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XR17C158 Datasheet

5v Pci Bus Octal Uart

Manufacturer: Exar (now MaxLinear)

XR17C158 Overview

The XR17C1581 (158) is an octal Universal Asynchronous Receiver and Transmitter (UART). The device is designed to meet the 32-bit PCI Bus and high bandwidth requirement in munication systems. The global interrupt source register provides a plete interrupt status indication for all 8 channels to speed up interrupt parsing.

XR17C158 Key Features

  • High Performance Octal UART
  • 32-bit PCI Bus Interface with EEPROM Interface
  • Interrupt Source Register for all 8 UARTs
  • Data Transfer in Byte, Word and Double-word
  • Read/Write Burst Operation
  • Each UART Includes
  • 16C550 patible Registers
  • 64-byte Transmit and Receive FIFOs
  • Transmit and Receive FIFO Level Counters
  • Automatic RTS/CTS or DTR/DSR Flow Control

XR17C158 Distributor