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XR16C2550 - 2.97V TO 5.5V DUART

Datasheet Summary

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.

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 in an advanced CMOS process capable of operating from 2.97 volt to 5.

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Datasheet preview – XR16C2550

Datasheet Details

Part number XR16C2550
Manufacturer Exar Corporation
File Size 528.94 KB
Description 2.97V TO 5.5V DUART
Datasheet download datasheet XR16C2550 Datasheet
Additional preview pages of the XR16C2550 datasheet.

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Full PDF Text Transcription

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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.
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