KSZ8893FQL-FX Micrel Inc, KSZ8893FQL-FX Datasheet - Page 100

• Manufacturer Part Number: KSZ8893FQL-FX
• Description: 2+1 Port 10/100 Switch W/Tranceivers & Frame Buffers, ( )
• Manufacturer: Micrel Inc

Specifications of KSZ8893FQL-FX

• Controller Type: Ethernet Switch Controller
• Interface: MII, RMII, SNI
• Voltage - Supply: 3.1 V ~ 3.5 V
• Operating Temperature: -40°C ~ 85°C
• 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): 3.3V
• Fiber Support: Yes
• Integrated Led Drivers: Yes
• Power Supply Type: Analog/Digital
• Package Type: PQFP
• Vlan Support: Yes
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Temperature Classification: Commercial
• Data Rate: 1000Mbps
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 576-1603 - EVAL KIT EXPERIMENTAL KSZ8893MQL
• Current - Supply: -
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 576-3273

Micrel, Inc.
Dynamic MAC Address Table
The KSZ8893FQL maintains the dynamic MAC address table. Read access is allowed only.
Example:
October 2007
Dynamic MAC Address Table Read (read the 1
70-67
65-56
55-54
53-52
51-48
47-0
Bit
71
66
Then,
Name
Data Not Ready
Reserved
MAC Empty
No of Valid Entries
Time Stamp
Source Port
FID
MAC Address
Write to reg. 121 (0x79) with 0x18
Write to reg. 122 (0x7A) with 0x00
Read reg. 123 (0x7B), bit [7]
Read reg. 124 (0x7C), dynamic table bits [63:56]
Read reg. 125 (0x7D), dynamic table bits [55:48]
Read reg. 126 (0x7E), dynamic table bits [47:40]
Read reg. 127 (0x7F), dynamic table bits [39:32]
Read reg. 128 (0x80), dynamic table bits [31:24]
Read reg. 129 (0x81), dynamic table bits [23:16]
Read reg. 130 (0x82), dynamic table bits [15:8]
Read reg. 131 (0x83), dynamic table bits [7:0]
Table 23. Format of Dynamic MAC Address Table (1K Entries)
R/W
RO
RO
RO
RO
RO
RO
RO
RO
dynamic table bits [66:64]
Description
1 = Entry is not ready, continue retrying until this bit is
set to 0
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
0x3ff means 1K entries
0x001 means 2 entries
0x000 and bit 66 = 0 means 1 entry
0x000 and bit 66 = 1 means 0 entry
2 bits counter for internal aging
The source port where FID+MAC is learned
00 : port 1
01 : port 2
10 : port 3
Filter ID
48-bit MAC Address
st
entry and retrieve the MAC table size)
100
// Read dynamic table selected
// Trigger the read operation
// if bit 7 = 1, restart (reread) from this register
0x0000_0000_0000
00_0000_0000
M9999-101607-1.3
Default
0x0
KSZ8893FQL
00
1