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DP83848T

更新时间: 2024-01-01 23:27:04
品牌 Logo 应用领域
美国国家半导体 - NSC 以太网局域网(LAN)标准
页数 文件大小 规格书
78页 1014K
描述
Industrial Temperature Single 10/100 Ethernet Transceiver

DP83848T 数据手册

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October 2007  
DP83848T PHYTER® Mini - Industrial Temperature  
Single 10/100 Ethernet Transceiver  
General Description  
Features  
The DP83848T PHYTER Mini addresses the quality, reli-  
ability and small form factor required for space sensitive  
applications in embedded systems operating in the  
industrial temperature range.  
Low-power 3.3V, 0.18µm CMOS technology  
Auto-MDIX for 10/100 Mb/s  
Energy Detection Mode  
3.3V MAC Interface  
The device offers performance far exceeding the IEEE  
specifications, with superior interoperability and industry  
leading performance beyond 137m of Cat-V cable. The  
DP83848T also offers Auto-MDIX to remove cabling  
complications. DP83848T has superior ESD protection,  
greater than 4KV Human Body Model, providing  
extremely high reliability and robust operation, ensuring a  
high level performance in all applications.  
RMII Rev. 1.2 Interface (configurable)  
MII Interface  
MII serial management interface (MDC and MDIO)  
IEEE 802.3u Auto-Negotiation and Parallel Detection  
IEEE 802.3u ENDEC, 10BASE-T transceivers and filters  
IEEE 802.3u PCS, 100BASE-TX transceivers and filters  
National’s DP83848T incorporates a number of system  
cost-reducing features not found on other supplier’s  
Physical layer products. For example, the DP83848T  
incorporates a 25MHz clock out that eliminates the need  
and hence the space and cost, of an additional Media  
Access Control (MAC) clock source component. In addi-  
tion, both MII and RMII are supported ensuring ease and  
flexibility of design.  
Integrated ANSI X3.263 compliant TP-PMD physical su-  
blayer with adaptive equalization and Baseline Wander  
compensation  
Error-free Operation up to 137 meters  
ESD protection - 4KV Human body model  
Configurable LED for link and activity  
Supports system clock from oscillator  
The DP83848T is offered in a tiny 6mm x 6mm LLP 40-  
pin package and is ideal for industrial controls, build-  
ing/factory automation, transportation, test equipment  
and wireless base stations.  
Single register access for complete PHY status  
10/100 Mb/s packet BIST (Built in Self Test)  
40 pin LLP package (6mm) x (6mm) x (0.8mm)  
Applications  
Peripheral devices  
Mobile devices  
Factory and building automation  
Base stations  
System Diagram  
DP83848T  
10BASE-T  
or  
10/100 Ethernet  
Transceiver  
MPU/CPU  
MII/RMII  
100BASE-TX  
Clock  
Status  
LED  
Source  
Typical Ethernet Application  
PHYTER® is a registered trademark of National Semiconductor Corporation.  
www.national.com  
© 2007 National Semiconductor Corporation  

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