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ST16C580 Datasheet(PDF) 1 Page - Exar Corporation |
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ST16C580 Datasheet(HTML) 1 Page - Exar Corporation |
1 / 39 page EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 • (510) 668-7000 • FAX (510) 668-7017 ST16C580 Rev. 1.22 UART WITH 16-BYTE FIFO’s AND INFRARED (IrDA) ENCODER/DECODER GENERAL DESCRIPTION The ST16C5801 is a universal asynchronous receiver and transmitter (UART) and is pin compatible with the ST16C550 UART. The 580 is an enhanced UART with 16 byte FIFO’s, automatic hardware/software flow control, and data rates up to 1.5Mbps. Onboard status registers provide the user with error indications and operational status. Modem interface control is included and can be optionally configured to operate with the Infrared (IrDA) encoder/decoder. The system interrupts may be tailored to meet user requirements. An internal loop-back capability allows onboard diagnostics. The 580 is available in the 48 pin TQFP package. It is fabricated in an advanced CMOS process to achieve low drain power and high speed requirements. FEATURES • PintopinandfunctionallycompatibletotheIndustry Standard 16550 • 2.97 to 5.5 volt operation • 1.5 Mbps transmit/receive operation (24MHz) • 16 byte transmit FIFO • 16 byte receive FIFO with error flags • Automatichardware/softwareflowcontrol • ProgrammableXon/Xoffcharacters • Independent transmit and receive control • Software selectable Baud Rate Generator pre- scaleable clock rates of 1X or 4X • Fourselectabletransmit/receiveFIFOinterrupttrig- ger levels • StandardmodeminterfaceorInfraredIrDAencode/ decoder interface • Sleep mode ( 200µA stand-by ) • Low operating current ( 1.2mA typ.) ORDERING INFORMATION Part number Package Operating temp Device Status ST16C580CQ48 48-Lead TQFP 0° C to + 70° C Active ST16C580IQ48 48-Lead TQFP -40° C to + 85° C Active *Note 1 Covered by U.S. Patent #5,649,122. August 2005 48 Pin TQFP Package 1 2 3 4 5 6 7 8 9 10 11 12 36 35 34 33 32 31 30 29 28 27 26 25 N.C. D5 D6 D7 RCLK N.C. RX TX CS0 CS1 -CS2 -BAUDOUT N.C. RESET -OP1 -DTR -RTS -OP2 INT -RXRDY A0 A1 A2 N.C. XR16C580CQ48 |
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