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XR16L784CV PDF预览

XR16L784CV

更新时间: 2024-09-16 22:41:15
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
52页 587K
描述
HIGH PERFORMANCE 2.97V TO 5.5V QUAD UART

XR16L784CV 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:LFQFP, QFP64,.47SQ,20
针数:64Reach Compliance Code:compliant
HTS代码:8542.31.00.01风险等级:5.76
其他特性:ALSO OPERATES AT 3.3 V SUPPLY地址总线宽度:8
边界扫描:NO最大时钟频率:50 MHz
通信协议:ASYNC, BIT数据编码/解码方法:NRZ
最大数据传输速率:0.78125 MBps外部数据总线宽度:8
JESD-30 代码:S-PQFP-G64JESD-609代码:e0
长度:10 mm低功率模式:YES
串行 I/O 数:4端子数量:64
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:LFQFP
封装等效代码:QFP64,.47SQ,20封装形状:SQUARE
封装形式:FLATPACK, LOW PROFILE, FINE PITCH峰值回流温度(摄氏度):240
电源:3.3/5 V认证状态:Not Qualified
座面最大高度:1.6 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:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:30宽度:10 mm
uPs/uCs/外围集成电路类型:SERIAL IO/COMMUNICATION CONTROLLER, SERIALBase Number Matches:1

XR16L784CV 数据手册

 浏览型号XR16L784CV的Datasheet PDF文件第2页浏览型号XR16L784CV的Datasheet PDF文件第3页浏览型号XR16L784CV的Datasheet PDF文件第4页浏览型号XR16L784CV的Datasheet PDF文件第5页浏览型号XR16L784CV的Datasheet PDF文件第6页浏览型号XR16L784CV的Datasheet PDF文件第7页 
áç  
XR16L784  
HIGH PERFORMANCE 2.97V TO 5.5V QUAD UART  
JUNE 2004  
REV.1.2.0  
FEATURES  
GENERAL DESCRIPTION  
2.97V to 5.5V operation with 5V Tolerant Inputs  
8-bit Intel or Motorola Data Bus Interface  
Single Open Drain Interrupt output for all 4 channels  
Global Interrupt Source Registers for all channels  
5G (Fifth Generation) “Flat” Register Set  
Each UART is Independently Controlled with:  
16C550 Compatible Registers  
The XR16L7841 (784) is  
Asynchronous Receiver and Transmitter (UART). The  
device is designed for high bandwidth requirement in  
communication systems. The global interrupt source  
a
quad Universal  
register provides  
a
complete interrupt status  
indication for all 4 channels to speed up interrupt  
parsing. Each UART has its own 16C550 compatible  
set of configuration registers, transmit and receive  
FIFOs of 64 bytes, fully programmable transmit and  
receive FIFO level triggers, transmit and receive  
FIFO level counters, automatic RTS/CTS or DTR/  
DSR hardware flow control with programmable  
hysteresis, automatic software (Xon/Xoff) flow  
control, IrDA (Infrared Data Association) encoder/  
decoder, and a 16-bit general purpose timer/counter.  
64-byte Transmit and Receive FIFOs  
Transmit and Receive FIFO Level Counters  
Programmable TX and RX FIFO Trigger Levels  
Automatic RTS/CTS or DTR/DSR Flow Control  
Selectable RTS Flow Control Hysteresis  
Automatic Xon/Xoff Software Flow Control  
NOTE: 1 Covered by U.S. Patents #5,649,122 and #5,949,787  
APPLICATIONS  
Automatic RS485 Half-duplex Control Output with  
16 Selectable Turn-around Delay  
Remote Access Servers  
Infrared (IrDA 1.1) Data Encoder/Decoder  
Programmable Data Rate with Prescaler  
Up to 3.12 (16x) and 6.25 (8x) Mbps Data Rate  
A General Purpose 16-bit Timer/Counter  
Sleep Mode with Automatic Wake-up Indicator  
64-pin TQFP Package (10x10x1.4 mm)  
Ethernet Network to Serial Ports  
Network Management  
Factory Automation and Process Control  
Point-of-Sale Systems  
Multi-port RS-232/RS-422/RS-485 Cards  
FIGURE 1. BLOCK DIAGRAM  
2.97V to 5.5V VCC  
GND  
*All Inputs are 5V Tolerant  
(Except XTAL1)  
UART Channel 0  
64 Byte TX FIFO  
UART  
TX0, RX0, DTR0#,  
DSR0#, RTS0#,  
CTS0#, CD0#, RI0#  
A7:A0  
Regs  
TX &  
RX  
IR  
ENDEC  
D7:D0  
BRG  
Device  
64 Byte RX FIFO  
IOR#  
Configuration  
Register  
s
Intel or  
Motorola  
Data  
Bus  
Interface  
IOW#  
CS#  
UART Channel 1  
UART Channel 2  
UART Channel 3  
INT#  
16/68#  
RST#  
ENIR  
TX3, RX3, DTR3#,  
DSR3#, RTS3#,  
CTS3#, CD3#, RI3#  
16-bit  
Timer/Counter  
Crystal Osc/  
Buffer  
XTAL1  
XTAL2  
TMRCK  
784BLK  
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com  

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