參數(shù)資料
型號(hào): KSZ8995MAI
廠商: Micrel Inc
文件頁數(shù): 66/89頁
文件大?。?/td> 0K
描述: IC SWITCH 5-PORT 10/100 128PQFP
標(biāo)準(zhǔn)包裝: 66
系列: *
類型: *
應(yīng)用: *
安裝類型: 表面貼裝
封裝/外殼: 128-BFQFP
供應(yīng)商設(shè)備封裝: 128-PQFP(14x20)
包裝: 托盤
產(chǎn)品目錄頁面: 1081 (CN2011-ZH PDF)
配用: 576-1607-ND - BOARD EVAL EXPERIMENT KSZ8995MA
其它名稱: 576-2126
KSZ8995MAI-ND
Micrel, Inc.
KS8995MA/FQ
October 2011
69
M9999-102611-3.0
Dynamic MAC Address
The table below is read only; the contents are managed by the KS8995MA/FQ only.
Address
Name
Description
Mode
Default
Format of Dynamic MAC Address Table (1K entries)
68
MAC Empty
1, there is no valid entry in the table.
0, there are valid entries in the table.
RO
1
67
58
No of Valid Entries
Indicates how many valid entries in the table.
0x3ff means 1K entries
0x1 means 2 entries
0x0 and bit 68 = 0: means 1 entry
0x0 and bit 68 = 1: means 0 entry
RO
0
57
56
Time Stamp
2-bit counters for internal aging
RO
55
Data Ready
1, The entry is not ready, retry until this bit is set to 0.
0, The entry is ready.
RO
54
52
Source Port
The source port where FID+MAC is learned.
000 port 1
001 port 2
010 port 3
011 port 4
100 port 5
RO
0x0
51
48
FID
Filter ID.
RO
0x0
47
0
MAC Address
48-bit MAC address.
RO
0x0
Dynamic MAC Address Table Read Example
(1) Dynamic MAC Address Table Read (read the 1st entry), and retrieve the MAC table size
Write to Register 110 with 0x18 (read dynamic table selected)
Write to Register 111 with 0x0 (trigger the read operation)
Then,
Read Register 112 (68-64)
Read Register 113 (63-56); // the above two registers show # of entries
Read Register 114 (55-48) // if bit 55 is 1, restart (reread) from this register
Read Register 115 (47-40)
Read Register 116 (39-32)
Read Register 117 (31-24)
Read Register 118 (23-16)
Read Register 119 (15-8)
Read Register 120 (7-0)
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