KS8999 Micrel Inc, KS8999 Datasheet - Page 4

• Manufacturer Part Number: KS8999
• Description: IC SWITCH 10/100 9PORT 208PQFP
• Manufacturer: Micrel Inc

Specifications of KS8999

• 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): 70C
• Operating Temperature (min): 0C
• Mounting: Surface Mount
• Jtag Support: No
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: 576-1023 - BOARD EVAL EXPERIMENT FOR KS8999
• Lead Free Status / RoHS Status: Not Compliant, Contains lead / RoHS non-compliant

KS8999
Table of Contents
KS8999
System Level Applications ......................................................................................................................................... 6
Pin Description ............................................................................................................................................................ 7
I/O Grouping
I/O Descriptions ......................................................................................................................................................... 13
Pin Configuration ...................................................................................................................................................... 19
Functional Overview: Physical Layer Transceiver ................................................................................................ 20
Functional Overview: Switch Core .......................................................................................................................... 22
MII Interface Operation .............................................................................................................................................. 24
SNI Interface (7-wire) Operation ............................................................................................................................... 26
Prorammable Features .............................................................................................................................................. 26
VLAN Operation ......................................................................................................................................................... 27
Station MAC Address ................................................................................................................................................ 27
EEPROM Operation ................................................................................................................................................... 28
Optional CPU Interface ............................................................................................................................................. 28
100BaseTX Transmit ........................................................................................................................................... 20
100BaseTX Receive ............................................................................................................................................ 20
PLL Clock Synthesizer ......................................................................................................................................... 20
Scrambler/De-scrambler (100BaseTX only) ........................................................................................................ 20
100BaseFX Operation ......................................................................................................................................... 20
100BaseFX Signal Detection ............................................................................................................................... 20
100BaseFX Far End Fault ................................................................................................................................... 20
10BaseT Transmit ............................................................................................................................................... 20
10BaseT Receive ................................................................................................................................................ 20
Power Management ............................................................................................................................................. 21
MDI/MDI-X Auto Crossover ................................................................................................................................. 21
Auto-Negotiation .................................................................................................................................................. 21
Address Look-Up ................................................................................................................................................. 22
Learning
Migration
Aging
Forwarding ........................................................................................................................................................... 22
Switching Engine ................................................................................................................................................. 22
MAC Operation .................................................................................................................................................... 22
Broadcast Storm Protection ................................................................................................................................. 23
Priority Schemes .................................................................................................................................................. 26
Per Port Method ................................................................................................................................................... 26
802.1p Method ..................................................................................................................................................... 26
IPv4 DSCP Method .............................................................................................................................................. 26
Other Priority Considerations ............................................................................................................................... 26
Power Save Mode ........................................................................................................................................ 21
Inter Packet Gap (IPG) ................................................................................................................................ 22
Backoff Algorithm ......................................................................................................................................... 23
Late Collision ............................................................................................................................................... 23
Illegal Frames .............................................................................................................................................. 23
Flow Control ................................................................................................................................................. 23
Half-Duplex Back Pressure .......................................................................................................................... 23
........................................................................................................................................................... 13
........................................................................................................................................................... 22
........................................................................................................................................................... 22
........................................................................................................................................................... 22
4
January 2005
Micrel