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KSZ8051MNL

Micrel Semiconductor
Part Number KSZ8051MNL
Manufacturer Micrel Semiconductor
Description 10Base-T/100Base-TX Physical Layer Transceiver
Published Apr 28, 2011
Detailed Description KSZ8051MNL/RNL 10Base-T/100Base-TX Physical Layer Transceiver General Description Features The KSZ8051 is a single su...
Datasheet PDF File KSZ8051MNL PDF File

KSZ8051MNL
KSZ8051MNL

Overview
KSZ8051MNL/RNL 10Base-T/100Base-TX Physical Layer Transceiver General Description Features The KSZ8051 is a single supply 10Base-T/100Base-TX • Single-chip 10Base-T/100Base-TX IEEE 802.
3 Ethernet physical layer transceiver for transmission and compliant Ethernet Transceiver reception of data over standard CAT-5 unshielded twisted • MII Interface support (KSZ8051MNL) pair (UTP) cable.
• RMII v1.
2 Interface support with 50MHz reference clock The KSZ8051 is a highly integrated, compact solution.
It output to MAC, and option to input 50MHz reference reduces board cost and simplifies board layout by using clock (KSZ8051RNL) on-chip termination resistors for the differential pairs and • Back-to-Back mode support for 100Mbps copper by integrating a low noise regulator to supply the 1.
2V repeater or media converter core.
• MDC/MDIO Management Interface for PHY register The KSZ8051MNL offers the Media Independent Interface configuration (MII) and the KSZ8051RNL offers the Reduced Media • Programmable interrupt output Independent Interface (RMII) for direct connection with MII/ • LED outputs for link, activity and speed status indication RMII compliant Ethernet MAC processors and switches.
• On-chip termination resistors for the differential pairs A 25MHz crystal is used to generate all required clocks, including the 50MHz RMII reference clock output for the • Baseline Wander Correction KSZ8051RNL.
• HP Auto MDI/MDI-X for reliable detection and The KSZ8051 provides diagnostic features to facilitate correction for straight-through and crossover cables system bring-up and debugging in production testing and with disable and enable option in product deployment.
Parametric NAND tree support • Auto-negotiation to automatically select the highest link enables fault detection between KSZ8051 I/Os and board.
up speed (10/100 Mbps) and duplex (half/full) ® Micrel LinkMD TDR-based cable diagnostics permit • Power down and power saving modes identification of faulty copper cabling.
•...


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