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  Microchip Technology Semiconductor Electronic Components Datasheet  

KSZ8851-32MQL Datasheet

Single-Port Ethernet MAC Controller

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KSZ8851-16/32MQL
Single-Port Ethernet MAC Controller
with 8/16-Bit or 32-Bit Non-PCI Interface
Features
• Integrated MAC and PHY Ethernet Controller Fully
Compliant with IEEE 802.3/802.3u Standards
• Designed for High Performance and High Through-
put Applications
• Supports 10BASE-T/100BASE-TX
• Supports IEEE 802.3x Full-Duplex Flow Control and
Half-Duplex Backpressure Collision Flow Control
• Supports DMA-Slave Burst Data Read and Write
Transfers
• Supports IP Header (IPv4)/TCP/UDP/ICMP Check-
sum Generation and Checking
• Supports IPv6 TCP/UDP/ICMP Checksum Genera-
tion and Checking
• Automatic 32-bit CRC Generation and Checking
• Simple SRAM-Like Host Interface Easily Connects to
Most Common Embedded MCUs
• Supports Multiple Data Frames for Transmit and
Receive without Address Bus and Byte-Enable Sig-
nals
• Supports Both Big- and Little-Endian Processors
• Larger Internal Memory with 12K Bytes for RX FIFO
and 6K Bytes for TX FIFO. Programmable Low,
High, and Overrun Watermark for Flow Control 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 Configura-
tion for Both KSZ8851-16MQL and KSZ8851-
32MQL
• 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 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
• Flexible Package Options Available in 128-pin
PQFP: KSZ8851-16/32MQL or 48-pin LQFP
KSZ8851-16MLL
• Pin Compatible with Existing 128-pin KSZ8841-16/
32MQL and KSZ8842-16/32MQL
Additional Features
In addition to offering all of the features of a Layer 2 con-
troller, the KSZ8851-16/23MQL offers:
• Flexible 8-bit, 16-bit, and 32-bit Generic Host Pro-
cessor Interfaces with Same Access Time and Sin-
gle Bus Timing to Any I/O Registers and RX/TX FIFO
Buffers
• Supports Adding Two-Bytes Before Frame Header in
Order for IP Frame Content with Double Word
Boundary
• LinkMD® Cable Diagnostic Capabilities to Determine
Cable Length, Diagnose Faulty Cables, and Deter-
mine Distance to Fault
• Wake-on-LAN Functionality
- Incorporates Magic Packet™, Network Link
State, and Wake-Up Frame 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
• High-End Cable, Satellite, and IP Set-Top Boxes
• Video over IP and IPTV
• Voice over IP (VoIP) and Analog Telephone Adapters
(ATA)
• Industrial Control in Latency-Critical Applications
• Home Base Station with Ethernet Connection
• Industrial Control Sensor Devices (Temp., Pressure,
Levels, and Valves)
• Security, Motion Control, and Surveillance Cameras
Markets
• Fast Ethernet
• Embedded Ethernet
• Industrial Ethernet
• Embedded Systems
2017 Microchip Technology Inc.
DS00002425A-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

KSZ8851-32MQL Datasheet

Single-Port Ethernet MAC Controller

No Preview Available !

KSZ8851-16/32MQL
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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DS00002425A-page 2
2017 Microchip Technology Inc.


Part Number KSZ8851-32MQL
Description Single-Port Ethernet MAC Controller
Maker Microchip
Total Page 30 Pages
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