KSZ8841-16MVLI Micrel Inc, KSZ8841-16MVLI Datasheet - Page 4

• Manufacturer Part Number: KSZ8841-16MVLI
• Description: Single Ethernet Port + Generic (8, 16-bit) Bus Interface( )
• Manufacturer: Micrel Inc

Specifications of KSZ8841-16MVLI

• Controller Type: Ethernet Controller, MAC
• Interface: Bus
• Voltage - Supply: 3.1 V ~ 3.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 128-LQFP
• Operating Supply Voltage (typ): 3.3V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 128
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 576-1632 - BOARD EVALUATION KSZ8841-16MVL
• Current - Supply: -
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 576-2114; KSZ8841-16MVLI

Contents
General Description .............................................................................................................................................................. 1
Functional Diagram............................................................................................................................................................... 1
Features ................................................................................................................................................................................. 2
Applications........................................................................................................................................................................... 2
Markets................................................................................................................................................................................... 2
Ordering Information ............................................................................................................................................................ 3
Revision History .................................................................................................................................................................... 3
Pin Configuration for KSZ8841-16 Chip (8/16-Bit) ........................................................................................................... 10
Ball Configuration for KSZ8841-16 Chip (8/16-Bit) .......................................................................................................... 11
Pin Description for KSZ8841-16 Chip (8/16-Bit) ............................................................................................................... 12
Ball Description for KSZ8841-16 Chip (8/16-Bit) .............................................................................................................. 17
Pin Configuration for KSZ8841-32 Chip (32-Bit) .............................................................................................................. 21
Pin Description for KSZ8841-32 Chip (32-Bit) .................................................................................................................. 22
Functional Description ....................................................................................................................................................... 27
Functional Overview ........................................................................................................................................................... 27
October 2007
Micrel, Inc.
Network Features ........................................................................................................................................................... 2
Power Modes, Power Supplies, and Packaging............................................................................................................. 2
Power Management ..................................................................................................................................................... 27
Physical Layer Transceiver (PHY)................................................................................................................................ 28
Media Access Control (MAC) Operation ...................................................................................................................... 32
Bus Interface Unit (BIU)................................................................................................................................................ 33
Queue Management Unit (QMU).................................................................................................................................. 38
Power down ............................................................................................................................................................................... 27
Wake-on-LAN............................................................................................................................................................................. 27
Link Change............................................................................................................................................................................... 27
Wake-up Packet......................................................................................................................................................................... 27
Magic Packet.............................................................................................................................................................................. 27
100BASE-TX Transmit............................................................................................................................................................... 28
100BASE-TX Receive................................................................................................................................................................ 29
PLL Clock Synthesizer (Recovery)............................................................................................................................................. 29
Scrambler/De-scrambler (100BASE-TX Only) ........................................................................................................................... 29
10BASE-T Transmit ................................................................................................................................................................... 29
10BASE-T Receive .................................................................................................................................................................... 29
MDI/MDI-X Auto Crossover........................................................................................................................................................ 29
Auto Negotiation......................................................................................................................................................................... 31
LinkMD Cable Diagnostics ......................................................................................................................................................... 32
Inter Packet Gap (IPG)............................................................................................................................................................... 32
Back-Off Algorithm ..................................................................................................................................................................... 32
Late Collision.............................................................................................................................................................................. 32
Flow Control............................................................................................................................................................................... 32
Half-Duplex Backpressure ......................................................................................................................................................... 33
Clock Generator ......................................................................................................................................................................... 33
Supported Transfers .................................................................................................................................................................. 33
Physical Data Bus Size .............................................................................................................................................................. 33
Asynchronous Interface ............................................................................................................................................................. 35
Synchronous Interface ............................................................................................................................................................... 36
BIU Summation .......................................................................................................................................................................... 36
BIU Implementation Principles ................................................................................................................................................... 37
Transmit Queue (TXQ) Frame Format ....................................................................................................................................... 38
Straight Cable........................................................................................................................................................................ 30
Crossover Cable.................................................................................................................................................................... 30
Access................................................................................................................................................................................... 32
Usage .................................................................................................................................................................................... 32
4
KSZ8841-16/32 MQL/MVL/MBL
M9999-102207-1.6