參數(shù)資料
型號(hào): KSZ8993MI
廠商: Micrel Inc
文件頁(yè)數(shù): 52/86頁(yè)
文件大?。?/td> 0K
描述: IC SWITCH 10/100 W/TXRX 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(yè)面: 1081 (CN2011-ZH PDF)
其它名稱: 576-2124
KSZ8993MI-ND
Micrel, Inc.
KSZ8993M/ML
October 2008
56
M9999-020606
Register 16 (0x10): Port 1 Control 0
Register 32 (0x20): Port 2 Control 0
Register 48 (0x30): Port 3 Control 0 (continued)
Bit
Name
R/W
Description
Default
1
Tag removal
R/W
= 1, when packets are output on the port, the
switch will remove 802.1p/q tags from packets
with 802.1p/q tags when received. The switch will
not modify packets received without tags.
= 0, disable tag removal
Pin value during
reset:
P1_TAGRM
(port 1)
P2_TAGRM
(port 2)
P3_TAGRM
(port 3)
0
Priority enable
R/W
= 1, the port output queue is split into high and
low priority queues.
= 0, single output queue on the port. There is no
priority differentiation even though packets are
classified into high or low priority.
Pin value during
reset:
P1_TXQ2 (port
1)
P2_TXQ2 (port
2)
P3_TXQ2 (port
3)
Register 17 (0x11): Port 1 Control 1
Register 33 (0x21): Port 2 Control 1
Register 49 (0x31): Port 3 Control 1
Bit
Name
R/W
Description
Default
7
Sniffer port
R/W
= 1, Port is designated as sniffer port and will
transmit packets that are monitored.
= 0, Port is a normal port
0
6
Receive sniff
R/W
= 1, All the packets received on the port will be
marked as “monitored packets” and forwarded to
the designated “sniffer port”
= 0, no receive monitoring
0
5
Transmit sniff
R/W
= 1, All the packets transmitted on the port will be
marked as “monitored packets” and forwarded to
the designated “sniffer port”
= 0, no transmit monitoring
0
4
Double tag
R/W
= 1, All packets will be tagged with port default
tag of ingress port regardless of the original
packets are tagged or not
= 0, do not double tagged on all packets
0x0
3
Reserved
R/W
0x0
2-0
Port VLAN
membership
R/W
Define the port’s “ egress port VLAN
membership. Bit 2 stands for port 3, bit 1 for port
2 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.
Pin value during
reset:
For port 1,
(PV13, PV12, 1)
For port 2,
(PV23, 1, PV21)
For port 3, (1,
PV32, PV31)
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