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XR16C872IQ PDF预览

XR16C872IQ

更新时间: 2024-11-07 07:56:19
品牌 Logo 应用领域
艾科嘉 - EXAR 微控制器和处理器串行IO控制器通信控制器外围集成电路数据传输时钟
页数 文件大小 规格书
60页 344K
描述
DUAL UART WITH 1284 PARALLEL PORT AND PLUG-AND-PLAY CONTROLLER

XR16C872IQ 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:QFP包装说明:QFP, QFP100,.7X.9
针数:100Reach Compliance Code:unknown
HTS代码:8542.31.00.01风险等级:5.89
Is Samacsys:N其他特性:IT ALSO OPERATES AT 5V
地址总线宽度:16边界扫描:NO
总线兼容性:ISA最大时钟频率:24 MHz
通信协议:ASYNC, BIT数据编码/解码方法:NRZ
最大数据传输速率:0.05625 MBps外部数据总线宽度:8
JESD-30 代码:R-PQFP-G100JESD-609代码:e0
长度:20 mm低功率模式:NO
串行 I/O 数:2端子数量:100
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:QFP
封装等效代码:QFP100,.7X.9封装形状:RECTANGULAR
封装形式:FLATPACK峰值回流温度(摄氏度):NOT SPECIFIED
电源:3.3/5 V认证状态:Not Qualified
座面最大高度:3.4 mm子类别:Serial IO/Communication Controllers
最大供电电压:5.5 V最小供电电压:4.5 V
标称供电电压:5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.65 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:14 mm
uPs/uCs/外围集成电路类型:SERIAL IO/COMMUNICATION CONTROLLER, SERIALBase Number Matches:1

XR16C872IQ 数据手册

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DISCONTINUED  
XR16C872  
DUAL UART WITH 1284 PARALLEL PORT  
AND PLUG-AND-PLAY CONTROLLER  
DESCRIPTION  
August 2003  
TheXR16C8721 (872)isadualuniversalasynchronousreceiverandtransmitter(UART)witha1284bi-directional  
parallelportandISABusPlug-and-Play(PnP)interface.ThePnPinterfacesupportsautoconfigurationfor desktop  
and embedded PC computers. The host bus interface can also be configured to manually support standard PC  
addresses COM1-4andLPT1-2.TheparallelportiscompatibletoIEEE1284specificationandsupportsCompatible  
Centronics, Extended Capability (ECP) and Enhanced Parallel Port (EPP) protocols. The UARTs are software  
compatibletoindustrystandard16C550andincludeenhancedfeaturesof128bytesoftransmitandreceiveFIFOs,  
programmable transmit and receive FIFO trigger levels, transmit and receive FIFO counters, IrDA (Infrared Data  
Association)encoder/decoder,automaticRTS/CTShardwareflowcontrolwithselectablehysteresisandautomatic  
software(Xon/Xoff)flowcontrol.Onboardstatusregistersprovideinterruptpriorities,receivedataerrorsandmodem  
status. Each channel has a programmable baud rate generator to provide data rates up to 460.8Kbps. The bi-  
directional parallel port can be configured as a general purpose input/output interface or connected to a printer or  
portable storage devices. The 872 operates on a single +5V and +3.3 power supply. It is available in a small 100-  
pin QFP package and offers commercial and industrial temperature ranges. The chip is fabricated in an advanced  
CMOS process to reduce power consumption.  
FEATURES  
DualUARTSoftwareCompatiblewith16C550  
128-byte of Transmit and Receive FIFOs to  
ReduceCPUBandwidthRequirement  
FIFO Counters in Transmitter and Receiver  
Automatic RTS/CTS Flow Control with Hysteresis  
to Increase Data Throughput  
Plug and Play ISA Bus Specification Compliant  
-AutoConfiguration  
- Direct Connection, Needing no External Buffers  
- Resource Data in External 4K EEPROM  
-Support10-Interrupts,IRQ3-7,IRQ9-12,IRQ15  
ManualConfigurationforstandardCOM1-COM-4  
andLPT1-LPT2  
IrDA Infrared Pulse Shaping Encoder/decoder  
for up to 115.2Kbps Data Rate  
IEEE1284Compliant  
Up to 460.8 Kbps Standard Serial Data Rate  
- Bidirectional Host Port  
+5V and +3.3V Operation  
100-pinQuadFlatPackage(14x20mm)  
ReferencePCISACardDesignAvailable  
Windows2 95,98andNT4DriversAvailable  
-LevelIIElectricalInterface, Needingno  
External Transceivers  
- Standard Centronics/ECP/EPP Mode  
- 16-byte FIFO in ECP mode  
APPLICATIONS  
Multi-function PC/ISA Bus Card with RS-232/  
RS-422/RS-485 Interface and Printer/parallel Port  
Embedded Systems  
Portable Infrared Wireless Systems  
High Speed Bidirectional Parallel Port  
High Speed Serial Ports  
ORDERING INFORMATION  
Part number  
Package  
Operating temperature  
Device Status  
XR16C872CQ 100-Lead QFP 0° C to + 70° C  
XR16C872IQ 100-Lead QFP -40° C to + 85° C  
Discontinued. No replacement available.  
Discontinued. No replacement available.  
1CoveredbyU.S. patentnumber5,649,122andpatentpending.  
2Windows is a trademark of Microsoft Corp.  
Rev.1.00  
Visit Exar Web Site at www.exar.com  
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 (510) 668-7000 FAX (510) 668-7017  

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