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UART/PCI controller tackles high density serial connectivity

Posted: 14 Feb 2006 ?? ?Print Version ?Bookmark and Share

Keywords:UART? host interface? OX16PCI958? communications controller? Oxford Semiconductor?

Combining eight high performance UARTs and a PCI compliant host interface in a single chip, the OX16PCI958 communications controller from Oxford Semiconductor provides designers with the means to dramatically simplify multi-port serial to PCI bus design.

An alternative to many dual chip solutions, the 160-pin QFP packaged device offers significant PCB space savings, and, by supporting both 3.3V and 5V bus systems, this cost effective part enables the development of add-in cards with universal application appeal. Compliant with the PCI local bus specification 3.0 and PCI power management specification 1.1, the highly integrated OX16PCI958 will benefit a wide range of PCI-based hardware, including PoS equipment, industrial automation systems and remote servers. Software compatible with industry standard 16C550 types, the UART ports of the OX16PCI958 are easily configured to suit the needs of RS232 and RS422 applications. Highly programmable, the controller offers deep FIFOs with tuneable trigger levels, hardware out-of-band flow control and a clock prescaler, enabling designers to optimize data flows and configure application specific data rates up to a maximum of 4.125 Mega baud, using a 16.5MHz clock.

Oxford Semiconductor is supporting its latest high performance UART/PCI bridge solution with drivers for Windows 98, 2000, XP and CE and Linux OSes, an evaluation board and comprehensive application note. The controller is priced at $15.50 in 10,000-piece quantities and is sampling now.

- Henri Arnold
Electronics Express Europe

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