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XR17C154 PDF预览

XR17C154

更新时间: 2024-01-07 14:34:55
品牌 Logo 应用领域
艾科嘉 - EXAR PC
页数 文件大小 规格书
62页 679K
描述
5V PCI BUS QUAD UART

XR17C154 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, QFP144,.87SQ,20
针数:144Reach Compliance Code:compliant
HTS代码:8542.31.00.01风险等级:5.89
Is Samacsys:N其他特性:ALSO OPERATES AT 3.3 V SUPPLY
地址总线宽度:32边界扫描:NO
总线兼容性:PCI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:32
JESD-30 代码:S-PQFP-G144JESD-609代码:e0
长度:20 mm低功率模式:YES
串行 I/O 数:4端子数量:144
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:LFQFP
封装等效代码:QFP144,.87SQ,20封装形状:SQUARE
封装形式:FLATPACK, LOW PROFILE, FINE PITCH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: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:INDUSTRIAL
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:NOT SPECIFIED宽度:20 mm
uPs/uCs/外围集成电路类型:SERIAL IO/COMMUNICATION CONTROLLER, SERIALBase Number Matches:1

XR17C154 数据手册

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áç  
XR17C154  
5V PCI BUS QUAD UART  
REV. 1.3.0  
JUNE 2004  
FEATURES  
GENERAL DESCRIPTION  
High Performance Quad UART  
The XR17C1541 (154) is a quad PCI Bus Universal  
Asynchronous Receiver and Transmitter (UART) with  
same package and pin-out as the Exar XR17x158 oc-  
tal UARTs. The device is designed to meet today’s  
32-bit PCI Bus and high bandwidth requirements in  
communication systems. The global interrupt source  
register provides a complete interrupt status indica-  
tion for all 4 channels to speed up interrupt parsing.  
Each UART is independently controlled and has its  
own 16C550 compatible 5G register set, transmit and  
receive FIFOs of 64 bytes, fully programmable trans-  
mit and receive FIFO trigger levels, transmit and re-  
ceive FIFO level counters, automatic hardware flow  
control with programmable hysteresis, automatic soft-  
ware (Xon/Xoff) flow control, IrDA (Infrared Data As-  
sociation) encoder/decoder, 8 multi-purpose defin-  
able inputs/outputs, and a 16-bit general purpose tim-  
er/counter.  
PCI Bus 2.2 Target Interface Compliance  
5V PCI Bus Compliant up to 33MHz Clock  
32-bit PCI Bus Interface with EEPROM Interface  
A Global Interrupt Source Register for all 4 UARTs  
Data Transfer in Byte, Word and Double-word  
Data Read/Write Burst Operation  
Each UART is independently Controlled with:  
16C550 Compatible 5G (Fifth Gen Register Set  
64-byte Transmit and Receive FIFOs  
Transmit and Receive FIFO Level Counters  
Automatic RTS/CTS or DTR/DSR Flow Control  
Automatic Xon/Xoff Software Flow Control  
Automatic RS485 Half-duplex Control Output  
with 16 Selectable Turn-around Delay  
Infrared (IrDA 1.0) Data Encoder/Decoder  
Programmable Data Rate with Prescaler  
Up to 6.25 Mbps Serial Data Rate at 8X and 5V  
Eight Multi-Purpose Inputs/outputs  
NOTE: 1 Covered by U.S. Patents #5,649,122, #5,949,787  
APPLICATIONS  
Remote Access Servers  
Ethernet Network to Serial Ports  
Network Management  
A General Purpose 16-bit Timer/Counter  
Sleep Mode with Automatic Wake-up Indicator  
Factory Automation and Process Control  
Point-of-Sale Systems  
Same Package and Pin-out as the XR17C158,  
XR17D154 and XR17D158 UART  
Multi-port RS-232/RS-422/RS-485 Cards  
20x20x1.4mm 144-TQFP package  
FIGURE 1. BLOCK DIAGRAM  
5V VCC  
GND  
CLK (33MHz)  
RST#  
AD[31:0]  
UART Channel 0  
C/BE[3:0]#  
FRAME#  
IRDY#  
64 Byte TX FIFO  
TX0, RX0, DTR0#,  
DSR0#, RTS0#,  
CTS0#, CD0#, RI0#  
UART  
Regs  
IR  
TX & RX  
ENDEC  
PCI Local  
Bus  
Interface  
TRDY#  
BRG  
64 Byte RX FIFO  
Device  
Configuration  
Registers  
DEVSEL#  
STOP#  
INTA#  
UART Channel 1  
UART Channel 2  
UART Channel 3  
IDSEL  
PERR#  
SERR#  
PAR  
Configuration  
Space  
Registers  
TX3, RX3, DTR3#,  
DSR3#, RTS3#,  
CTS3#, CD3#, RI3#  
16-bit  
Timer/Counter  
Multi-purpose  
EECK  
EEDI  
EEDO  
EECS  
MPIO0- MPIO7  
EEPROM  
Interface  
Inputs/Outputs  
XTAL1  
XTAL2  
Crystal Osc/Buffer  
ENIR  
TMRCK  
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com  

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