KSZ8873MLL AM Micrel Inc, KSZ8873MLL AM Datasheet - Page 4

• Manufacturer Part Number: KSZ8873MLL AM
• Description: IC ETHERNET SWITCH 3PORT 64-LQFP
• Manufacturer: Micrel Inc

Specifications of KSZ8873MLL AM

• Controller Type: Ethernet Switch Controller
• Interface: MII
• Voltage - Supply: 1.8V, 2.5V, 3.3V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Lead Free Status / RoHS Status: Not Compliant, Lead free / RoHS Compliant
• Other names: 576-3633; KSZ8873MLL AM; KSZ8873MLLAM

Micrel, Inc.
Contents
Pin Description and I/O Assignment ................................................................................................................................. 11
Pin Configuration ................................................................................................................................................................ 16
Functional Description ....................................................................................................................................................... 17
Functional Overview: Physical Layer Transceiver .......................................................................................................... 17
Functional Overview: Power Management....................................................................................................................... 22
Functional Overview: MAC and Switch ............................................................................................................................ 24
Advanced Switch Functions .............................................................................................................................................. 32
September 2010
100BASE-TX Transmit ..................................................................................................................................................... 17
100BASE-TX Receive ...................................................................................................................................................... 17
PLL Clock Synthesizer...................................................................................................................................................... 17
Scrambler/De-scrambler (100BASE-TX Only) ................................................................................................................. 17
100BASE-FX Operation.................................................................................................................................................... 17
100BASE-FX Signal Detection ......................................................................................................................................... 18
100BASE-FX Far-End Fault ............................................................................................................................................. 18
10BASE-T Transmit.......................................................................................................................................................... 18
10BASE-T Receive........................................................................................................................................................... 18
MDI/MDI-X Auto Crossover .............................................................................................................................................. 18
Auto-Negotiation ............................................................................................................................................................... 21
LinkMD
Normal Operation Mode ................................................................................................................................................... 23
Energy Detect Mode ......................................................................................................................................................... 23
Soft Power Down Mode .................................................................................................................................................... 23
Power Saving Mode.......................................................................................................................................................... 23
Port based Power Down Mode ......................................................................................................................................... 23
Hardware Power Down..................................................................................................................................................... 24
Address Lookup................................................................................................................................................................ 24
Learning ............................................................................................................................................................................ 24
Migration ........................................................................................................................................................................... 24
Aging................................................................................................................................................................................. 24
Forwarding ........................................................................................................................................................................ 24
Switching Engine .............................................................................................................................................................. 27
MAC Operation ................................................................................................................................................................. 27
MII Interface Operation ..................................................................................................................................................... 28
RMII Interface Operation .................................................................................................................................................. 29
MII Management (MIIM) Interface .................................................................................................................................... 31
Serial Management Interface (SMI).................................................................................................................................. 31
Bypass Mode .................................................................................................................................................................... 32
IEEE 802.1Q VLAN Support............................................................................................................................................. 32
QoS Priority Support......................................................................................................................................................... 33
Straight Cable ............................................................................................................................................................ 19
Crossover Cable ........................................................................................................................................................ 20
Access ....................................................................................................................................................................... 22
Usage......................................................................................................................................................................... 22
Inter Packet Gap (IPG) .............................................................................................................................................. 27
Back-Off Algorithm..................................................................................................................................................... 27
Late Collision ............................................................................................................................................................. 27
Illegal Frames ............................................................................................................................................................ 27
Full Duplex Flow Control............................................................................................................................................ 27
Half-Duplex Backpressure ......................................................................................................................................... 27
Broadcast Storm Protection....................................................................................................................................... 28
Port Individual MAC address and Source Port Filtering ............................................................................................ 28
Port-Based Priority..................................................................................................................................................... 33
802.1p-Based Priority ................................................................................................................................................ 33
DiffServ-Based Priority .............................................................................................................................................. 34
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Cable Diagnostics.............................................................................................................................................. 22
4
KSZ8873MLL/FLL/RLL
M9999-092309-1.2