PCI Express to Dual Serial and Parallel Port
Part of the Expresso family of high performance PCI Express devices, the OXPCIe952 is a single chip dual serial and parallel port device in a range of 2, 4 & 8 port solutions, that includes the OXPCIe954 & 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 Dual UART or single UART plus IEEE1284 parallel
port configurations
o PCIe x1 end-point
- Integrated 2.5 GT/s SerDes
o 11 x 11mm2, 120-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
- IEEE1284, SPP/EPP/ECP compliant parallel port
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