/Data Devices
● Battery-Operated Devices
● Global Positioning System (GPS)
● Bluetooth