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XR17V254 - 66MHZ PCI BUS QUAD UART

General Description

The XR17V2541 (V254) is a single chip 4-channel 66MHz PCI (Peripheral Component Interconnect) UART (Universal Asynchronous Receiver and Transmitter) solution, optimized for higher performance and lower power.

Key Features

  • fully programmable TX and RX FIFO level triggers, automatic hardware and software flow control, and automatic RS-485 half duplex direction control output for software and hardware design simplification. NOTE 1: Covered by U. S. Patents #5,649,122 and #5,949,787.
  • Instrumentation.
  • Multi-port RS-232/RS-422/RS-485 Cards.
  • Point-Of-Sales.

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Other Datasheets by Exar (now MaxLinear)

Part Number Description
XR17V252 66MHZ PCI BUS DUAL UART
XR17V258 66MHZ PCI BUS OCTAL UART
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XR17V354 HIGH PERFORMANCE QUAD PCI-EXPRESS UART
XR17V358 HIGH PERFORMANCE OCTAL PCI EXPRESS UART

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com FEBRUARY 2007 XR17V254 66MHZ PCI BUS QUAD UART WITH POWER MANAGEMENT SUPPORT REV. 1.0.0 GENERAL DESCRIPTION The XR17V2541 (V254) is a single chip 4-channel 66MHz PCI (Peripheral Component Interconnect) UART (Universal Asynchronous Receiver and Transmitter) solution, optimized for higher performance and lower power. The V254 device with its fifth generation register set is designed to meet the high bandwidth and power management requirements for multi-serial communication ports for system administration and management. The 32-bit 66MHz PCI interface is compliant with PCI 3.0 and PCI power management revision 1.1 specifications. The device provides an upgrade path for Exar’s 33MHz 5V and Universal PCI UART family of products in a 144-pin LQFP package.