Features

• Single Chip Ethernet Controller
• Dual Speed - 10/100 Mbps
• Fully Supports Full Duplex Switched Ethernet
• Supports Burst Data Transfer
• 8 Kbytes Internal Memory for Receive and Transmit FIFO Buffers
• Enhanced Power Management Features
• Optional Configuration via Serial EEPROM Interface
• Supports 8, 16 and 32 Bit CPU Accesses
• Internal 32 Bit Wide Data Path (into Packet Buffer Memory)
• Built-in Transparent Arbitration for Slave Sequential Access Architecture
• Flat MMU Architecture with Symmetric Transmit and Receive Structures and Queues
• 3.3V Operation with 5V Tolerant I/O Buffers
• Single 25 MHz Reference Clock for Both PHY and MAC
• External 25 MHz Output Pin for an External PHY Supporting PHY's Physical Media
• Low Power CMOS Design
• Supports Multiple Embedded Processor Host Interfaces
  • ARM
  • SH
  • Power PC
  • Coldfire
  • 680X0, 683XX
  • MIPS R3000
• 3.3V MII (Media Independent Interface) MAC-PHY Interface Running at Nibble Rate
• MII Management Serial Interface
• 128 Pin QFP lead-free RoHS compliant package
• 128 Pin TQFP 1.0 mm height lead-free RoHS compliant package
• Commercial Temperature Range from 0°C to 70°C (LAN91C111)
• Industrial Temperature Range from -40°C to 85°C (LAN91C111i)

Network Interface

• Fully Integrated IEEE 802.3/802.3u - 100BASE-TX/10BASE-T Physical Layer
• Auto Negotiation: 10/100, Full/Half Duplex
• On Chip Wave Shaping - No External Filters Required
• Adaptive Equalizer
• Baseline Wander Correction
• LED Outputs (User Selectable - Up to Two LED Functions at One Time)
  • Link
  • Activity
  • Full Duplex
  • 10/100
  • Transmit
  • Receive