双通道异步接收器/发送器(DUART) | NXP 半导体

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双通道异步接收器/发送器(DUART)

SCC2681AE1N28
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飞利浦半导体SCC2681两路通用异步接收器/发送器(DUART)是一款单芯片MOS-LSI通信器件，在单个封装中提供两条独立的全双工异步接收器/发送器通道。能直接连接微处理器，可用于轮询或中断驱动系统。用CMOS工艺制造。

可对各通道的工作模式和数据格式进行单独编程。另外，每个接收器和发送器可将其工作速度选为十八个固定波特率、源自可编程计数器/定时器的16×时钟或外部1×或16×时钟之一。可从晶体或从外部时钟输入直接操作波特率生成器以及计数器/定时器。接收器和发送器工作速度的独立编程能力使DUART特别适合双速通道应用，如集群终端系统。

每个接收器均经过四重缓冲以使接收器超载的可能性最小化，或降低中断驱动系统的中断开销。另外，提供流量控制能力以在接收器件的缓冲器已满时禁用远程DUART发送器。

SCC2681上还提供多用途7位输入端口和多用途8位输出端口。这些可用作通用I/O端口或在程序控制下分配特定的功能(如时钟输入或状态/中断输出)。

SCC2681提供三种封装版本：40引脚和28引脚DIP(均为0.6"宽)以及44引脚PLCC。

购买/参数

1 结果

不包含 1 不推荐用于新设计

部件

展开描述

计算机辅助设计模型

应用

Operating Temperature (°C)

Number of pins

Receiver/Transmitter type

功能

SCC2681AE1N28
数据手册

替换部件: SCC2681AE1A44

Data Communication

-40~85

28

Dual UARTs

Receivers/Transmitters

N true 0 PSPSCC2681AE1N28zh 5 封装信息 Package Information t790 1 应用笔记 Application Note t789 3 数据手册 Data Sheet t520 1 zh zh zh 数据手册 Data Sheet 1 1 1.0 English 1442050059403700858974 PSP 205.0 KB None None documents None 1442050059403700858974 /docs/en/data-sheet/SCC2681.pdf 205000 /docs/en/data-sheet/SCC2681.pdf SCC2681 documents N 2015-09-12 Dual asynchronous receiver/transmitter (DUART) /docs/en/data-sheet/SCC2681.pdf /docs/en/data-sheet/SCC2681.pdf Data Sheet N 980000996212993340 2022-12-07 pdf en Apr 6, 2004 980000996212993340 Data Sheet Y N Dual asynchronous receiver/transmitter (DUART) 应用笔记 Application Note 3 2 1.0 English 1442088851880717094494 PSP 84.0 KB None None documents None 1442088851880717094494 /docs/en/application-note/AN10353.pdf 84000 /docs/en/application-note/AN10353.pdf AN10353 documents N 2015-09-12 Application of UART in GPS navigation system /docs/en/application-note/AN10353.pdf /docs/en/application-note/AN10353.pdf Application Note N 645036621402383989 2022-12-07 pdf en Mar 1, 2005 645036621402383989 Application Note Y N Application of UART in GPS navigation system 3 2.0 English 1442087701083730025178 PSP 205.0 KB None None documents None 1442087701083730025178 /docs/en/application-note/AN10307.pdf 205000 /docs/en/application-note/AN10307.pdf AN10307 documents N 2015-09-12 UART to Bluetooth interfacing /docs/en/application-note/AN10307.pdf /docs/en/application-note/AN10307.pdf Application Note N 645036621402383989 2022-12-07 pdf en Aug 11, 2004 645036621402383989 Application Note Y N UART to Bluetooth interfacing 4 1.0 English 1442087196092717232654 PSP 169.2 KB None None documents None 1442087196092717232654 /docs/en/application-note/AN10320.pdf 169152 /docs/en/application-note/AN10320.pdf AN10320 documents N N 2011-06-30 AN10320 /docs/en/application-note/AN10320.pdf /docs/en/application-note/AN10320.pdf Application Note N 645036621402383989 2022-12-07 pdf N en Jun 28, 2004 645036621402383989 Application Note Y N AN10320 封装信息 Package Information 1 5 1.0 English 1455079225589728598161 PSP 355.8 KB None None documents None 1455079225589728598161 /docs/en/package-information/SOT117-1.pdf 355775 /docs/en/package-information/SOT117-1.pdf SOT117-1 documents N N 2016-02-12 plastic dual in-line package; 28 leads (600 mil) /docs/en/package-information/SOT117-1.pdf /docs/en/package-information/SOT117-1.pdf Package Information N 302435339416912908 2022-12-07 pdf N en Feb 8, 2016 302435339416912908 Package Information Y N plastic dual in-line package; 28 leads (600 mil) false 0 SCC2681AE1N28 downloads zh-Hans true 1 Y PSP 封装信息 1 /docs/en/package-information/SOT117-1.pdf 2016-02-12 1455079225589728598161 PSP 5 Feb 8, 2016 Package Information None /docs/en/package-information/SOT117-1.pdf English documents 355775 None 302435339416912908 2022-12-07 N /docs/en/package-information/SOT117-1.pdf plastic dual in-line package; 28 leads (600 mil) /docs/en/package-information/SOT117-1.pdf documents 302435339416912908 Package Information N en None Y pdf 1.0 N N plastic dual in-line package; 28 leads (600 mil) 355.8 KB SOT117-1 N 1455079225589728598161 应用笔记 3 /docs/en/application-note/AN10353.pdf 2015-09-12 1442088851880717094494 PSP 2 Mar 1, 2005 Application Note None /docs/en/application-note/AN10353.pdf English documents 84000 None 645036621402383989 2022-12-07 /docs/en/application-note/AN10353.pdf Application of UART in GPS navigation system /docs/en/application-note/AN10353.pdf documents 645036621402383989 Application Note N en None Y pdf 1.0 N Application of UART in GPS navigation system 84.0 KB AN10353 N 1442088851880717094494 /docs/en/application-note/AN10307.pdf 2015-09-12 1442087701083730025178 PSP 3 Aug 11, 2004 Application Note None /docs/en/application-note/AN10307.pdf English documents 205000 None 645036621402383989 2022-12-07 /docs/en/application-note/AN10307.pdf UART to Bluetooth interfacing /docs/en/application-note/AN10307.pdf documents 645036621402383989 Application Note N en None Y pdf 2.0 N UART to Bluetooth interfacing 205.0 KB AN10307 N 1442087701083730025178 /docs/en/application-note/AN10320.pdf 2011-06-30 1442087196092717232654 PSP 4 Jun 28, 2004 Application Note None /docs/en/application-note/AN10320.pdf English documents 169152 None 645036621402383989 2022-12-07 N /docs/en/application-note/AN10320.pdf AN10320 /docs/en/application-note/AN10320.pdf documents 645036621402383989 Application Note N en None Y pdf 1.0 N N AN10320 169.2 KB AN10320 N 1442087196092717232654 数据手册 1 /docs/en/data-sheet/SCC2681.pdf 2015-09-12 1442050059403700858974 PSP 1 Apr 6, 2004 Data Sheet None /docs/en/data-sheet/SCC2681.pdf English documents 205000 None 980000996212993340 2022-12-07 /docs/en/data-sheet/SCC2681.pdf Dual asynchronous receiver/transmitter (DUART) /docs/en/data-sheet/SCC2681.pdf documents 980000996212993340 Data Sheet N en None Y pdf 1.0 N Dual asynchronous receiver/transmitter (DUART) 205.0 KB SCC2681 N 1442050059403700858974 true Y Products

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