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TL16C2550RHBRG4 PDF预览

TL16C2550RHBRG4

更新时间： 2024-11-22 05:53:19
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
47页 1091K
描述
1.8-V to 5-V DUAL UART WITH 16-BYTE FIFOS

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TL16C2550RHBRG4 数据手册

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TL16C2550  
www.ti.com  
SLWS161D–JUNE 2005–REVISED OCTOBER 2006  
1.8-V to 5-V DUAL UART WITH 16-BYTE FIFOS  
FEATURES  
•
•
•
False-Start Bit Detection  
•
•
•
Programmable Auto-RTS and Auto-CTS  
Complete Status Reporting Capabilities  
In Auto-CTS Mode, CTS Controls Transmitter  
3-State Output TTL Drive Capabilities for  
Bidirectional Data Bus and Control Bus  
In Auto-RTS Mode, RCV FIFO Contents, and  
Threshold Control RTS  
•
•
Line Break Generation and Detection  
Internal Diagnostic Capabilities:  
•
Serial and Modem Control Outputs Drive a  
RJ11 Cable Directly When Equipment Is on  
the Same Power Drop  
– Loopback Controls for Communications  
Link Fault Isolation  
•
•
•
•
•
•
•
Capable of Running With All Existing  
TL16C450 Software  
– Break, Parity, Overrun, and Framing Error  
Simulation  
After Reset, All Registers Are Identical to the  
TL16C450 Register Set  
•
•
Fully Prioritized Interrupt System Controls  
Modem Control Functions (CTS, RTS, DSR,  
DTR, RI, and DCD)  
Up to 24-MHz Clock Rate for up to 1.5-Mbaud  
Operation With VCC = 5 V  
•
•
Available in 48-Pin TQFP (PFB), 32-Pin QFN  
(RHB), or 44-Pin PLCC (FN)(1) Packages  
Up to 20-MHz Clock Rate for up to  
1.25-Mbaud Operation With VCC = 3.3 V  
Pin Compatible with TL16C752B (48-Pin  
Package PFB)  
Up to 16-MHz Clock Rate for up to 1-Mbaud  
Operation With VCC = 2.5 V  
(1) Product Preview  
Up to 10-MHz Clock Rate for up to 625-kbaud  
Operation With VCC = 1.8 V  
APPLICATIONS  
In the TL16C450 Mode, Hold and Shift  
Registers Eliminate the Need for Precise  
Synchronization Between the CPU and Serial  
Data  
•
•
•
•
•
•
Point-of-Sale Terminals  
Gaming Terminals  
Portable Applications  
Router Control  
Cellular Data  
Factory Automation  
•
•
Programmable Baud Rate Generator Allows  
Division of Any Input Reference Clock by 1 to  
(216 - 1) and Generates an Internal 16 × Clock  
Standard Asynchronous Communication Bits  
(Start, Stop, and Parity) Added to or Deleted  
From the Serial Data Stream  
DESCRIPTION  
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 describes the behavior of each ACE, with  
the understanding that two such devices are  
incorporated into the TL16C2550.  
•
•
•
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  
•
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)  
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.  
Copyright © 2005–2006, Texas Instruments Incorporated  
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TL16C2550RHBRG4 替代型号

型号 品牌 替代类型 描述 数据表
TL16C2550RHB TI

完全替代

 1.8-V to 5-V DUAL UART WITH 16-BYTE FIFOS
XR68M752IL32-F EXAR

功能相似

 Serial I/O Controller, 2 Channel(s), 2MBps, CMOS, 5 X 5 MM, 0.90 MM HEIGHT, GREEN, QFN-32
XR16M2550IL32-F EXAR

功能相似

 HIGH PERFORMANCE LOW VOLTAGE DUART WITH 16-BYTE FIFO

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