Single-Channel UARTs with Selectable Bus Interfaces
Simplify Mixed Voltage Designs for Next Generation Systems

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
• 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
• Crystal oscillator or external clock input
• 5V tolerant inputs

TYPICAL APPLICATIONS
• Personal Digital Assistants (PDAs)
• Cellular Phones/Data Devices
• Battery-Operated Devices
• Global Positioning System (GPS)
• Bluetooth