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參數(shù)資料
| 型號： | KSZ8995XA |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 28/51頁 |
| 文件大?。?/td> | 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： | 托盤 |
| 產(chǎn)品目錄頁面： | 1081 (CN2011-ZH PDF) |
| 配用： | 576-1642-ND - BOARD EVALUATION FOR KSZ8995XA |
| 其它名稱： | 576-1042 |
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KS8995XA
Micrel, Inc.
M9999-051305
34
May 2005
Address
Name
Description
Mode
Default
1
Tag removal
1 = when packets are output on the port, the switch
R/W
0
will remove 802.1q tags from packets with 802.1q tags
when received. The switch will not modify packets
received without tags.
0 = disable tag removal.
0
Priority enable
1 = the port output queue is split into high and low
R/W
0
priority queues.
0 = single output queue on the port. There is no priority
differentiation even though packets are classified into
high or low priority.
Register 17 (0x11): Port 1 Control 1
Register 33 (0x21): Port 2 Control 1
Register 49 (0x31): Port 3 Control 1
Register 65 (0x41): Port 4 Control 1
Register 81 (0x51): Port 5 Control 1
Address
Name
Description
Mode
Default
7
Sniffer port
1 = port is designated as sniffer port and will transmit
R/W
0
packets that are monitored.
0 = port is a normal port.
6
Receive sniff
1 = all the packets received on the port will be marked
R/W
0
as “monitored packets” and forwarded to the designated
“sniffer port.”
0 = no receive monitoring.
5
Transmit sniff
1 = all the packets transmitted on the port will be
R/W
0
marked as “monitored packets” and forwarded to the
designated “sniffer port.”
0 = no transmit monitoring.
4-0
Port VLAN membership
Define the port’s Port VLAN membership. Bit 4 stands
R/W
0x1f
for port 5, bit 3 for port 4...bit 0 for port 1. The port can
only communicate within the membership. A ‘1’
includes a port in the membership, a ‘0’ excludes a port
from membership.
Register 18 (0x12): Port 1 Control 2
Register 34 (0x22): Port 2 Control 2
Register 50 (0x32): Port 3 Control 2
Register 66 (0x42): Port 4 Control 2
Register 82 (0x52): Port 5 Control 2
Address
Name
Description
Mode
Default
7
Reserved
0x0
6
Reserved
R/W
0
5
Discard non-PVID
1 = the switch will discard packets whose VID does
R/W
0
packets
not match ingress port default VID.
0 = no packets will be discarded.
4
Force flow control
1 = will always enable Rx and Tx flow control on the
R/W
0
port, regardless of AN result.
For port 4 only,
0 = the flow control is enabled based on AN result.
there is a special
configuration pin to
Note: Setting a port for both half-duplex and forced
set the default, Pin
flow control is an illegal configuration. For half-duplex
PCOL strap option.
enable back pressure.
Pull-down (0): No
force flow control.
Pull-up (1): Force
flow control.
Note: PCOL has
internal pull-down.
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