LAN8820 Datasheet, PDF (1/83 Pages) Microchip Technology – RGMII 10/100/1000 Ethernet Transceiver

LAN8820/LAN8820I
RGMII 10/100/1000 Ethernet Transceiver
with HP Auto-MDIX Support
Highlights
• Single-Chip Ethernet Physical Layer Transceiver
(PHY)
• Compliant with IEEE 802.3ab (1000BASE-T),
IEEE 802.3u (Fast Ethernet), and ISO 802-3/IEEE
802.3 (10BASE-T)
• HP Auto-MDIX support in accordance with IEEE
802.3ab specification at 10/100/1000 Mbps oper-
ation
• Miniature 56-pin QFN lead-free RoHS compliant
package with RGMII (8 x 8 x 0.85mm height)
• Flexible configurations for LED status indicators
• Implements Reduced Power Operating Modes
Target Applications
• Set-Top Boxes
• Networked Printers and Servers
• Test Instrumentation
• LAN on Motherboard
• Embedded Telecom Applications
• Video Record/Playback Systems
• Cable Modems/Routers
• DSL Modems/Routers
• Digital Video Recorders
• IP and Video Phones
• Wireless Access Points
• Digital Televisions
• Digital Media Adaptors/Servers
• Gaming Consoles
• POE Applications
Key Benefits
• High-Performance 10/100/1000 Ethernet Trans-
ceiver
- Compliant with IEEE 802.3ab (1000BASE-T)
- Compliant with IEEE 802.3/802.3u (Fast
Ethernet)
- Compliant with ISO 802-3/IEEE 802.3
(10BASE-T)
- 10BASE-T, 100BASE-TX and 1000BASE-T
support
- Loop-back modes
- Auto-negotiation (NEXT page support)
- Automatic polarity detection and correction
- Link status change wake-up detection
- Vendor specific register functions
- Supports reduced pin count RGMII interface
- Controlled impedance outputs
- Supports RGMII ID mode
- Four status LED outputs and configurable
LED modes with support for tricolor operation
- Compliant with IEEE 802.3-2005 standards
- RGMII pins tolerant to 3.6V
- Integrated DSP implements adaptive equal-
izer, echo cancellers, and crosstalk cancel-
lers
- Efficient digital baseline wander correction
• Power and I/Os
- Configurable LED outputs
- Various low power modes
- 2.5V I/O supply
• Miscellaneous Features
- IEEE 1149.1 (JTAG) boundary scan
- Multiple clock options - 25MHz crystal or
25MHz single-ended clock
• Packaging
- 56-pin QFN (8x8 mm) RoHS compliant pack-
age with RGMII
• Environmental
- Commercial temperature range
(0°C to +70°C)
- Industrial temperature range (-40°C to
+85°C)
 2009-2015 Microchip Technology Inc.
DS00001871B-page 1