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DP83848I Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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DP83848I Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 84 page  © 2008 National Semiconductor Corporation www.national.com 1 May 2008 DP83848I PHYTER ® - Industrial Temperature Single Port 10/100 Mb/s Ethernet Physical Layer Transceiver General Description The DP83848I is a robust fully featured 10/100 single port Physical Layer device offering low power con- sumption, including several intelligent power down states. These low power modes increase overall prod- uct reliability due to decreased power dissipation. Sup- porting multiple intelligent power modes allows the application to use the absolute minimum amount of power needed for operation. In addition to low power, the DP83848I is optimized for cable length perfor- mance far exceeding IEEE specifications. The DP83848I includes a 25MHz clock out. This means that the application can be designed with a minimum of external parts, which in turn results in the lowest possible total cost of the solution. The DP83848I easily interfaces to twisted pair media via an external transformer and fully supports JTAG IEEE specification 1149.1 for ease of manufacturing. Additionally both MII and RMII are supported ensuring ease and flexibility of design. The DP83848I features integrated sublayers to sup- port both 10BASE-T and 100BASE-TX Ethernet proto- cols, which ensures compatibility and interoperability with all other standards based Ethernet solutions. The DP83848I is offered in a small form factor (48 pin LQFP) so that a minimum of board space is needed. Applications • High End Peripheral Devices • Industrial Controls and Factory Automation • General Embedded Applications System Diagram PHYTER ® is a registered trademark of National Semiconductor. Status 10BASE-T or 100BASE-TX MII/RMII/SNI 25 MHz Clock LEDs DP83848I 10/100 Mb/s MPU/CPU Source Typical Application Features • Low-power 3.3V, 0.18 µm CMOS technology • Low power consumption < 270mW Typical • 3.3V MAC Interface • Auto-MDIX for 10/100 Mb/s • Energy Detection Mode • 25 MHz clock out • SNI Interface (configurable) • RMII Rev. 1.2 Interface (configurable) • MII Serial Management Interface (MDC and MDIO) • IEEE 802.3u MII • 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 • IEEE 1149.1 JTAG • Integrated ANSI X3.263 compliant TP-PMD physical sub- layer with adaptive equalization and Baseline Wander com- pensation • Error-free Operation up to 150 meters • Programmable LED support Link, 10 /100 Mb/s Mode, Activ- ity, and Collision Detect • Single register access for complete PHY status • 10/100 Mb/s packet BIST (Built in Self Test) • 48-pin LQFP package (7mm) x (7mm) |
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Similar Description - DP83848I_08 |
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