KSZ8841-16 Micrel Semiconductor, KSZ8841-16 Datasheet - Page 4

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

Contents
General Description............................................................................................................................................1
Functional Diagram ............................................................................................................................................1
Features...............................................................................................................................................................2
Additional Features ............................................................................................................................................2
Applications ........................................................................................................................................................2
Markets ................................................................................................................................................................2
Ordering Information..........................................................................................................................................3
Contacts ..............................................................................................................................................................3
Revision History .................................................................................................................................................3
Contents ..............................................................................................................................................................4
List of Figures .....................................................................................................................................................7
List of Tables.......................................................................................................................................................8
Pin Configuration for KSZ8841-16 Chip (8/16-Bit) ...........................................................................................9
Pin Description for KSZ8841-16 Chip (8/16-Bit).............................................................................................10
Pin Configuration for KSZ8841-32 Chip (32-Bit) ............................................................................................15
Pin Description for KSZ8841-32 Chip (32-Bit)................................................................................................16
Functional Description.....................................................................................................................................21
Functional Overview.........................................................................................................................................21
November 2005
Micrel Confidential
Network Features ......................................................................................................................................................... 2
Power Modes, Power Supplies, and Packaging ........................................................................................................ 2
Power Management.................................................................................................................................................... 21
Power down .................................................................................................................................................................................... 21
Wake-on-LAN ................................................................................................................................................................................. 21
Link Change.................................................................................................................................................................................... 21
Wake-up Packet.............................................................................................................................................................................. 21
Magic Packet .................................................................................................................................................................................. 22
Physical Layer Transceiver (PHY) ............................................................................................................................ 22
100BASE-TX Transmit.................................................................................................................................................................... 22
100BASE-TX Receive..................................................................................................................................................................... 22
PLL Clock Synthesizer (Recovery) ................................................................................................................................................. 23
Scrambler/De-scrambler (100BASE-TX Only) ................................................................................................................................ 23
10BASE-T Transmit ........................................................................................................................................................................ 23
10BASE-T Receive ......................................................................................................................................................................... 23
MDI/MDI-X Auto Crossover............................................................................................................................................................. 23
Auto Negotiation ............................................................................................................................................................................. 25
LinkMD Cable Diagnostics .............................................................................................................................................................. 26
Media Access Control (MAC) Operation .................................................................................................................. 26
Inter Packet Gap (IPG) ................................................................................................................................................................... 26
Back-Off Algorithm.......................................................................................................................................................................... 26
Late Collision .................................................................................................................................................................................. 26
Flow Control.................................................................................................................................................................................... 27
Half-Duplex Backpressure .............................................................................................................................................................. 27
Clock Generator.............................................................................................................................................................................. 27
Bus Interface Unit (BIU) ............................................................................................................................................. 27
Supported Transfers ....................................................................................................................................................................... 27
Physical Data Bus Size ................................................................................................................................................................... 28
Straight Cable......................................................................................................................................................................................................24
Crossover Cable .................................................................................................................................................................................................24
Access .................................................................................................................................................................................................................26
Usage ...................................................................................................................................................................................................................26
4
KSZ8841-16/32 MQL/MVL
Rev 1.3