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  Microchip Technology Semiconductor Electronic Components Datasheet  

LAN91C111 Datasheet

10/100 Non-PCI Ethernet Single Chip MAC + PHY

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LAN91C111
10/100 Non-PCI Ethernet Single Chip MAC + PHY
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 Trans-
mit FIFO Buffers
• Enhanced Power Management Features
• Optional Configuration via Serial EEPROM Inter-
face
• Supports 8, 16 and 32 Bit CPU Accesses
• Internal 32 Bit Wide Data Path (Into Packet Buffer
Memory)
• Built-in Transparent Arbitration for Slave Sequen-
tial 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 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 func-
tions at one time)
- Link
- Activity
- Full Duplex
- 10/100
- Transmit
- Receive
2011-2016 Microchip Technology Inc.
DS00002276A-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

LAN91C111 Datasheet

10/100 Non-PCI Ethernet Single Chip MAC + PHY

No Preview Available !

LAN91C111
TO OUR VALUED CUSTOMERS
It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip
products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and
enhanced as new volumes and updates are introduced.
If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via
E-mail at docerrors@microchip.com. We welcome your feedback.
Most Current Data Sheet
To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at:
http://www.microchip.com
You can determine the version of a data sheet by examining its literature number found on the bottom outside corner of any page.
The last character of the literature number is the version number, (e.g., DS30000000A is version A of document DS30000000).
Errata
An errata sheet, describing minor operational differences from the data sheet and recommended workarounds, may exist for cur-
rent devices. As device/documentation issues become known to us, we will publish an errata sheet. The errata will specify the
revision of silicon and revision of document to which it applies.
To determine if an errata sheet exists for a particular device, please check with one of the following:
• Microchip’s Worldwide Web site; http://www.microchip.com
• Your local Microchip sales office (see last page)
When contacting a sales office, please specify which device, revision of silicon and data sheet (include -literature number) you are
using.
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DS00002276A-page 2
2011-2016 Microchip Technology Inc.


Part Number LAN91C111
Description 10/100 Non-PCI Ethernet Single Chip MAC + PHY
Maker Microchip
Total Page 30 Pages
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