LAN91C100FD REV. D
FEAST Fast Ethernet
Controller with Full
Duplex Capability
Datasheet
Product Features
Dual Speed CSMA/CD Engine (10 Mbps and 100
Mbps)
Compliant with IEEE 802.3 100BASE-T
Specification
Supports 100BASE-TX, 100BASE-T4, and
10BASE-T Physical Interfaces
32 Bit Wide Data Path (into Packet Buffer
Memory)
Support for 32 and 16 Bit Buses
Support for 32, 16 and 8 Bit CPU Accesses
Synchronous, Asynchronous and Burst DMA
Interface Mode Options
128 Kbyte External Memory
Built-In Transparent Arbitration for Slave
Sequential Access Architecture
Early TX, Early RX Functions
Flat MMU Architecture with Symmetric Transmit
and Receive Structures and Queues
MII (Media Independent Interface) Compliant
MAC-PHY Interface Running at Nibble Rate
MII Management Serial Interface
Seven Wire Interface to 10 Mbps ENDEC
EEPROM-Based Setup
Full Duplex Capability
ORDERING INFORMATION
Order Numbers:
LAN91C100-FD for 208-pin QFP package
LAN91C100-FD-SS for 208-pin QFP package (green, lead-free)
LAN91C100-FD for 208-pin TQFP package
LAN91C100-FD-ST for 208-pin TQFP package (green, lead-free)
SMSC DS – LAN91C100FD Rev. D
Page 1
Rev. 01-20-06
DATASHEET
SMSC [ SMSC CORPORATION ]
