KSZ8993M A5 Micrel Inc, KSZ8993M A5 Datasheet - Page 29
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KSZ8993M A5
Manufacturer Part Number
KSZ8993M A5
Description
Manufacturer
Micrel Inc
Datasheet
1.KSZ8993M_A5.pdf
(86 pages)
Specifications of KSZ8993M 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
Operating Supply Voltage (min)
1.71/3.135V
Power Dissipation
800mW
Supply Current
0.1/0.19A
Operating Temperature Classification
Commercial
Data Rate
100Mbps
Lead Free Status / RoHS Status
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