OXPCIe954, PCI Express to Quad Serial Port

Highlights

General Features

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Quad UART with port expansion interface

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PCIe x1 end-point

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Integrated 2.5 GT/s SerDes

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13 x 13mm

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Typical Power: 200 mWatts

Key Features

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Standards Compliant

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PCI Express Base Specification, r1.1 (backwards

compatible with PCIe r1.0a)

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PCI Power Management Spec, r1.2

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ExpressCard, Mini Card & AIC compatible

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MSI/MSI-X compatible

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ASPM (L0S, L1) Link power management

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High Performance

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PLX’s Oxford 950 UART

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DMA/bus mastering of both UARTs

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Asynchronous baud rates up to 15 Mbps

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128-byte deep transmit/receive FIFO

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9, 8, 7, 6 & 5-bit data framing

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Automated in & out-of-band flow control

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Advanced FIFO fill management

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Seamless port expansion interface to a second

OXPCIe954/8 for 8/12 port solution

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Flexibility

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RS232, RS422, RS485 and IrDA operation

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Flexible clock pre-scaler from 1 to 31.875

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Programmable RS485 Turn-around delay

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450 through 950 software compatibility

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8 user-configurable GPIOs/PWMs

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Device parameters configurable via EEPROM

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1.8V, 2.5V or 3.3V UART & GPIO I/O voltage

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Robust Operation

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Operation from a single 3.3 V supply

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Industrial temperature range -40°C to 85°C

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Broad Device Driver Support

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Windows Vista/XP/2K

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WinCE 4.2/5.0/6.0

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Linux 2.4/2.6

Part of the Expresso family of high performance PCI

Express devices, the OXPCIe954 is a single chip quad

serial port device with port expansion interface in a

range of 2, 4 & 8 port solutions, that includes the

OXPCIe952 & OXPCIe958.

Incorporating PLX Technology’s ultra high

performance Oxford 950 UART technology, the

device combines outstanding system performance

with unrivalled flexibility for even the most

demanding of serial applications.

Complete with the Oxide development tools and

certified device drivers, the OXPCIe954 is easy to

design-in and the ideal connectivity solution for a

diverse range of products including: PC Add-on

Cards, Industrial PC, Point of Sale Terminals,

Industrial Control, Building Automation and Network

Management.

Accelerate your product development and time to

market with Oxide and PLX Technology’s easy to

design-in, high performance serial connectivity

solutions that just work.

© PLX Technology, www.plxtech.com

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