KSZ8841-16M/-32M
Single-Port Ethernet MAC Controller
with Non-PCI Interface
Features
Additional Features
• Single Chip Ethernet Controller with IEEE 802.3u
Support
In addition to offering all of the features of a Layer 2
controller, the KSZ8841-16M/-32M offers:
• Supports 10BASE-T/100BASE-TX
• Dynamic Buffer Memory Scheme
• Supports IEEE 802.3x Full-Duplex Flow Control
and Half-Duplex Backpressure Collision Flow
Control
- Essential for Applications such as Video over
IP where Image Jitter is Unacceptable
• Flexible 8-bit, 16-bit, and 32-bit Generic Host Pro-
cessor Interfaces
• Microchip LinkMD® Cable Diagnostic Capabilities
to Determine Cable Length, Diagnose Faulty
Cables, and Determine Distance to Fault
• Supports Burst Data Transfers
• 8 KB Internal Memory for RX/TX FIFO Buffers
• Early TX/RX Functions to Minimize Latency
Through the Device
• Optional to Use External Serial EEPROM Config-
uration for Both KSZ8841-16MQL and KSZ8841-
32MQL
• Wake-on-LAN Functionality
- Incorporates Magic Packet™, Network Link
State, and Wake-Up Frame Technology
• Single 25 MHz Reference Clock for Both PHY
and MAC
• HP Auto MDI-X™ Crossover with Disable/Enable
Option
Network Features
• Ability to Transmit and Receive Frames up to
1916 bytes
• Fully Integrated to Comply with IEEE 802.3u
Standards
Applications
• 10BASE-T and 100BASE-TX Physical Layer Sup-
port
• Video Distribution Systems
• High-End Cable, Satellite, and IP Set-Top Boxes
• Video over IP
• Auto-Negotiation: 10/100 Mbps Full- and Half-
Duplex
• Adaptive Equalizer
• Voice over IP (VoIP) and Analog Telephone
Adapters (ATA)
• Baseline Wander Correction
• Industrial Control in Latency-Critical Applications
• Motion Control
Power Modes, Power Supplies, and Packaging
• Single Power Supply (3.3V) with 5V Tolerant I/O
Buffers
• Industrial Control Sensor Devices (Temperature,
Pressure, Levels, and Valves)
• Enhanced Power Management Feature with
Power-Down Feature to Ensure Low Power Dissi-
pation During Device Idle Periods
• Security and Surveillance Cameras
Markets
• Comprehensive LED Indicator Support for Link,
Activity, Full-/Half-Duplex, and 10/100 Speed (4
LEDs)
• Fast Ethernet
• Embedded Ethernet
• Industrial Ethernet
- User Programmable
• Low-Power CMOS Design
• Commercial Temperature Range: 0°C to +70°C
• Industrial Temperature Range: –40°C to +85°C
• Available in 128-Pin PQFP and 100-Ball LFBGA
(128-Pin LQFP Optional)
2019 Microchip Technology Inc.
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