OXPCIe954, PCI Express to Quad Serial Port
Highlights
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.
General Features
o Quad UART with port expansion interface
o PCIe x1 end-point
- Integrated 2.5 GT/s SerDes
o 13 x 13mm2, 176-pin TFBGA package
o Typical Power: 200 mWatts
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.
Key Features
o Standards Compliant
- PCI Express Base Specification, r1.1 (backwards
compatible with PCIe r1.0a)
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.
- PCI Power Management Spec, r1.2
- ExpressCard, Mini Card & AIC compatible
- MSI/MSI-X compatible
- ASPM (L0S, L1) Link power management
o High Performance
- PLX’s Oxford 950 UART
- DMA/bus mastering of both UARTs
- Asynchronous baud rates up to 15 Mbps
- 128-byte deep transmit/receive FIFO
- 9, 8, 7, 6 & 5-bit data framing
- Automated in & out-of-band flow control
- Advanced FIFO fill management
- Seamless port expansion interface to a second
OXPCIe954/8 for 8/12 port solution
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.
o Flexibility
- RS232, RS422, RS485 and IrDA operation
- Flexible clock pre-scaler from 1 to 31.875
- Programmable RS485 Turn-around delay
- 450 through 950 software compatibility
- 8 user-configurable GPIOs/PWMs
- Device parameters configurable via EEPROM
- 1.8V, 2.5V or 3.3V UART & GPIO I/O voltage
o Robust Operation
- Operation from a single 3.3 V supply
- Industrial temperature range -40°C to 85°C
o Broad Device Driver Support
- Windows Vista/XP/2K
- WinCE 4.2/5.0/6.0
- Linux 2.4/2.6
© PLX Technology, www.plxtech.com
Page 1 of 2
4/29/2009, Version 1.00
