KSZ8873MLL Micrel Inc, KSZ8873MLL Datasheet - Page 84
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KSZ8873MLL
Manufacturer Part Number
KSZ8873MLL
Description
IC ETHERNET SWITCH 3PORT 64-LQFP
Manufacturer
Micrel Inc
Specifications of KSZ8873MLL
Data Rate
100Mbps
Controller Type
Ethernet Switch Controller
Interface
MII
Voltage - Supply
1.8V, 2.5V, 3.3V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
64-LQFP
No. Of Ports
3
Ethernet Type
IEEE 802.3u
Supply Current
115mA
Supply Voltage Range
2.5V, 3.3V
Digital Ic Case Style
LQFP
No. Of Pins
64
Svhc
No SVHC (15-Dec-2010)
Base
RoHS Compliant
Number Of Primary Switch Ports
3
Internal Memory Buffer Size
32
Fiber Support
No
Integrated Led Drivers
Yes
Phy/transceiver Interface
MII
Power Supply Type
Analog/Digital
Data Rate (typ)
10/100Mbps
Vlan Support
Yes
Operating Temperature (max)
70C
Operating Temperature (min)
0C
Mounting
Surface Mount
Jtag Support
No
Operating Supply Voltage (max)
1.89/3.465V
Operating Temperature Classification
Commercial
Interface Type
MII, RMII
Operating Temperature Range
0°C To +70°C
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Supply
-
Lead Free Status / RoHS Status
Compliant, Lead free / RoHS Compliant
Other names
576-3459
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
KSZ8873MLL
Manufacturer:
Micrel Inc
Quantity:
1 934
Company:
Part Number:
KSZ8873MLL
Manufacturer:
ADI
Quantity:
27
Company:
Part Number:
KSZ8873MLL AM
Manufacturer:
Micrel
Quantity:
1 638
Company:
Part Number:
KSZ8873MLLJ
Manufacturer:
Micrel
Quantity:
323
Micrel, Inc.
Dynamic MAC Address Table
The KSZ8873 maintains the dynamic MAC address table. Read access is allowed only.
Example:
September 2009
Bit
71
70-67
66
65-56
55-54
53-52
51-48
47-0
Dynamic MAC Address Table Read (read the 1
Then,
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]
Name
Data Not
Ready
Reserved
MAC Empty
No of Valid
Entries
Time Stamp
Source Port
FID
MAC Address
Table 17. 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
2 bits counter for internal aging
The source port where FID+MAC is learned
Filter ID
48-bit MAC Address
0x3ff means 1K 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)
84
// Read dynamic table selected
// Trigger the read operation
// if bit 7 = 1, restart (reread) from this register
Default
1
00_0000_0000
00
0x0
0x0000_0000_0000
KSZ8873MLL/FLL/RLL
M9999-092309-1.2