LAN91C111 datasheet(1/125 Pages) MICROCHIP

Part #	LAN91C111

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

PDF	125 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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1 / 125 page

 2011-2016 Microchip Technology Inc.

DS00002276A-page 1

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 0

C to

70

C (LAN91C111)

• Industrial Temperature Range from -40

C to 85C

(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

LAN91C111

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

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