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LAN91C111 Datasheet, PDF (1/142 Pages) SMSC Corporation – 10/100 Non-PCI Ethernet Single Chip MAC + PHY
LAN91C111
10/100 Non-PCI
Ethernet Single Chip
MAC + PHY
PRODUCT FEATURES
Datasheet
■ 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)
■ Early TX, Early RX Functions
■ 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) MAC-PHY
Interface Running at Nibble Rate
■ MII Management Serial Interface
■ 128 Pin QFP package; green, lead-free package also
available.
■ 128 Pin TQFP package, 1.0 mm height; green, lead-
free package also available.
■ Industrial Temperature Range from -40°C to 85°C
(LAN91C111i only)
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
SMSC LAN91C111-REV B
DATASHEET
Revision 1.8 (07-13-05)