Part Datasheet Search > Interface ICs > Microchip > KSZ8081MLXCA Datasheet PDF > KSZ8081MLXCA Datasheet Pages 1/60
KSZ8081MLXCA Datasheet - Microchip
| Manufacturer: | Microchip |
| Category: | Interface ICs |
| Case Package: | LQFP-48 |
| Description: | PHY 1CH 10Mbps/100Mbps 3.3V 48Pin LQFP Tray |
| Pictures: |
KSZ8081MLXCADatasheet PDF
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KSZ8081MLX
10Base-T/100Base-TX
Physical Layer Transceiver
Revision 1.3
LinkMD is a registered trademark of Micrel, Inc.
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
August
19, 2015
Revision 1.3
General Description
The KSZ8081MLX is a single-supply 10Base-T/
100Base-TX Ethernet physical-layer transceiver for
transmission and reception of data over standard CAT-5
unshielded twisted pair (UTP) cable.
The KSZ8081MLX is a highly-integrated, compact solution.
It reduces board cost and simplifies board layout by using
on-chip termination resistors for the differential pairs, by
integrating a low-noise regulator to supply the 1.2V core,
and by offering 1.8/2.5/3.3V digital I/O interface support.
The KSZ8081MLX offers the Media Independent Interface
(MII) for direct connection with MII-compliant Ethernet
MAC processors and switches.
The KSZ8081MLX provides diagnostic features to facilitate
system bring-up and debugging in production testing and
in product deployment. Parametric NAND tree support
enables fault detection between KSZ8081MLX I/Os and
the board. Micrel LinkMD
®
TDR-based cable diagnostics
identify faulty copper cabling.
The KSZ8081MLX is available in the 48-pin, lead-free
LQFP package (see “Ordering Information”). Datasheets
and support documentation are available on website at:
www.micrel.com
.
Features
• Single-chip 10Base-T/100Base-TX IEEE 802.3
compliant Ethernet transceiver
• MII interface support
• Back-to-back mode support for 100Mbps copper
repeater
• MDC/MDIO management interface for PHY register
configuration
• Programmable interrupt output
• LED outputs for link, activity, and speed status indication
• On-chip termination resistors for the differential pairs
• Baseline wander correction
• HP Auto MDI/MDI-X to reliably detect and correct
straight-through and crossover cable connections with
disable and enable option
• Auto-negotiation to automatically select the highest link-
up speed (10/100Mbps) and duplex (half/full)
• Power-down and power-saving modes
• LinkMD TDR-based cable diagnostics to identify faulty
copper cabling
• Parametric NAND Tree support for fault detection
between chip I/Os and the board
• HBM ESD rating (6kV)
Functional Diagram
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