KS8999 Micrel Inc, KS8999 Datasheet - Page 29

• 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

EEPROM Memory Map
January 2005
KS8999
Address
0
1
General Control Register
2
2
2
2
Priority Classification Control – 802.1p tag field
3
3
3
3
3
3
3
3
Port 1 Control Register
4
4
4
4
4
4
Name
7-0
7-0
7-4
3-2
1
0
7
6
5
4
3
2
1
0
7-6
5
4
3
2
1
Description
Signature byte 1. Value = “55”
Signature byte 2. Value = “99”
Reserved – set to zero
Priority control scheme (all ports)
00 = Transmit all high priority before any low priority
01= Transmit high and low priority at a 10:1 ratio
10 = Transmit high and low priority at a 5:1 ratio
11 = Transmit high and low priority at a 2:1 ratio
Priority buffer reserve for high priority traffic
1 = Reserve 6KB of buffer space for high priority
0 = None reserved
VLAN enforcement
1 = All unicast frames adhere to VLAN configuration
0 = Unicast frames ignore VLAN configuration
1 = State “111” is high priority
0 = State “111” is low priority
1 = State “110” is high priority
0 = State “110” is low priority
1 = State “101” is high priority
0 = State “101” is low priority
1 = State “100” is high priority
0 = State “100” is low priority
1 = State “011” is high priority
0 = State “011” is low priority
1 = State “010” is high priority
0 = State “010” is low priority
1 = State “001” is high priority
0 = State “001” is low priority
1 = State “000” is high priority
0 = State “000” is low priority
Reserved – set to zero
TOS priority classification enable for port 1
1 = Enable
0 = Disable
802.1p priority classification enable for port 1
1 = Enable
0 = Disable
Port based priority classification for port 1
1 = High priority
0 = Low priority
Insert VLAN tags for port 1 if non-existent
1 = Enable
0 = Disable
Strip VLAN tags for port 1 if existent
1 = Enable
0 = Disable
29
Default
(chip) Value
0x55
0x99
0000
00
0
0
1
1
1
1
0
0
0
0
00
0
0
0
0
0
KS8999
Micrel