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XR17V252 - 66MHZ PCI BUS DUAL UART

General Description

The XR17V2521 (V252) is a single chip 2-channel 66MHz PCI 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.
  • Multi-port RS-232/RS-422/RS-485 Cards.
  • Point-of-Sale Systems.

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Other Datasheets by Exar (now MaxLinear)

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XR17V254 66MHZ PCI BUS QUAD UART
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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 MARCH 2006 XR17V252 66 MHZ PCI BUS DUAL UART WITH POWER MANAGEMENT SUPPORT REV. 1.0.1 GENERAL DESCRIPTION The XR17V2521 (V252) is a single chip 2-channel 66MHz PCI UART (Universal Asynchronous Receiver and Transmitter) solution, optimized for higher performance and lower power. The V252 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.