XR16L784CV(2005) Datasheet - Exar Corporation

GENERAL DESCRIPTION
   The XR16L7841 (784) is a quad Universal Asynchronous Receiver and Transmitter (UART). The device is designed for high bandwidth requirement in communication systems. 

FEATURES
● 2.97V to 5.5V operation with 5V Tolerant Inputs
● 8-bit Intel or Motorola Data Bus Interface
● Single Open Drain Interrupt output for all 4
   channels
● Global Interrupt Source Registers for all channels
● 5G (Fifth Generation) “Flat” Register Set
● Each UART is Independently Controlled with:
   ■ 16C550 Compatible Registers
   ■ 64-byte Transmit and Receive FIFOs
   ■ Transmit and Receive FIFO Level Counters
   ■ Programmable TX and RX FIFO Trigger Levels
   ■ Automatic RTS/CTS or DTR/DSR Flow Control
   ■ Selectable RTS Flow Control Hysteresis
   ■ Automatic Xon/Xoff Software Flow Control
   ■ Automatic RS485 Half-duplex Control Output
      with 16 Selectable Turn-around Delay
   ■ Infrared (IrDA 1.1) Data Encoder/Decoder
   ■ Programmable Data Rate with Prescaler
   ■ Up to 3.12 (16x) and 6.25 (8x) Mbps Data Rate
● A General Purpose 16-bit Timer/Counter
● Sleep Mode with Automatic Wake-up Indicator
● 64-pin LQFP Package (10x10x1.4 mm)

APPLICATIONS
● Remote Access Servers
● Ethernet Network to Serial Ports
● Network Management
● Factory Automation and Process Control
● Point-of-Sale Systems
● Multi-port RS-232/RS-422/RS-485 Cards