XR16C2850 -Dual UART with TX and RX FIFO Counters, 128-Bytes FIFO and Automatic RS-485 Half Duplex Control HomeNewsCareers Investor Relations Contact Us PartnerNetLogin Search CommunicationsInterfacePower Management XR16C2850 Print this page Support Dual UART with TX and RX FIFO Counters, 128-Bytes FIFO and Specifications Automatic RS-485 Half Duplex Control CH 2 Info Request Features CPUInterface Intel How to Order 6.2/4.0/na Data Rate 5/3.3/2.5V Samples 8X Added feature in devices with a top mark date code ofF2 How to Buy YYW and newer: Tx/RxFIFO(Bytes) 128/128 5V tolerant inputs Tx/RxFIFOCtrs Yes 0 ns address hold time (T ) AH Program/ Pin-to-pin compatible and functionally compatible to Exars Design Tx/RxFIFOINT Trig Program ST16C2550 and XR16L2750 and TIs TL16C752B in the 48- TQFP package AutoRTS/CTS Yes Pin-alike Exars XR16L2750 and ST16C2550 48-TQFP package Technical IrDaSup Yes but with additional CLK8/16, CLKSEL and HDCNTL inputs Documentation Two independent UART channels 5VTolInputs Yes Technical Register set compatible to 16C550 Sup V 2.97-5.5 Up to 6.25 Mbps at 5V, and 4 Mbps at 3.3V FAQs Transmit and Receive FIFOs of 128 bytes PLCC-44 Pkgs Programmable TX and RX FIFO Trigger Levels Product Finder TQFP-48 Transmit and Receive FIFO Level Counters Product Tree Automatic Hardware (RTS/CTS) Flow Control Documents Selectable Auto RTS Flow Control Hysteresis Technical Automatic Software (Xon/Xoff) Flow Control Datasheets Support Auto RS-485 Half-duplex Direction Control Datasheet Wireless Infrared (IrDA 1.0) Encoder/Decoder Packaging Version 2.1.3 Full modem interface Device Identification and Revision November 2005 Evaluation Crystal oscillator or external clock input 891.53 KB Boards Industrial and commercial temperature ranges 48-TQFP and 44-PLCC packages Cross Application Notes Pb-Free, RoHS Compliant Versions Offered References DAN-130, EXAR s ST16C2550 vs. TL16C752B Product Version 1.0.0 Change Applications June 2002 Notifications 119.34 KB Obsolescence Portable Appliances DAN-107, Interfacing 16Cxxx Telecommunication Network Routers Interface Ethernet Network Routers UARTs to a CPU Brochure Cellular Data Devices Version 1.0.0 Factory Automation and Process Controls August 1999 IBIS Models 32.43 KB BSDL Description ICI UART Finder The XR16C2850 (2850) is an enhanced dual universal asynchronous receiver and transmitter (UART). Enhanced features include 128 bytes XR16C2850 -Dual UART with TX and RX FIFO Counters, 128-Bytes FIFO and Automatic RS-485 Half Duplex Control of TX and RX FIFOs, programmable TX and RX FIFO trigger level, FIFO DAN-160, Migrating from level counters, automatic (RTS/CTS) hardware and (Xon/Xoff) software Quality and XR16C2850 to XR16L2750 flow control, automatic RS-485 half duplex direction control output and Reliability Version 1.0.0 data rates up to 6.25 Mbps at 5V and 8X sampling clock. Onboard status June 2002 registers provide the user with operational status and data error flags. 22.18 KB Quality & An internal loopback capability allows system diagnostics. The 2850 has a full modem interface and can operate at 2.97V to 5.5V and is pin-to-pin Reliability DAN-161, Migrating from compatible to Exars ST16C2550 and XR16L2750 except the 48-TQFP Homepage XR16C2850 to XR16L2751 package. The 2850 register set is compatible to the industry standard Version 1.0.0 Material ST16C2550 and is available in 48-pin TQFP and 44-pin PLCC packages. August 2002 Declaration 23.00 KB Sheets For UART technical support or to obtain an IBIS model for this product, Quality DAN-190, Exar UARTs in RS- please email Exar s UART Technical Support group. Manual 485 Applications Version 1.0.0 Quarterly April 2008 Min Max Quality & Pkg Buy Order 147.31 KB Part Number RoHS Temp. Temp. Status Reliability Code Now Samples (C) (C) Report PLCC44 Schematics XR16C2850CJ-F 0 70 Active RoHS-Green TQFP48 PCI Eval Board Schematic XR16C2850CM-F 0 70 Active Solutions Version 1.1.0 PLCC44 XR16C2850IJ-F -40 85 Active July 2007 TQFP48 XR16C2850IM-F -40 85 Active 167.82 KB Part Status Legend ISA Eval Board Schematic Active - the part is released for sale, standard product. Version 1.4.0 EOL (End of Life) - the part is no longer being manufactured, there may or August 2007 may not be inventory still in stock. 109.05 KB CF (Contact Factory) - the part is still active but customers should check with the factory for availability. Longer lead-times may apply. Evaluation Board Manuals PRE (Pre-introduction) - the part has not been introduced or the part number is an early version available for sample only. Evaluation Board User s Manual OBS (Obsolete) - the part is no longer being manufactured and may not be Version 1.3.0 ordered. August 2003 NRND (Not Recommended for New Designs) - the part is not 24.69 KB recommended for new designs. Terms of Use Site Map 2000-2009 Exar Corporation, Fremont California, U.S.A.