TL16C2550

更新时间： 2024-11-17 21:55:23

品牌	Logo	应用领域
德州仪器 - TI		先进先出芯片
页数	文件大小	规格书
34页	408K
描述
2.5-V to 5-V DUAL UART WITH 16-BYTE FIFOS

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TL16C2550 数据手册

TL16C2550

www.ti.com

SLWS161–JUNE 2005

2.5-V to 5-V DUAL UART WITH 16-BYTE FIFOS

FEATURES

•

Internal Diagnostic Capabilities:

– Loopback Controls for Communications

Link Fault Isolation

•

Programmable Auto-RTS and Auto-CTS

In Auto-CTS Mode, CTS Controls Transmitter

– Break, Parity, Overrun, and Framing Error

Simulation

In Auto-RTS Mode, RCV FIFO Contents and

Threshold Control RTS

•

Fully Prioritized Interrupt System Controls

•

Serial and Modem Control Outputs Drive a

RJ11 Cable Directly When Equipment Is on

the Same Power Drop

Modem Control Functions (CTS, RTS, DSR,

DTR, RI, and DCD)

•

Capable of Running With All Existing

TL16C450 Software

•

Available in 48-Pin TQFP (PFB), 44-Pin PLCC

(FN), or 32-Pin QFN (RHB) Packages

After Reset, All Registers Are Identical to the

TL16C450 Register Set

Pin Compatible with TL16C752B (48-Pin

Package)

Up to 24-MHz Clock Rate for up to 1.5-Mbaud

Operation With V_CC= 5 V

APPLICATIONS

•

Point-of-Sale Terminals

Gaming Terminals

Portable Applications

Router Control

Cellular Data

Factory Automation

Up to 20-MHz Clock Rate for up to 1.25-Mbaud

Operation With V_CC= 3.3 V

Up to 16-MHz Clock Rate for up to 1-Mbaud

Operation With V_CC= 2.5 V

In the TL16C450 Mode, Hold and Shift

Registers Eliminate the Need for Precise

Synchronization Between the CPU and Serial

Data

DESCRIPTION

•

Programmable Baud Rate Generator Allows

Division of Any Input Reference Clock by 1 to

(2¹⁶- 1) and Generates an Internal 16 × Clock

The TL16C2550 is a dual universal asynchronous

receiver and transmitter (UART). It incorporates the

functionality of two TL16C550D UARTs, each UART

having its own register set and FIFOs. The two

UARTs share only the data bus interface and clock

source, otherwise they operate independently.

Another name for the uart function is Asynchronous

Communications Element (ACE), and these terms will

be used interchangeably. The bulk of this document

will describe the behavior of each ACE, with the

understanding that two such devices are incorporated

into the TL16C2550.

Standard Asynchronous Communication Bits

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

From the Serial Data Stream

•

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

Independent Receiver Clock Input

Transmit, Receive, Line Status, and Data Set

Interrupts Independently Controlled

•

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

– Baud Generation (dc to 1 Mbit/s)

False-Start Bit Detection

•

Complete Status Reporting Capabilities

3-State Output TTL Drive Capabilities for

Bidirectional Data Bus and Control Bus

•

Line Break Generation and Detection

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.

PRODUCT PREVIEW information concerns products in the forma-

tive or design phase of development. Characteristic data and other

specifications are design goals. Texas Instruments reserves the

right to change or discontinue these products without notice.

12 3 4 5 6 7...34

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TL16C2550 替代型号

型号	品牌	替代类型	描述	数据表
TL16C550D	TI	功能相似	ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL

与TL16C2550相关器件

型号	品牌	获取价格	描述	数据表
TL16C2550_10	TI	获取价格	1.8-V to 5-V DUAL UART WITH 16-BYTE FIFOS
TL16C2550IFN	TI	获取价格	IC,UART,CMOS,LDCC,44PIN,PLASTIC
TL16C2550IPFB	TI	获取价格	2.5-V to 5-V DUAL UART WITH 16-BYTE FIFOS
TL16C2550IPFBG4	TI	获取价格	1.8-V to 5-V DUAL UART WITH 16-BYTE FIFOS
TL16C2550IPFBR	TI	获取价格	2.5-V to 5-V DUAL UART WITH 16-BYTE FIFOS
TL16C2550IPFBRG4	TI	获取价格	1.8-V to 5-V DUAL UART WITH 16-BYTE FIFOS
TL16C2550IPFBRQ1	TI	获取价格	具有 16 字节 FIFO 的汽车类 1.8V 至 5V 双路 UART \| PFB \|
TL16C2550IRHB	TI	获取价格	1.8-V to 5-V DUAL UART WITH 16-BYTE FIFOS
TL16C2550IRHBG4	TI	获取价格	1.8-V to 5-V DUAL UART WITH 16-BYTE FIFOS
TL16C2550IRHBR	TI	获取价格	1.8-V to 5-V DUAL UART WITH 16-BYTE FIFOS

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