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DP83848M_08

更新时间: 2024-11-24 06:54:19
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
80页 1240K
描述
PHYTER® Mini - Commercial Temperature Single 10/100 Ethernet Transceiver

DP83848M_08 数据手册

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May 2008  
DP83848M PHYTER® Mini - Commercial Temperature  
Single 10/100 Ethernet Transceiver  
Features  
General Description  
Low-power 3.3V, 0.18µm CMOS technology  
Auto-MDIX for 10/100 Mb/s  
The DP83848M PHYTER Mini addresses the quality, reli-  
ability and small form factor required for space sensitive  
applications in embedded systems.  
Energy Detection Mode  
The device offers performance far exceeding the IEEE  
specifications, with superior interoperability and industry  
leading performance beyond 137m of Cat-V cable. The  
3.3V MAC Interface  
RMII Rev. 1.2 Interface (configurable)  
DP83848M also offers Auto-MDIX to remove cabling com- MII Interface  
plications. DP83848M has superior ESD protection,  
MII serial management interface (MDC and MDIO)  
IEEE 802.3u Auto-Negotiation and Parallel Detection  
greater than 4KV Human Body Model, providing extremely  
high reliability and robust operation, ensuring a high level  
performance in all applications.  
IEEE 802.3u ENDEC, 10BASE-T transceivers and filters  
IEEE 802.3u PCS, 100BASE-TX transceivers and filters  
National’s DP83848M incorporates a number of system  
cost-reducing features not found on other supplier’s Physi-  
cal layer products. For example, the DP83848M incorpo-  
rates 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 addition, both  
Integrated ANSI X3.263 compliant TP-PMD physical sub-  
layer with adaptive equalization and Baseline Wander  
compensation  
Error-free Operation up to 137 meters  
MII and RMII are supported ensuring ease and flexibility of ESD protection - 4KV Human body model  
design.  
Configurable LED for link and activity  
The DP83848M is offered in a tiny 6mm x 6mm LLP 40-pin  
package and is ideal for industrial controls, building/factory  
automation, transportation, test equipment and wireless  
base stations.  
Supports system clock from oscillator  
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  
DP83848M  
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  
© 2008 National Semiconductor Corporation  

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