PCI Express to Quad Serial Port

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.

Highlights
◾ 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

◾ Key Features
   o Standards Compliant
      - PCI Express Base Specification, r1.1 (backwards
         compatible with PCIe r1.0a)
      - 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
   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