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XR16V2550IL32 PDF预览

XR16V2550IL32

更新时间: 2024-11-22 02:52:03
品牌 Logo 应用领域
艾科嘉 - EXAR 先进先出芯片
页数 文件大小 规格书
48页 987K
描述
HIGH PERFORMANCE DUART WITH 16-BYTE FIFO

XR16V2550IL32 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:QFN包装说明:VQCCN, LCC32,.2SQ,20
针数:32Reach Compliance Code:unknown
HTS代码:8542.31.00.01风险等级:5.77
其他特性:ALSO OPERATES AT 2.5V SUPPLY @ 50MHZ地址总线宽度:3
边界扫描:NO最大时钟频率:64 MHz
通信协议:ASYNC, BIT数据编码/解码方法:NRZ
最大数据传输速率:2 MBps外部数据总线宽度:8
JESD-30 代码:S-XQCC-N32长度:5 mm
低功率模式:YES湿度敏感等级:1
串行 I/O 数:2端子数量:32
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:UNSPECIFIED封装代码:VQCCN
封装等效代码:LCC32,.2SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER, VERY THIN PROFILE峰值回流温度(摄氏度):225
电源:2.5/3.3 V认证状态:Not Qualified
座面最大高度:1 mm子类别:Serial IO/Communication Controllers
最大供电电压:3.63 V最小供电电压:2.97 V
标称供电电压:3.3 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子形式:NO LEAD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:5 mmuPs/uCs/外围集成电路类型:SERIAL IO/COMMUNICATION CONTROLLER, SERIAL
Base Number Matches:1

XR16V2550IL32 数据手册

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PRELIMINARY  
XR16V2550  
HIGH PERFORMANCE DUART WITH 16-BYTE FIFO  
JUNE 2006  
REV. P1.0.0  
FEATURES  
GENERAL DESCRIPTION  
2.25 to 3.6 Volt Operation  
5 Volt Tolerant Inputs  
1
The XR16V2550 (V2550) is a high performance dual  
universal asynchronous receiver and transmitter  
(UART) with 16 bytes TX and RX FIFOs. The device  
operates from 2.25 to 3.6 volts with 5 Volt tolerant  
inputs and is pin-to-pin compatible to Exar’s  
ST16C2550 and XR16C2550. The V2550 register set  
is compatible to the ST16C2550 and the XR16L2550.  
It supports Exar’s enhanced features of selectable  
FIFO trigger level, automatic hardware (RTS/CTS)  
and software flow control, and a complete modem  
interface. Onboard registers provide the user with  
operational status and data error flags. An internal  
loopback capability allows system diagnostics.  
Independent programmable baud rate generators are  
provided in each channel to select data rates up to 16  
Mbps at 3.3 Volt with 4X sampling clock. The V2550  
is available in 48-pin TQFP and 32-pin QFN  
packages.  
Pin-to-pin compatible to ST16C2550, XR16C2550  
and XR16L2550 in the 48-TQFP package  
Two independent UART channels  
Register set compatible to XR16L2550  
Data rate of up to 16 Mbps at 3.3 V, and 12.5  
Mbps at 2.5 V with 4X sampling rate  
Fractional Baud Rate Generator  
Transmit and Receive FIFOs of 16 bytes  
Selectable TX and RX FIFO Trigger Levels  
Automatic Hardware (RTS/CTS) Flow Control  
Automatic Software (Xon/Xoff) Flow Control  
Wireless Infrared (IrDA 1.0) Encoder/Decoder  
Automatic sleep mode  
NOTE: 1 Covered by U.S. Patent #5,649,122  
Full modem interface  
APPLICATIONS  
Device Identification and Revision  
Portable Appliances  
Telecommunication Network Routers  
Ethernet Network Routers  
Crystal oscillator (up to 32MHz) or external clock  
(up to 64MHz) input  
48-TQFP and 32-QFN packages  
Cellular Data Devices  
Factory Automation and Process Controls  
FIGURE 1. XR16V2550 BLOCK DIAGRAM  
* 5 Volt Tolerant Inputs  
2.25 to 3.6 Volt VCC  
A2:A0  
D7:D0  
GND  
IOR#  
IOW#  
UART Channel A  
TXA, RXA, DTRA#,  
16 Byte TX FIFO  
CSA#  
CSB#  
UART  
DSRA#, RTSA#,  
DTSA#, CDA#, RIA#,  
OP2A#  
Regs  
IR  
ENDEC  
TX & RX  
8-bit Data  
Bus  
Interface  
INTA  
INTB  
BRG  
16 Byte RX FIFO  
TXRDYA#  
TXRDYB#  
RXRDYA#  
RXRDYB#  
TXB, RXB, DTRB#,  
DSRB#, RTSB#,  
CTSB#, CDB#, RIB#,  
OP2B#  
UART Channel B  
(same as Channel A)  
Reset  
XTAL1  
XTAL2  
Crystal Osc/Buffer  
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com  

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