KS8993F A5 Micrel Inc, KS8993F A5 Datasheet - Page 81

• Manufacturer Part Number: KS8993F A5
• Manufacturer: Micrel Inc

Specifications of KS8993F 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 Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Not Compliant

KS8993F
4.7
This table is read only. The table contents are maintained by KS8993F only.
Example:
Dynamic MAC Address Table Read (read the 1
4.8
The KS8993F provides 34 MIB counters per port. These counters are used to monitor the port activity for network
management. The MIB counters have two format groups: “Per Port” and “All Port Dropped Packet”.
August 26, 2004
Dynamic MAC Address Table
MIB (Management Information Base) Counters
Bit
71
70-67
66
65-56
55-54
53-52
51-48
47-0
Write to reg. 110 with 0x18 (read dynamic table selected)
Write to reg. 111 with 0x00 (trigger the read operation)
Then
Read reg. 112 (71-64) // if bit 71 = 1, restart (reread) from this register
Read reg. 113 (63-56)
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)
Name
Data not
ready
Reserved
MAC empty
No of valid
entries
Time Stamp
Source port
FID
MAC Address
Table 12: Format of Dynamic MAC Table (1K entries)
R/W
RO
RO
RO
RO
RO
RO
RO
RO
Description
= 1, entry is not ready, retry until this bit is
= 0, entry is ready
Reserved
= 1, there is no valid entry in the table
= 0, there are valid entries in the table
Indicates how many valid entries in the table
2 bits counter for internal aging
The source port where FID+MAC is learned
Filter ID
48 bits MAC address
set to 0
0x3ff means 1 K entries
0x001 means 2 entries
0x000 and bit 66 = 0 means 1 entry
0x000 and bit 66 = 1 means 0 entry
00, port 1
01, port 2
10, port 3
st
entry and retrieve the MAC Table size)
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Default
1
00_0000_0000
00
0x0
0x0000_0000_000
0
Revision 1.0
Micrel