LAN91C111-NU Standard Microsystems (SMSC), LAN91C111-NU Datasheet - Page 11

• Manufacturer Part Number: LAN91C111-NU
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN91C111-NU

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3.135V
• Operating Supply Voltage (max): 3.465V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 128
• Lead Free Status / RoHS Status: Compliant

10/100 Non-PCI Ethernet Single Chip MAC + PHY
Datasheet
Chapter 3 Block Diagrams
SMSC LAN91C111 REV C
ISA,Embedded
Processor
The diagram shown in Figure 3.1, "Basic Functional Block Diagram", describes the device basic
functional blocks. The SMSC LAN91C111 is a single chip solution for embedded designs with minimal
Host and external supporting devices required to implement 10/100 Ethernet connectivity solutions.
The optional Serial EEPROM is used to store information relating to default IO offset parameters as
well as which of the Interrupt line are used by the host.
TX/RX Buffer (8K)
Ethernet
MAC
(Optional)
Figure 3.1 Basic Functional Block Diagram
EEProm
Serial
LAN91C111
Internal IEEE 802.3 MII (Media
Independent Interface)
DATASHEET
11
Core
PHY
Minimal LAN91C111
Configuration
Transformer
Revision 1.91 (06-01-09)
RJ45