XR16M2550 -High Performance Low Voltage DUART with 16-Byte FIFO HomeNewsCareers Investor Relations Contact Us PartnerNetLogin Search CommunicationsInterfacePower Management XR16M2550 Print this page Support High Performance Low Voltage DUART with 16-Byte FIFO Specifications CH 2 Features Info Request CPUInterface Intel How to Order Data Rate 5/3.3/2.5V na/16/12.5 1.62 to 3.63 Volt Operation Samples Pin-to-pin and software compatible to ST16C2550 in the 48-TQFP Tx/RxFIFO(Bytes) 16/16 package How to Buy Tx/RxFIFOCtrs No Pin-to-pin and software compatible to XR16L2550 and XR16V2550 4 Levels/ 4 Tx/RxFIFOINT Trig Two independent UART channels Levels Design Register set is 16550 compatible AutoRTS/CTS Yes Data rate of up to 16 Mbps at 3.3 V Data rate of up to 12.5 Mbps at 2.5 V IrDaSup Yes Technical Data rate of up to 8 Mbps at 1.8V Documentation 5VTolInputs No Fractional Baud Rate Generator Sup V 1.62-3.63 Transmit and Receive FIFOs of 16 bytes Technical Selectable TX and RX FIFO Trigger Levels FAQs TQFP-48, Pkgs Automatic Hardware (RTS/CTS) Flow Control QFN-32 Automatic Software (Xon/Xoff) Flow Control Product Finder Wireless Infrared (IrDA 1.0) Encoder/Decoder Documents Product Tree Automatic sleep mode Full modem interface Datasheets Technical Device Identification and Revision Datasheet Support Crystal oscillator (up to 24MHz) or external clock (up to 64MHz) input Version 1.0.2 Packaging 48-TQFP and 32-QFN packages May 2007 Pb-Free, RoHS Compliant Versions Offered 1,017.45 KB Evaluation Boards Application Notes Cross Applications DAN-189, Exar UARTs in GPS References Applications Product Version 1.0.0 Portable Appliances Change April 2008 Telecommunication Network Routers Notifications Ethernet Network Routers 139.04 KB Cellular Data Devices Obsolescence Factory Automation and Process Controls Schematics Interface PCI Eval Board Schematic Brochure Description Version 1.1.0 July 2007 IBIS Models 167.82 KB 1 BSDL The XR16M2550 (M2550) is a high performance dual universal ISA Eval Board Schematic asynchronous receiver and transmitter (UART) with 16 bytes TX and RX ICI FIFOs. The device operates from 1.62 to 3.63 volts and is pin-to-pin and Version 2.1.0 software compatible to the ST16C2550, XR16L2550, and XR16V2550. It August 2007 UART Finder supports Exar s enhanced features of selectable FIFO trigger level, 144.11 KB automatic hardware (RTS/CTS) and software flow control, and a complete modem interface. Onboard registers provide the user with operational XR16M2550 -High Performance Low Voltage DUART with 16-Byte FIFO status and data error flags. An internal loopback capability allows system diagnostics. Independent programmable baud rate generators are Quality and provided in each channel to select data rates up to 16 Mbps at 3.3 Volt Reliability with 4X sampling clock. The M2550 is available in 48-pin TQFP and 32- pin QFN packages. Quality & Reliability 1 NOTE: Covered by U.S. Patent 5,649,122 Homepage For UART technical support or to obtain an IBIS model for this product, Material please email Exar s UART Technical Support group. Declaration Sheets Quality Min Max Pkg Buy Order Manual Part Number RoHS Temp. Temp. Status Code Now Samples (C) (C) Quarterly QFN32 XR16M2550IL32-F -40 85 Active Quality & TQFP48 XR16M2550IM48-F -40 85 Active Reliability Report Part Status Legend RoHS-Green Active - the part is released for sale, standard product. Solutions EOL (End of Life) - the part is no longer being manufactured, there may or may not be inventory still in stock. CF (Contact Factory) - the part is still active but customers should check with the factory for availability. Longer lead-times may apply. Related News PRE (Pre-introduction) - the part has not been introduced or the part number is an early version available for sample only. 7/31/2006 - OBS (Obsolete) - the part is no longer being manufactured and may not be Exar ordered. Introduces NRND (Not Recommended for New Designs) - the part is not recommended High for new designs. Performance (16Mbps), Low Voltage (1.8V) Dual UART Product Family Terms of Use Site Map 2000-2009 Exar Corporation, Fremont California, U.S.A.