Product Description
Highlights • 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 IO Buffers (See Pin List Description for Additional Details) • Single 25 MHz Reference Clock for Both PHY and MAC • External 25Mhz-output pin for an external PHY supporting PHYs 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) MACPHY Interface Running at Nibble Rate • MII Management Serial Interface • 128-Pin QFP RoHS compliant package • 128-Pin TQFP 1.0 mm height RoHS compliant package • Commercial Temperature Range from 0C to 70C (LAN91C111) • Industrial Temperature Range from -40C to 85C (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 2 LED functions at one time) - Link - Activity - Full Duplex - 10/100 - Transmit - Receive
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