KSZ8873MLL Micrel Inc, KSZ8873MLL Datasheet - Page 4
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KSZ8873MLL
Manufacturer Part Number
KSZ8873MLL
Description
IC ETHERNET SWITCH 3PORT 64-LQFP
Manufacturer
Micrel Inc
Specifications of KSZ8873MLL
Data Rate
100Mbps
Controller Type
Ethernet Switch Controller
Interface
MII
Voltage - Supply
1.8V, 2.5V, 3.3V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
64-LQFP
No. Of Ports
3
Ethernet Type
IEEE 802.3u
Supply Current
115mA
Supply Voltage Range
2.5V, 3.3V
Digital Ic Case Style
LQFP
No. Of Pins
64
Svhc
No SVHC (15-Dec-2010)
Base
RoHS Compliant
Number Of Primary Switch Ports
3
Internal Memory Buffer Size
32
Fiber Support
No
Integrated Led Drivers
Yes
Phy/transceiver Interface
MII
Power Supply Type
Analog/Digital
Data Rate (typ)
10/100Mbps
Vlan Support
Yes
Operating Temperature (max)
70C
Operating Temperature (min)
0C
Mounting
Surface Mount
Jtag Support
No
Operating Supply Voltage (max)
1.89/3.465V
Operating Temperature Classification
Commercial
Interface Type
MII, RMII
Operating Temperature Range
0°C To +70°C
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Supply
-
Lead Free Status / RoHS Status
Compliant, Lead free / RoHS Compliant
Other names
576-3459
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
KSZ8873MLL
Manufacturer:
Micrel Inc
Quantity:
1 934
Company:
Part Number:
KSZ8873MLL
Manufacturer:
ADI
Quantity:
27
Company:
Part Number:
KSZ8873MLL AM
Manufacturer:
Micrel
Quantity:
1 638
Company:
Part Number:
KSZ8873MLLJ
Manufacturer:
Micrel
Quantity:
323
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 2009
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
Address Lookup................................................................................................................................................................ 24
Learning ............................................................................................................................................................................ 24
Migration ........................................................................................................................................................................... 24
Aging................................................................................................................................................................................. 24
Forwarding ........................................................................................................................................................................ 24
Switching Engine .............................................................................................................................................................. 27
MAC Operation ................................................................................................................................................................. 27
MII Interface Operation ..................................................................................................................................................... 28
Turbo MII Interface Operation........................................................................................................................................... 29
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
®
Cable Diagnostics.............................................................................................................................................. 22
4
KSZ8873MLL/FLL/RLL
M9999-092309-1.2