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XR16C854CJ(1994) Datasheet PDF - Exar Corporation

XR16C854 image

Part Name
XR16C854CJ

Other PDF
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page
51 Pages

File Size
450.5 kB

MFG CO.
Exar
Exar Corporation Exar

DESCRIPTION
   The XR16C854 *1 (854) is a universal asynchronous receiver and transmitter (UART) with a dual foot print interface compatible with the ST16C554D/654 and ST68C554/654. The 854 is an enhanced UART with 128 byte FIFO’s, Independent Transmit and Receive FIFO counter, 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. System interrupts may be tailored to meet user requirements. An internal loop-back capability allows onboard diagnostics.


FEATURES
• Compatibility with the Industry Standard
   ST16C554/654, ST68C554/654, TL16C554
• 1.5 Mbps transmit/receive operation (24MHz)
• 128 byte transmit and receive FIFO
• Independent transmit and receive FIFO counter
• Automatic software/hardware flow control
• Programmable Xon/Xoff characters
• Software selectable Baud Rate Generator prescaleable clock rates of 1X, 4X.
• Four selectable, and Programmable Transmit/
   Receive FIFO interrupt trigger levels
• Standard modem interface or infrared IrDA encoder/decoder interface
• Software flow control turned off optionally by any
   (Xon) RX character
• Independent MIDI interface on 100 pin packages
• 100 pin packages offer internal register FIFO
   monitoring and separate IrDA TX outputs
• Sleep mode ( 200µA stand-by)


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