KSZ8864RMNI MICREL [Micrel Semiconductor], KSZ8864RMNI Datasheet - Page 4

• Manufacturer Part Number: KSZ8864RMNI
• Description: Integrated 4-Port 10/100 Managed Switch with Two MACs MII or RMII Interfaces
• Manufacturer: MICREL [Micrel Semiconductor]

September 2011
Contents
Pin Configuration ..........................................................................................................................................................13
Pin Description ..............................................................................................................................................................14
Pin for Strap-in Options................................................................................................................................................19
Introduction ...................................................................................................................................................................22
Functional Overview: Physical Layer Transceiver ....................................................................................................22
Functional Overview: Power Management.................................................................................................................27
Functional Overview: Switch Core ..............................................................................................................................28
Advanced Functionality................................................................................................................................................36
100BASE-TX Transmit ...............................................................................................................................................22
100BASE-TX Receive ................................................................................................................................................22
PLL Clock Synthesizer................................................................................................................................................22
Scrambler/De-Scrambler (100BASE-TX only)............................................................................................................23
10BASE-T Transmit ....................................................................................................................................................23
10BASE-T Receive .....................................................................................................................................................23
MDI/MDI-X Auto Crossover ........................................................................................................................................23
Auto-Negotiation .........................................................................................................................................................25
On-Chip Termination Resistors ..................................................................................................................................27
Normal Operation Mode .............................................................................................................................................27
Energy Detect Mode ...................................................................................................................................................27
Soft Power-Down Mode..............................................................................................................................................28
Power Saving Mode....................................................................................................................................................28
Port-Based Power-Down Mode ..................................................................................................................................28
Address Look-Up ........................................................................................................................................................28
Learning ......................................................................................................................................................................28
Migration .....................................................................................................................................................................28
Aging...........................................................................................................................................................................29
Forwarding ..................................................................................................................................................................29
Switching Engine ........................................................................................................................................................29
Media Access Controller (MAC) Operation ................................................................................................................29
Inter-Packet Gap (IPG) ...............................................................................................................................................29
Backoff Algorithm........................................................................................................................................................29
Late Collision ..............................................................................................................................................................29
Illegal Frames .............................................................................................................................................................29
Flow Control................................................................................................................................................................29
Half-Duplex Back Pressure.........................................................................................................................................32
Broadcast Storm Protection........................................................................................................................................32
MII Interface Operation ...............................................................................................................................................32
Switch MAC3/MAC4 SW3/SW4-MII Interface ............................................................................................................33
Switch MAC3/MAC4 SW3/SW4-RMII Interface..........................................................................................................34
QoS Priority Support...................................................................................................................................................36
Straight Cable .........................................................................................................................................................24
Crossover Cable .....................................................................................................................................................25
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