KSZ8999I Micrel Inc, KSZ8999I Datasheet - Page 4
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KSZ8999I
Manufacturer Part Number
KSZ8999I
Description
IC SWITCH 9-PORT 10/100 208PQFP
Manufacturer
Micrel Inc
Specifications of KSZ8999I
Applications
*
Mounting Type
Surface Mount
Package / Case
208-MQFP, 208-PQFP
Fiber Support
Yes
Integrated Led Drivers
Yes
Phy/transceiver Interface
MII/SNI
Power Supply Type
Analog/Digital
Package Type
PQFP
Data Rate (typ)
10/100Mbps
Vlan Support
Yes
Operating Temperature (max)
85C
Operating Temperature (min)
-40C
Mounting
Surface Mount
Jtag Support
No
Operating Temperature Classification
Industrial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
576-1644 - BOARD EVALUATION FOR KSZ8999
Lead Free Status / RoHS Status
Compliant, Lead free / RoHS Compliant
Other names
576-2128
KSZ8999I
KSZ8999I
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
KSZ8999I
Manufacturer:
XILINX
Quantity:
8 100
January 2005
Micrel, Inc.
Contents
System Level Applications.............................................................................................................................................6
Pin Configuration ............................................................................................................................................................7
Pin Description ................................................................................................................................................................8
I/O Grouping ..................................................................................................................................................................14
I/O Description...............................................................................................................................................................14
Functional Overview: Physical Layer Transceiver ....................................................................................................19
Functional Overview: Switch Core ..............................................................................................................................21
MII Interface Operation .................................................................................................................................................23
SNI Interface (7-wire) Operation ..................................................................................................................................25
Programmable Features ...............................................................................................................................................25
VLAN Operation.............................................................................................................................................................26
Station MAC Address (control frames only) ..............................................................................................................27
EEPROM Operation.......................................................................................................................................................27
Optional CPU Interface .................................................................................................................................................28
100BaseTX Transmit ................................................................................................................................................19
100BaseTX Receive .................................................................................................................................................19
PLL Clock Synthesizer..............................................................................................................................................19
Scrambler/De-scrambler (100BaseTX only).............................................................................................................19
100BaseFX Operation ..............................................................................................................................................19
100BaseFX Signal Detection....................................................................................................................................19
100BaseFX Far End Fault ........................................................................................................................................19
10BaseT Transmit ....................................................................................................................................................19
10BaseT Receive .....................................................................................................................................................19
Power Management..................................................................................................................................................20
MDI/MDI-X Auto Crossover ......................................................................................................................................20
Auto-Negotiation .......................................................................................................................................................20
Address Look-Up ......................................................................................................................................................21
Learning ....................................................................................................................................................................21
Migration ...................................................................................................................................................................21
Aging.........................................................................................................................................................................21
Forwarding ................................................................................................................................................................21
Switching Engine ......................................................................................................................................................21
MAC Operation .........................................................................................................................................................22
Broadcast Storm Protection......................................................................................................................................22
Priority Schemes.......................................................................................................................................................25
Per Port Method........................................................................................................................................................25
802.1p Method..........................................................................................................................................................25
IPv4 DSCP Method...................................................................................................................................................25
Other Priority Considerations....................................................................................................................................25
Power Save Mode ..............................................................................................................................................20
Backoff Algorithm ...............................................................................................................................................22
Late Collision......................................................................................................................................................22
Illegal Frames.....................................................................................................................................................22
Flow Control .......................................................................................................................................................22
Half Duplex Back Pressure ................................................................................................................................22
Inter Packet Gap (IPG).......................................................................................................................................22
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KS8999
KS8999