DP83848C 单端口10/100Mb/s以太网物理层收发器

使用该芯片的有：

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General Description
The DP83848C is a robust fully featured 10/100 single
port Physical Layer device offering low power consumption,
including several intelligent power down
states. These low power modes increase overall product
reliability due to decreased power dissipation. Supporting
multiple intelligent power modes allows the
application to use the absolute minimum amount of
power needed for operation.
The DP83848C 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 DP83848C easily interfaces to twisted pair media
via an external transformer. Both MII and RMII are
supported ensuring ease and flexibility of design.
The DP83848C features integrated sublayers to support
both 10BASE-T and 100BASE-TX Ethernet protocols,
which ensures compatibility and interoperability
with all other standards based Ethernet solutions.
The DP83848C 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

Features
• Low-power 3.3V, 0.18μm 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
• Integrated ANSI X3.263 compliant TP-PMD physical sublayer
with adaptive equalization and Baseline Wander compensation
• Programmable LED support Link, 10 /100 Mb/s Mode, Activity,
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)