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XR17V354

Exar Corporation
Part Number XR17V354
Manufacturer Exar Corporation
Description HIGH PERFORMANCE QUAD PCI-EXPRESS UART
Published Dec 21, 2009
Detailed Description PRELIMINARY JULY 2009 XR17V354 REV. P1.0.2 HIGH PERFORMANCE QUAD PCI-EXPRESS UART GENERAL DESCRIPTION The XR17V3541 (...
Datasheet PDF File XR17V354 PDF File

XR17V354
XR17V354

Overview
PRELIMINARY JULY 2009 XR17V354 REV.
P1.
0.
2 HIGH PERFORMANCE QUAD PCI-EXPRESS UART GENERAL DESCRIPTION The XR17V3541 (V354) is a single chip 4-channel PCI Express (PCIe) UART (Universal Asynchronous Receiver and Transmitter), optimized for higher performance and lower power.
The V354 serves as a single lane PCIe bridge to 4 indepedent enhanced 16550 compatible UARTs.
The V354 is compliant to PCIe 2.
0 Gen 1 (2.
5GT/s).
In addition to the UART channels, the V354 has 16 multi-purpose I/Os (MPIOs), a 16-bit general purpose counter/timer and a global interrupt status register to optimize interrupt servicing.
Each UART of the V354 has many enhanced features such as the 256-bytes TX and RX FIFOs, programmable Fractional Baud Rate Generator, Automatic Hardware or Software Flow Control, Auto RS-485 Half-Duplex Direction Control, programmable TX and RX FIFO Trigger Levels, TX and RX FIFO Level Counters, infrared mode, and data rates up to 25Mbps.
The V354 is available in a 176-pin FPBGA package...


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