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  Microchip Technology Semiconductor Electronic Components Datasheet  

KSZ8851SNLI Datasheet

Single-Port Ethernet Controller

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KSZ8851SNL/SNLI
Single-Port Ethernet Controller with SPI
Features
• Integrated MAC and PHY Ethernet Controller
Fully Compliant with IEEE 802.3/802.3u Stan-
dards
• SPI with Clock Speeds up to 40 MHz for High
Throughput Applications
• Supports 10BASE-T/100BASE-TX
• Supports IEEE 802.3x Full-Duplex Flow Control
and Half-Duplex Backpressure Collision Flow
Control
• Supports RXQ and TXQ FIFO DMA for Fast Data
Read and Write Transfers
• Supports IP Header (IPv4)/TCP/UDP/ICMP
Checksum Generation and Checking
• Supports IPv6 TCP/UDP/ICMP Checksum Gener-
ation and Checking
• Automatic 32-bit CRC Generation and Checking
• Supports Simple Command and Data Phases in
SPI Cycle for RXQ/TXQ FIFO and Registers
Read/Write
• Supports Multiple Data Frames for TXQ FIFO and
RXQ FIFO without Additional Command Phase
• Supports Flexible Byte (8-bit), Word (16-bit) and
Double Word (32-bit) Read/Write Access to Inter-
nal Registers
• Larger Internal Memory with 12K Bytes for RX
FIFO and 6K Bytes for TX FIFO. Programmable
Low, High, and Overrun Watermark for Flow Con-
trol in RX FIFO
• Efficient Architecture Design with Configurable
Host Interrupt Schemes to Minimize Host CPU
Overhead and Utilization
• Powerful and Flexible Address Filtering Scheme
• Optional to Use External Serial EEPROM Config-
uration for MAC Address
• Single 25 MHz Reference Clock for Both PHY
and MAC
Power Modes, Power Supplies, and
Packaging
• Single 3.3V Power Supply with Options for 1.8V,
2.5V, and 3.3V VDD I/O
• Built-In Integrated 3.3V or 2.5V to 1.8V Low Noise
Regulator (LDO) for Core and Analog Blocks
• Enhanced Power Management Feature with
Energy Detect Mode and Soft Power-Down Mode
to Ensure Low-Power Dissipation During Device
Idle Periods
• Comprehensive LED Indicator Support for Link,
Activity and 10/100 Speed (2 LEDs)
- User Programmable
• Low-Power CMOS Design
• Commercial Temperature Range: 0°C to +70°C
• Industrial Temperature Range: –40°C to +85°C
• Available in 32-pin (5 mm x 5 mm) QFN Package
Additional Features
In addition to offering all of the features of a Layer 2
controller, the KSZ8851SNL offers:
• Supports Adding Two-Bytes Before Frame
Header in Order for IP Frame Content with Dou-
ble Word Boundary
• LinkMD® Cable Diagnostic Capabilities to Deter-
mine Cable Length, Diagnose Faulty Cables, and
Determine Distance to Fault
• Wake-on-LAN Functionality
- Incorporates Magic Packet™, Wake-Up
Frame, Network Link State, and Detection of
Energy Signal Technology
• HP Auto MDI-X™ Crossover with Disable/Enable
Option
• Ability to Transmit and Receive Frames up to
2000 Bytes
Network Features
• 10BASE-T and 100BASE-TX Physical Layer Sup-
port
• Auto-Negotiation: 10/100 Mbps Full- and Half-
Duplex
• Adaptive Equalizer
• Baseline Wander Correction
Applications
• Video/Audio Distribution Systems
• Voice over IP (VoIP) and Analog Telephone
Adapters (ATA)
• Building Automation
• Industrial Control Sensor Devices (Temperature,
Pressure, Levels, and Valves)
• Security, Motion Control, and Surveillance Cam-
eras
Markets
• Fast Ethernet
• Embedded Ethernet
• Industrial Ethernet
• Embedded Systems
2017 Microchip Technology Inc.
DS00002381A-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

KSZ8851SNLI Datasheet

Single-Port Ethernet Controller

No Preview Available !

KSZ8851SNL/SNLI
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.
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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
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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:
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DS00002381A-page 2
2017 Microchip Technology Inc.


Part Number KSZ8851SNLI
Description Single-Port Ethernet Controller
Maker Microchip
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KSZ8851SNLI Datasheet PDF






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