PLX Technology Acquired Oxford Semiconductor in January 2009 This document is not yet formatted to PLX style For more information, please visit our Website Website: Sales: Technical Support: www.plxtech.com www.plxtech.com/sales www.plxtech.com/support © 2009 PLX Technology, Inc. All rights reserved. OX16C954B High Performance Quad UART Description Utilizing Features Oxford Semiconductor’s high o asynchronous data rates up to 15Mbps performance UART technology, the OX16C954B is the ideal solution for a diverse range of products requiring serial multi-port connectivity including: PC Add-on Cards, Industrial PC, Point of Sale Terminals, Industrial Control and Network Management. high performance incorporates o applications. Oxford The Semiconductor’s device high performance, feature-rich UART technology that RS232/422/485 full and half duplex interfaces o o Deep 128-Byte receive/transmit FIFOs Full modem interface with hardware out of band flow control o The OX16C954B is a single chip, quad UART for High performance UART with peak o Automated Xon/Xoff in-band flow control Flexible clock prescalar allows for a wide range of baud rates o Infra-red (IrDA) receive and transmit operation o Software compatible with industry standard 16C550 type devices combines the industry’s fastest baud rates and deepest FIFOs. It adds up to a class leading serial o connectivity solution. o 3.3/5V operation Pin compatible with TL16C554 and ST16C654 o o 80 TQFP and 68 PLCC packages Commercial temperature range (0 to +70°C) OX16C954B Block Diagram © 2008 Oxford Semiconductor Web: www.oxsemi.com July 2008, REV. 1.0