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XR16C2550

Exar Corporation
Part Number XR16C2550
Manufacturer Exar Corporation
Description 2.97V TO 5.5V DUART
Published Aug 20, 2007
Detailed Description www.DataSheet4U.com xr JANUARY 2005 XR16C2550 2.97V TO 5.5V DUART WITH 16-BYTE FIFO REV. 1.0.1 GENERAL DESCRIPTION Th...
Datasheet PDF File XR16C2550 PDF File

XR16C2550
XR16C2550

Overview
www.
DataSheet4U.
com xr JANUARY 2005 XR16C2550 2.
97V TO 5.
5V DUART WITH 16-BYTE FIFO REV.
1.
0.
1 GENERAL DESCRIPTION The XR16C2550 (2550) is a dual universal asynchronous receiver and transmitter (UART).
The XR16C2550 is an improved version of the PC16550 UART with higher operating speed and faster access times.
The 2550 provides enhanced UART functions with 16 byte FIFO’s, a modem control interface, and data rates up to 4 Mbps.
Onboard status registers provide the user with error indications and operational status.
System interrupts and modem control features may be tailored by external software to meet specific user requirements.
Independent programmable baud rate generators are provided to select transmit and receive clock rates from 50 bps to 4 Mbps.
The Baud Rate Generator can be configured for either crystal or external clock input.
An internal loopback capability allows onboard diagnostics.
The 2550 is available in a 44-pin PLCC and 48-pin TQFP packages.
The 2550 is fabricated ...


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