KSZ8091RNA Datasheet, PDF (1/62 Pages) Micrel Semiconductor – 10Base-T/100Base-TX Physical Layer Transceiver

KSZ8091RNA/RND
10BASE-T/100BASE-TX PHY
with RMII and EEE Support
Features
• Single-Chip 10BASE-T/100BASE-TX IEEE 802.3
Compliant Ethernet Transceiver
• RMII V1.2 Interface Support with a 50 MHz Refer-
ence Clock Output to MAC, and an Option to
Input a 50 MHz Reference Clock
• RMII Back-to-Back Mode Support for a 100 Mbps
Copper Repeater
• MDC/MDIO Management Interface for PHY Reg-
ister Configuration
• Programmable Interrupt Output
• LED Outputs for Link and Activity Status Indica-
tion
• On-Chip Termination Resistors for the Differential
Pairs
• Baseline Wander Correction
• HP Auto MDI/MDI-X to Reliably Detect and Cor-
rect Straight-Through and Crossover Cable Con-
nections with Disable and Enable Option
• Auto-Negotiation to Automatically Select the
Highest Link-Up Speed (10/100 Mbps) and
Duplex (Half/Full)
• Energy Efficient Ethernet (EEE) Support with
Low-Power Idle (LPI) Mode for 100BASE-TX and
Transmit Amplitude Reduction with 10BASE-TE
Option
• Wake-on-LAN (WoL) Support with Either Magic
Packet, Link Status Change, or Robust Custom-
Packet Detection
• LinkMD^® TDR-Based Cable Diagnostics to Iden-
tify Faulty Copper Cabling
• HBM ESD Rating (6 kV)
• Parametric NAND Tree Support for Fault Detec-
tion Between Chip I/Os and the Board
• Loopback Modes for Diagnostics
• Power-Down and Power-Saving Modes
• Single 3.3V Power Supply with V_DD I/O Options
for 1.8V, 2.5V, or 3.3V
• Built-In 1.2V Regulator for Core
• Available in 24-Pin (4 mm × 4 mm) QFN Package
Target Applications
• Game Consoles
• IP Phones
• IP Set-Top Boxes
• IP TVs
• LOM
• Printers
 2016 Microchip Technology Inc.
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