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TL16C452

更新时间： 2024-11-01 22:42:11

品牌	Logo	应用领域
德州仪器 - TI		通信
页数	文件大小	规格书
23页	310K
描述
ASYNCHRONOUS COMMUNICATIONS ELEMENTS

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数据手册

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TL16C452 数据手册

TL16C451, TL16C452

ASYNCHRONOUS COMMUNICATIONS ELEMENTS

SLLS053C – MAY 1989 – REVISED AUGUST 1999

Integrates Most Communications Card

Functions From the IBM PC/AT or

Compatibles With Single- or Dual-Channel

Serial Ports

Fully Programmable Serial Interface

Characteristics:

– 5-, 6-, 7-, or 8-Bit Characters

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

and Detection

– 1-, 1 1/2-, or 2 Stop-Bit Generation

– Programmable Baud Rate

(dc to 256 kbit/s)

TL16C451 Consists of One TL16C450 Plus

Centronix Printer Interface

TL16C452 Consists of Two TL16C450s Plus

a Centronix-Type Printer Interface

Fully Double Buffered for Reliable

Asynchronous Operation

description

The TL16C451 and TL16C452 provide single- and dual-channel (respectively) serial interfaces along with a

singleCentronix-typeparallel-portinterface. Theserialinterfacesprovideaserial-to-parallelconversionfordata

received from a peripheral device or modem and a parallel-to-serial conversion for data transmitted by a CPU.

The parallel interface provides a bidirectional parallel data port that fully conforms to the requirements for a

Centronix-type printer interface. A CPU can read the status of the asynchronous communications element

(ACE) interfaces at any point in the operation. The status includes the state of the modem signals (CTS, DSR,

RLSD, and RI) and any changes to these signals that have occurred since the last time they were read, the state

of the transmitter and receiver including errors detected on received data, and printer status. The TL16C451

and TL16C452 provide control for modem signals (RTS and DTR), interrupt enables, baud rate programming,

and parallel-port control signals.

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.

IBM PC/AT is a trademark of International Business Machines Corporation.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

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