參數(shù)資料
型號: KSZ8895MQ
廠商: Micrel Inc
文件頁數(shù): 78/119頁
文件大?。?/td> 0K
描述: IC ETHERNET SW 5PORT 128-PQFP
標準包裝: 66
控制器類型: 以太網(wǎng)開關(guān)控制器
接口: MII
電源電壓: 1.8V,2.5V,3.3V
工作溫度: 0°C ~ 70°C
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
配用: 576-3871-ND - BOARD EVALUATION FOR KSZ8895MQ
其它名稱: 576-3753
Micrel, Inc.
KSZ8895MQ/RQ/FMQ
Global Registers (Continued)
Address
Name
Description
Mode
Default
4
Switch SW5-MII/RMII
Speed
1, the switch SW5-MII/RMII is in 10Mbps mode.
0, the switch SW5-MII/RMII is in 100Mbps mode.
R/W
0
Pin SMRXD1
strap option.
PD(0): (default)
Enable 100Mbps.
PU(1): Enable
10Mbps.
Note: SMRXD1
has internal pull-
down.
3
Null VID Replacement
1, will replace null VID with port VID (12 bits).
0, no replacement for null VID.
R/W
0
2
0
Broadcast Storm
Protection Rate Bit[10:8]
This along with the next register determines how many
“64 byte blocks” of packet data allowed on an input port
in a preset period. The period is 50ms for 100BT or
500ms for 10BT. The default is 1%.
R/W
000
Register 7 (0x07): Global Control 5
7
0
Broadcast Storm
Protection Rate Bit[7:0]
This along with the previous register determines how
many “64-byte blocks” of packet data are allowed on an
input port in a preset period. The period is 50ms for
100BT or 500ms for 10BT. The default is 1%.
R/W
0x4A
(1)
Register 8 (0x08): Global Control 6
7
0
Factory Testing
N/A Do not change.
RO
0x00
Register 9 (0x09): Global Control 7
7
0
Factory Testing
N/A Do not change.
RO
0x4C
Note:
148,800 frames/sec × 50ms/interval × 1% = 74 frames/interval (approx.) = 0x4A.
March 12, 2014
61
Revision 1.7
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