KSZ8993MI Micrel Inc, KSZ8993MI Datasheet - Page 68

• Manufacturer Part Number: KSZ8993MI
• Description: IC SWITCH 10/100 W/TXRX 128PQFP
• Manufacturer: Micrel Inc

Specifications of KSZ8993MI

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• 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): 85C
• Operating Temperature (min): -40C
• 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: Industrial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-2124; KSZ8993MI

VLAN Table
VLAN table is used to do VLAN table lookup. If 802.1Q VLAN mode is enabled (Register 5, Bit 7 = 1), this table
will be used to retrieve the VLAN information that is associated with the ingress packet. This information includes
FID (filter ID), VID (VLAN ID), and VLAN membership as described in the following table.
Micrel, Inc.
October 2008
Bit
50-48
47-0
2. Static Address Table Write (Write the 8
Examples:
1. Static Address Table Read (Read the 2
Then,
Write to reg. 110 with 0x10 (read static table selected)
Write to reg. 111 with 0x01 (trigger the read operation)
Read reg. 113 (57-56)
Read reg. 114 (55-48)
Read reg. 115 (47-40)
Read reg. 116 (39-32)
Read reg. 117 (31-24)
Read reg. 118 (23-16)
Read reg. 119 (15-8)
Read reg. 120 (7-0)
Write reg. 113 (57-56)
Write reg. 114 (55-48)
Write reg. 115 (47-40)
Write reg. 116 (39-32)
Write reg. 117 (31-24)
Write reg. 118 (23-16)
Write reg. 119 (15-8)
Write reg. 120 (7-0)
Write to reg. 110 with 0x00 (write static table selected)
Write to reg. 111 with 0x07 (trigger the write operation)
Name
Forwarding
ports
MAC address
Table 12. Format of Static MAC Table (8 Entries) (continued)
R/W
R/W
R/W
Description
These 3 bits control the forwarding port(s):
48 bits MAC address
001, forward to port 1
010, forward to port 2
100, forward to port 3
011, forward to port 1 and port 2
110, forward to port 2 and port 3
101, forward to port 1 and port 3
111, broadcasting (excluding the
ingress port)
th
nd
Entry)
Entry)
68
Default
000
0x0000_0000_0000
M9999-020606
KSZ8993M/ML