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XR17D154IV PDF预览

XR17D154IV

更新时间: 2024-02-17 00:33:21
品牌 Logo 应用领域
艾科嘉 - EXAR PC
页数 文件大小 规格书
69页 840K
描述
UNIVERSAL (3.3V AND 5V) PCI BUS QUAD UART

XR17D154IV 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Obsolete零件包装代码:QFP
包装说明:LFQFP,针数:144
Reach Compliance Code:compliantHTS代码:8542.31.00.01
风险等级:5.6Is 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:32JESD-30 代码:S-PQFP-G144
JESD-609代码:e3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封装形状:SQUARE
封装形式:FLATPACK, LOW PROFILE, FINE PITCH峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:1.6 mm
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:MATTE TIN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

XR17D154IV 数据手册

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XR17D154  
UNIVERSAL (3.3V AND 5V) PCI BUS QUAD UART  
JUNE 2004  
REV. 1.2.0  
GENERAL DESCRIPTION  
FEATURES  
The XR17D1541 (D154) is a quad PCI Bus Universal  
Asynchronous Receiver and Transmitter (UART) with  
same package and pin-out as the Exar XR17C158,  
XR17D158 and XR17C154. The device is designed  
to meet today’s 32-bit PCI Bus and high bandwidth  
requirement in communication systems. The global  
interrupt source register provides a complete interrupt  
status indication 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 transmit and receive FIFO trigger  
levels, transmit and receive FIFO level counters,  
automatic hardware flow control with programmable  
hysteresis, automatic software (Xon/Xoff) flow  
control, IrDA (Infrared Data Association) encoder/  
decoder, 8 multi-purpose inputs/outputs and a 16-bit  
general purpose timer/counter.  
High Performance Quad PCI UART  
Universal PCI Bus Buffers - Auto-sense 3.3V or 5V  
Operation  
32-bit PCI Bus 2.3 Target Signalling Compliance  
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 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 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  
Eight Multi-Purpose Inputs/outputs  
General Purpose 16-bit Timer/Counter  
Sleep Mode with Automatic Wake-up  
EEPROM Interface for PCI Configuration  
Same package and pin-out as the XR17D158,  
XR17C158 and XR17C154 (20x20x1.4mm 144-  
TQFP)  
NOTE: 1 Covered by U.S. Patents #5,649,122, #5,949,787  
APPLICATIONS  
Universal Form Factor PCI Bus Add-in Card  
Remote Access Servers  
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  
3.3V or 5V  
(PCI VI/O  
Power Supply)  
VCC (Core  
Logic)  
GND  
CLK (33MHz)  
RST#  
UART Channel 0  
AD[31:0]  
64 Byte TX FIFO  
TX0, RX0, DTR0#,  
DSR0#, RTS0#,  
CTS0#, CD0#, RI0#  
C/BE[3:0]#  
FRAME#  
IRDY#  
UART  
Regs  
IR  
ENDEC  
TX  
& RX  
PCI Local  
Bus  
Interface  
BRG  
64 Byte RX FIFO  
TRDY#  
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  
MPIO0- MPIO7  
EEPROM  
Interface  
Inputs/Outputs  
EEDO  
EECS  
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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