Datasheet > TL16C550D_09

TL16C550D_09

更新时间： 2024-11-22 11:54:59

品牌	Logo	应用领域
德州仪器 - TI		通信
页数	文件大小	规格书
54页	1482K
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ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL

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TL16C550D_09 数据手册

TL16C550D, TL16C550DI

www.ti.com .................................................................................................................................................. SLLS597E–APRIL 2004–REVISED DECEMBER 2008

ASYNCHRONOUS COMMUNICATIONS ELEMENT

WITH AUTOFLOW CONTROL

FEATURES

•

Programmable Auto-RTS and Auto-CTS

•

Standard Asynchronous Communication Bits

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

From the Serial Data Stream

In Auto-CTS Mode, CTS Controls Transmitter

In Auto-RTS Mode, RCV FIFO Contents and

Threshold Control RTS

•

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

Independent Receiver Clock Input

•

Serial and Modem Control Outputs Drive a

RJ11 Cable Directly When Equipment Is on the

Same Power Drop

Transmit, Receive, Line Status, and Data Set

Interrupts Independently Controlled

•

Capable of Running With All Existing

TL16C450 Software

•

Fully Programmable Serial Interface

Characteristics:

After Reset, All Registers Are Identical to the

TL16C450 Register Set

–

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

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

and Detection

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

Operation With V_CC= 5 V

–

1-, 1 ＝-, or 2-Stop Bit Generation

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

Operation With V_CC= 3.3 V

Baud Generation (dc to 1 Mbit/s)

•

False-Start Bit Detection

Up to 48-MHz Clock Rate for up to 3-Mbaud

Operation with V_CC= 3.3 V (ZQS Package Only,

Divisor = 1)

Complete Status Reporting Capabilities

3-State Output TTL Drive Capabilities for

Bidirectional Data Bus and Control Bus

•

Up to 40-MHz Clock Rate for up to 2.5-Mbaud

Operation with V_CC= 3.3 V (ZQS Package Only,

Divisor ≥ 2)

•

Line Break Generation and Detection

Internal Diagnostic Capabilities:

–

Loopback Controls for Communications

Link Fault Isolation

•

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

Operation With V_CC= 2.5 V

–

Break, Parity, Overrun, and Framing Error

Simulation

In the TL16C450 Mode, Hold and Shift

Registers Eliminate the Need for Precise

Synchronization Between the CPU and Serial

Data

•

Fully Prioritized Interrupt System Controls

Modem Control Functions (CTS, RTS, DSR,

DTR, RI, and DCD)

•

Programmable Baud Rate Generator Allows

Division of Any Input Reference Clock by 1 to

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

•

Available in 48-Pin PT, 48-Pin PFB, 32-Pin

RHB, and 24-Pin ZQS Packages

DESCRIPTION/ORDERING INFORMATION

The TL16C550D and the TL16C550DI are speed and operating voltage upgrades (but functional equivalents) of

the TL16C550C asynchronous communications element (ACE), which in turn is a functional upgrade of the

TL16C450. Functionally equivalent to the TL16C450 on power up (character or TL16C450 mode), the

TL16C550D and the TL16C550DI, like the TL16C550C, can be placed in an alternate FIFO mode. This relieves

the CPU of excessive software overhead by buffering received and transmitted characters. The receiver and

transmitter FIFOs store up to 16 bytes including three additional bits of error status per byte for the receiver

FIFO. In the FIFO mode, there is a selectable autoflow control feature that can significantly reduce software

overload and increase system efficiency by automatically controlling serial data flow using RTS output and CTS

input 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.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

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与TL16C550D_09相关器件

型号	品牌	获取价格	描述	数据表
TL16C550DI	TI	获取价格	ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL
TL16C550DIPFB	TI	获取价格	ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL
TL16C550DIPFBG4	TI	获取价格	ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL
TL16C550DIPFBR	TI	获取价格	ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL
TL16C550DIPFBRG4	TI	获取价格	ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL
TL16C550DIPT	TI	获取价格	ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL
TL16C550DIPTG4	TI	获取价格	ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL
TL16C550DIPTR	TI	获取价格	ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL
TL16C550DIPTRG4	TI	获取价格	ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL
TL16C550DIRHB	TI	获取价格	ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL

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