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XR16M2651IM48 PDF预览

XR16M2651IM48

更新时间: 2024-11-07 02:54:35
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
51页 1185K
描述
HIGH PERFORMANCE DUART WITH 32-BYTE FIFO AND POWERSAVE FEATURE

XR16M2651IM48 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:TFQFP, TQFP48,.35SQ
针数:48Reach Compliance Code:unknown
HTS代码:8542.31.00.01风险等级:5.83
其他特性:ALSO OPERATES AT 1.8V OR 2.5V SUPPLY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最大数据传输速率:2 MBps
外部数据总线宽度:8JESD-30 代码:S-PQFP-G48
长度:7 mm低功率模式:YES
湿度敏感等级:1串行 I/O 数:2
端子数量:48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:TFQFP封装等效代码:TQFP48,.35SQ
封装形状:SQUARE封装形式:FLATPACK, THIN PROFILE, FINE PITCH
峰值回流温度(摄氏度):225电源:1.8/3.3 V
认证状态:Not Qualified座面最大高度:1.2 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: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:7 mm
uPs/uCs/外围集成电路类型:SERIAL IO/COMMUNICATION CONTROLLER, SERIALBase Number Matches:1

XR16M2651IM48 数据手册

 浏览型号XR16M2651IM48的Datasheet PDF文件第2页浏览型号XR16M2651IM48的Datasheet PDF文件第3页浏览型号XR16M2651IM48的Datasheet PDF文件第4页浏览型号XR16M2651IM48的Datasheet PDF文件第5页浏览型号XR16M2651IM48的Datasheet PDF文件第6页浏览型号XR16M2651IM48的Datasheet PDF文件第7页 
XR16M2651  
HIGH PERFORMANCE DUART WITH 32-BYTE FIFO AND POWERSAVE FEATURE  
MAY 2007  
REV. 1.0.2  
FEATURES  
GENERAL DESCRIPTION  
1.62 to 3.63 Volt Operation  
1
The XR16M2651 (M2651) is a high performance  
dual universal asynchronous receiver and transmitter  
(UART) with 32 byte TX and RX FIFOs. The device  
operates from 1.62 to 3.63 volts and is pin-to-pin and  
software compatible to the XR16V2551 and  
Pin-to-pin and software compatible to Exar’s  
XR16L2551, XR16V2551 and XR16M2551  
Two independent UART channels  
Register set is 16550 compatible  
XR16L2551. The device includes  
2 additional  
capabilities over the XR16M2650: Intel and Motorola  
data bus selection and a “PowerSave” mode to  
minimize the sleep current. It supports Exar’s  
enhanced features of selectable FIFO trigger level,  
automatic hardware (RTS/CTS) and software flow  
control, and a complete modem interface. An internal  
loopback capability allows system diagnostics.  
Independent programmable fractional 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 M2651 is available in 48-pin TQFP and 32-  
pin QFN packages.  
Data rate of up to 16 Mbps at 3.3 V  
Data rate of up to 12.5 Mbps at 2.5 V  
Data rate of up to 8 Mbps at 1.8V  
Fractional Baud Rate Generator  
Transmit and Receive FIFOs of 32 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 with wake-up interrupt  
Full modem interface  
NOTE: 1 Covered by U.S. Patent #5,649,122  
APPLICATIONS  
PowerSave Feature reduces sleep current to 15 µA  
Device Identification and Revision  
Portable Appliances  
Telecommunication Network Routers  
Ethernet Network Routers  
Crystal oscillator (up to 24MHz) or external clock  
(up to 64MHz) input  
48-TQFP and 32-QFN packages  
Cellular Data Devices  
Factory Automation and Process Controls  
FIGURE 1. XR16M2651 BLOCK DIAGRAM  
1.62 to 3.63V VCC  
GND  
PwrSave  
A2:A0  
D7:D0  
UART Channel A  
IOR# (VCC)  
IOW# (R/W#)  
CSA# (CS#)  
TXA, RXA, DTRA#,  
32 Byte TX FIFO  
UART  
Regs  
DSRA#, RTSA#,  
CTSA#, CDA#, RIA#,  
OP2A#  
IR  
TX & RX  
ENDEC  
CSB# (A3)  
BRG  
INTA (IRQ#)  
32 Byte RX FIFO  
INTB (logic 0)  
TXB, RXB, DTRB#,  
DSRB#, RTSB#,  
CTSB#, CDB#, RIB#,  
OP2B#  
TXRDYA#  
TXRDYB#  
RXRDYA#  
RXRDYB#  
UART Channel B  
(same as Channel A)  
Intel or  
Motorola  
Data Bus  
Interface  
XTAL1  
XTAL2  
Reset (Reset#)  
16/68#  
Crystal Osc/Buffer  
CLKSEL  
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com  

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