KSZ8841-16 Micrel Semiconductor, KSZ8841-16 Datasheet - Page 2

• Manufacturer Part Number: KSZ8841-16
• Description: Single-port Ethernet Mac Controller With Non-pci Interface
• Manufacturer: Micrel Semiconductor

Features
• Single chip Ethernet controller with IEEE802.3u
• Supports 10BASE-T/100BASE-TX
• Supports IEEE 802.3x full-duplex flow control and
• Supports burst data transfers
• 8KB internal memory for RX/TX FIFO buffers
• Early TX/RX functions to minimize latency through the
• Optional to use external serial EEPROM configuration
• Single 25MHz reference clock for both PHY and MAC
Network Features
• Fully integrated to comply with IEEE802.3u standards
• 10BASE-T and 100BASE-TX physical layer support
• Auto-negotiation: 10/100Mbps full and half duplex
• Adaptive equalizer
• Baseline wander correction
Power Modes, Power Supplies, and Packaging
• Single power supply (3.3V) with 5V tolerant I/O
• Enhanced power management feature with power-
• Comprehensive LED indicator support for link,
• Low-power CMOS design
• Commercial Temperature Range: 0
• Industrial Temperature Range: –40
• Available in 128-pin PQFP (128-pin LQFP optional).
November 2005
Micrel Confidential
support
half-duplex backpressure collision flow control
device
for both KSZ8841-16MQL and KSZ8841-32MQL
buffers
down feature to ensure low-power dissipation during
device idle periods
activity, full/half duplex, and 10/100 speed (4 LEDs)
– User programmable
Ordering
See
Ordering
Information)
Information.
o
o
C to +85
C to +70
o
o
C (see
C
2
Additional Features
In addition to offering all of the features of a Layer 2
controller, the KSZ8841M offers:
• Dynamic buffer memory scheme
• Flexible 8-bit, 16-bit, and 32-bit generic host
• Micrel LinkMD™ cable diagnostic capabilities to
• Wake-on-LAN functionality
• HP Auto MDI-X™ crossover with disable/enable
• Ability to transmit and receive frames up to 1916
Applications
• Video Distribution Systems
• High-end Cable, Satellite, and IP set-top boxes
• Video over IP
• Voice over IP (VoIP) and Analog Telephone Adapters
• Industrial Control in Latency Critical Applications
• Motion Control
• Industrial Control Sensor Devices (Temperature,
• Security and Surveillance Cameras
Markets
• Fast Ethernet
• Embedded Ethernet
• Industrial Ethernet
LinkMD is a trademark of Micrel, Inc.
Magic Packet is a trademark of Advanced Micro Devices, Inc.
Product names used in this datasheet are for identification purposes
only and may be trademarks of their respective companies.
– Essential for applications such as Video over IP
where image jitter is unacceptable
processor interfaces
determine cable length, diagnose faulty cables, and
determine distance to fault
– Incorporates Magic Packet™, network link state,
and wake-up frame technology
option
bytes
(ATA)
Pressure, Levels, and Valves)
KSZ8841-16/32 MQL/MVL
Rev 1.3