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XR16M681 Datasheet 1.62V TO 3.63V UART

Manufacturer: Exar (now MaxLinear)

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General Description

The XR16M6811 (M681) is an enhanced Universal Asynchronous Receiver and Transmitter (UART) with a VLIO bus interface and has 32 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 sampling rate.

The Auto RS-485 Half-Duplex Direction control

Overview

XR16M681 1.62V TO 3.63V UART WITH 32-BYTE FIFO AND VLIO INTERFACE AUGUST 2009 REV.

1.0.

Key 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 Addre.

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