KS8993M A5 Micrel Inc, KS8993M A5 Datasheet - Page 29

• Manufacturer Part Number: KS8993M A5
• Manufacturer: Micrel Inc

Specifications of KS8993M A5

• Number Of Primary Switch Ports: 3
• Internal Memory Buffer Size: 32
• Operating Supply Voltage (typ): 1.8/2.5/3.3V
• 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): 70C
• Operating Temperature (min): 0C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Supply Voltage (max): 1.89/3.465V
• Power Dissipation: 800mW
• Operating Temperature Classification: Commercial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Not Compliant

The KSZ8993M will not forward the following packets:
1. Error packets. These include framing errors, FCS errors, alignment errors, and illegal size packet errors.
2. 802.3x pause frames. The KSZ8993M will intercept these packets and perform the appropriate actions.
3. "Local" packets. Based on destination address (DA) lookup. If the destination port from the lookup table
Micrel, Inc.
October 2008
matches the port where the packet was from, the packet is defined as "local."
Figure 5. Destination Address Resolution Flow Chart, Stage 2
Spanning Tree
IGMP Process
Membership
Port Mirror
Port VLAN
Process
Process
Check
PTF1
PTF2
- Check receiving port's receive enable bit
- Check destination port's transmit enable bit
- Check whether packets are special (BPDU
- Applied to MAC #1 and MAC #2
- MAC #3 is reserved for
- IGMP will be forwarded to port 3
- RX Mirror
- TX Mirror
- RX or TX Mirror
- RX and TX Mirror
or specified)
microprocessor
29
M9999-020606
KSZ8993M/ML