KSZ8993I Micrel Inc, KSZ8993I Datasheet - Page 33

• Manufacturer Part Number: KSZ8993I
• Description: IC SWITCH 10/100 3PORT 128PQFP
• Manufacturer: Micrel Inc

Specifications of KSZ8993I

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• Number Of Primary Switch Ports: 3
• Internal Memory Buffer Size: 64
• Operating Supply Voltage (typ): 2.5/3.3V
• 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
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Supply Voltage (max): 2.75/3.6V
• Operating Supply Voltage (min): 2.35V
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-1036

802.1q VLAN and 802.1p Priority Frame
The 3-bit of 802.1p priority is embedded into the 802.1q VLAN frame as described below:
May 2005
KS8993
(bit)
Figure 12. 802.1p and 802.1q Frame Format
802.1P
Priority
33
802.1Q VLAN
KS8993
Micrel