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FEATURES

APPLICATIONS

TL16C2752

1.8-V to 5-V DUAL UART WITH 64-BYTE FIFOS

• Larger FIFOs Reduce CPU Overhead

• Fully Programmable Serial Interface

Characteristics

• Programmable Auto-RTS and Auto-CTS

–

5-, 6-, 7-, or 8-Bit Characters

• In Auto-CTS Mode, CTS Controls the

Transmitter

–

Even-, Odd-, or No-Parity Bit Generation

and Detection

• In Auto-RTS Mode, RCV FIFO Contents, and

Threshold Control RTS

–

1-, 1

＝-, or 2-Stop Bit Generation

• Serial and Modem Control Outputs Drive a

–

Baud Generation (DC to 1 Mbit/s)

RJ11 Cable Directly When Equipment is on the

• False-Start Bit Detection

Same Power Drop

• Complete Status Reporting Capabilities

• Capable of Running With All Existing

• 3-State Output TTL Drive Capabilities for

TL16C450 Software

Bidirectional Data Bus and Control Bus

• After Reset, All Registers Are Identical to the

• Line Break Generation and Detection

TL16C450 Register Set

• Internal Diagnostic Capabilities

• Up to 48-MHz Clock Rate for up to 3-Mbps

–

Loopback Controls for Communications

(Standard 16× Sampling) Operation, or up to

Link Fault Isolation

6-Mbps (Optional 8× Sampling) Operation With

–

Break, Parity, Overrun, and Framing Error

Simulation

• Up to 32-MHz Clock Rate for up to 2-Mbps

• Fully Prioritized Interrupt System Controls

(Standard 16× Sampling) Operation, or up to

4-Mbps (Optional 8× Sampling) Operation With

• Modem Control Functions (CTS, RTS, DSR,

DTR, RI, and DCD)

• Up to 24-MHz Clock Rate for up to 1.5-Mbps

• Available in 44-Pin PLCC (FN) or 32-Pin QFN

(Standard 16× Sampling) Operation, or up to

(RHB) Packages

3-Mbps (Optional 8× Sampling) Operation With

• Each UART's Internal Register Set May Be

Written Concurrently to Save Setup Time

• Up to 16-MHz Clock Rate for up to 1-Mbps

• Multifunction (MF) Output Allows Users to

(Standard 16× Sampling) Operation, or up to

Select Among Several Functions, Saving

2-Mbps (Optional 8× Sampling) Operation With

Package Pins

• In TL16C450 Mode, Hold and Shift Registers

Eliminate the Need for Precise

• Point-of-Sale Terminals

Synchronization Between the CPU and Serial

• Gaming Terminals

Data

• Portable Applications

• Programmable Baud-Rate Generator Allows

• Router Control

Division of Any Input Reference Clock by 1 to

• Cellular Data

• Factory Automation

• Standard Asynchronous Communication Bits

(Start, Stop, and Parity) Added to or Deleted

From the Serial Data Stream

• 5-V, 3.3-V, 2.5-V, and 1.8-V Operation

• Independent Receiver Clock Input

• Transmit, Receive, Line Status, and Data Set

Interrupts Independently Controlled

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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Copyright © 2006–2008, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.