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參數(shù)資料
型號: KS8995MAI
廠商: Micrel Inc
文件頁數(shù): 38/73頁
文件大小: 0K
描述: IC SWITCH 10/100 5PORT 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: 散裝
配用: 576-1017-ND - BOARD EVAL EXPERIMENT KS8995M
其它名稱: 576-1019
May 2005
43
M9999-051305
KS8995MA
Micrel, Inc.
Address
Name
Description
Mode
Default(1)
5
Switch MII Flow
1, enable full-duplex flow control on switch MII interface.
R/W
Pin SMRXD3 strap
Control Enable
0, disable full-duplex flow control on switch MII interface.
option. Pull-down
(0): disable flow
control. Pull-up(1):
enable flow control.
Note: SMRXD3
has internal pull-
down.
4
Switch MII 10BT
1, the switch interface is in 10Mbps mode.
R/W
Pin SMRXD1 strap
0, the switch interface is in 100Mbps mode.
option. Pull-down
(0): Enable
100Mbps. Pull-up
(1): Enable
10Mpbs.
Note: SMRXD1
has internal pull-
down.
3
Null VID Replacement
1, will replace null VID with port VID (12 bits).
R/W
0
0, no replacement for null VID.
2-0
Broadcast Storm
This along with the next register determines how many
R/W
000
Protection Rate Bit [10:8]
“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%.
Register 7 (0x07): Global Control 5
7-0
Broadcast Storm
This along with the previous register determines how
R/W
0x4A(1)
Protection Rate Bit [7:0]
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%.
Note:
1.
148,800 frames/sec × 50ms/interval × 1% = 74 frames/interval (approximately) = 0x4A.
Register 8 (0x08): Global Control 6
7-0
Factory Testing
Reserved.
R/W
0x24
Register 9 (0x09): Global Control 7
7-0
Factory Testing
Reserved.
R/W
0x28
Register 10 (0x0A): Global Control 8
7-0
Factory Testing
Reserved.
R/W
0x24
Register 11 (0x0B): Global Control 9
7-4
Reserved
N/A
0
3
PHY Power
0 = disable PHY power save mode.
R/W
0
Save
1 = enable PHY power save mode.
2
Factory Setting
Reserved.
R/W
0
1
LED Mode
0 = led mode 0.
R/W
Pin SMRXD0 strap
1 = led mode 1.
option. Pull-down(0):
Enabled led mode 0.
Pull-up(1):
Enabled led mode 1.
Note: SMRXD0 has
internal pull-down 0.
Mode 0
Mode 1
LEDX_2
Lnk/Act
100Lnk/Act
LEDX_1
Fulld/Col
10Lnk/Act
LEDX_0
Speed
Fulld
0
Special TPID Mode
Used for direct mode forwarding from port 5.
R/W
0
See “Spanning Tree” functional description.
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