XR16M581 - Exar Corporation

XR16M581 1.62V To 3.63V UART

The XR16M5811 (M581) is an enhanced Universal Asynchronous Receiver and Transmitter (UART) with a VLIO bus interface and has 16 bytes of transmit and receive FIFOs, programmable transmit and receive FIFO trigger levels, automatic hardware and software flow control, and data rates of up to 20 Mbps at 3.3V, 16 Mbps at 2.5V and 10 Mbps at 1.8V with 4X data samp.

Features

• VLIO bus interface
• Pin-to-pin compatible with SC16C850V and SC16C850SV in 32-QFN package
• 20 Mbps maximum data rate
• Programmable TX/RX FIFO 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
• Sleep Mode with Automatic Wake-up
• PowerSave mode
• Infrared (IrDA 1.0 and 1.1) mode
• 1.62V to 3.63V supply operation
• Crystal oscillator or external clock input APPLICATI.