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XR20M1172IG28TR-F PDF预览

XR20M1172IG28TR-F

更新时间: 2024-10-02 21:09:39
品牌 Logo 应用领域
艾科嘉 - EXAR 通信时钟数据传输光电二极管外围集成电路
页数 文件大小 规格书
55页 534K
描述
I2C Bus Controller, CMOS, PDSO28, 4.40 MM, GREEN, TSSOP-28

XR20M1172IG28TR-F 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Transferred零件包装代码:SSOP
包装说明:TSSOP, TSSOP28,.25针数:28
Reach Compliance Code:compliantHTS代码:8542.31.00.01
风险等级:5.72地址总线宽度:2
边界扫描:NO最大时钟频率:24 MHz
通信协议:I2C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:
JESD-30 代码:R-PDSO-G28JESD-609代码:e3
长度:9.7 mm低功率模式:YES
湿度敏感等级:1串行 I/O 数:2
端子数量:28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:TSSOP封装等效代码:TSSOP28,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260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:1.62 V标称供电电压:3.3 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:4.4 mmuPs/uCs/外围集成电路类型:SERIAL IO/COMMUNICATION CONTROLLER, I2C BUS
Base Number Matches:1

XR20M1172IG28TR-F 数据手册

 浏览型号XR20M1172IG28TR-F的Datasheet PDF文件第2页浏览型号XR20M1172IG28TR-F的Datasheet PDF文件第3页浏览型号XR20M1172IG28TR-F的Datasheet PDF文件第4页浏览型号XR20M1172IG28TR-F的Datasheet PDF文件第5页浏览型号XR20M1172IG28TR-F的Datasheet PDF文件第6页浏览型号XR20M1172IG28TR-F的Datasheet PDF文件第7页 
XR20M1172  
TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO  
REV. 1.2.0  
OCTOBER 2013  
FEATURES  
GENERAL DESCRIPTION  
1.62 to 3.6 Volt Operation  
Selectable I2C/SPI Interface  
SPI clock frequency up to  
The XR20M11721 (M1172) is a high performance two  
channel universal asynchronous receiver and  
transmitter (UART) with 64 byte TX and RX FIFOs  
and a selectable I2C/SPI slave interface. The M1172  
operates from 1.62 to 3.63 volts. The standard  
features include 16 selectable TX and RX FIFO  
trigger levels, automatic hardware (RTS/CTS) and  
software (Xon/Xoff) flow control, and a complete  
modem interface. Onboard registers provide the user  
with operational status and data error flags. An  
18 MHz at 3.3 V  
16 MHz at 2.5 V  
8 MHz at 1.8 V  
Full-featured UART  
Data rate of up to 16 Mbps at 3.3 V  
internal  
loopback  
capability  
allows  
system  
Data rate of up to 12.5 Mbps at 2.5 V  
Data rate of up to 8 Mbps at 1.8 V  
diagnostics. Additional enhanced features includes a  
programmable fractional baud rate generator and 8X  
and 4X sampling rate that allows for a maximum baud  
rate of 16 Mbps at 3.3V. The M1172 is available in the  
32-pin QFN and 28-pin TSSOP packages. The 32-  
pin QFN package has the EN485# and ENIR# pins to  
allow the UART to power-up in the Auto RS485 mode  
or the Infrared mode.  
Fractional Baud Rate Generator  
Transmit and Receive FIFOs of 64 bytes  
16 Selectable TX and RX FIFO Trigger Levels  
Automatic Hardware (RTS/CTS) Flow Control  
Automatic Software (Xon/Xoff) Flow Control  
Halt and Resume Transmission Control  
NOTE: 1 Covered by U.S. Patent #5,649,122  
Automatic RS-485 Half-duplex Direction  
Control Output via RTS#  
APPLICATIONS  
Portable Appliances  
Wireless Infrared (IrDA 1.0 and 1.1) Encoder/  
Decoder  
Battery-Operated Devices  
Cellular Data Devices  
Automatic sleep mode (< 30 uA at 3.3V)  
General Purpose I/Os  
Factory Automation and Process Controls  
Full modem interface  
Crystal oscillator (up to 24MHz) or external clock  
(up to 64MHz) input  
32-QFN and 28-TSSOP packages  
FIGURE 1. XR20M1172 BLOCK DIAGRAM  
V C C  
1 . 6 2 V – 3 . 6 3 V  
C h a n n e l 1  
T X A  
R X A  
6 4 B y te  
T X F IF O  
E N IR #  
E N 4 8 5 #  
IR Q #  
U A R T  
R e g s  
R T S A #  
C T S A #  
6 4 B y te  
R X F IF O  
R E S E T #  
S D A  
B R G  
I2 C / S P I  
In te rfa c e  
S C K  
A 0 / C S #  
A 1 / S I  
S O  
[
]
G P IO 7:0  
G P IO s  
T X B  
R X B  
U A R T C h a n n e l 2  
(S im ila r to C h a n n e l1 )  
R T S B #  
C T S B #  
C ry s ta l  
O s c  
B u ffe r  
#
I2 C / S P I  
/
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com  

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