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DM9106 数据表(PDF) 39 Page - Davicom Semiconductor, Inc.

部件名 DM9106
功能描述  10/100 Mbps 3-port Ethernet Switch Controller with PCI Interface
PDF  92 Pages
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制造商  DAVICOM [Davicom Semiconductor, Inc.]
网页  http://www.davicom.com.tw
标志 DAVICOM - Davicom Semiconductor, Inc.

DM9106 数据表(HTML) 39 Page - Davicom Semiconductor, Inc.

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DM9106
3-port switch with PCI Interface
Preliminary datasheet
39
DM9106-DS-P01
July 9, 2009
6:5
UIPMPC
PH0,R
W
Unregistered IP Multicast Packet Control
The IP multicast packet with a destination address which does not match any of
groups announced in earlier IGMP Membership Reports, i.e. not found in the IGMP
membership table.
00: As normal multicast packets
01: Dropped.
10: Force forward to processor port.
11: Forward to all ports except incoming & uP port.
4
UD_IGR
PH0,R
W
User-defined IGMP Router Port Configuration Enable
0: Disable, the router portmap is automatic manipulation via IGMP snooping.
1: Enable, the router portmap is static defined by user.
3
SIGS2UP
PH0,R
W
IGMP Packet Forward to uP Port only when Software-IGS
2
HIGS2UP
PH0,R
W
IGMP Packet Forward to uP Port also when Hardware-IGS
0: IGMP packet doesn’t forwards to processor port when Hardware based IGMP
Snooping is enabled.
1: IGMP packet also forwards to processor port when Hardware based IGMP
Snooping is enabled.
1
SIGS_EN
PH0,R
W
Software-based IGMP Snooping Enable
0: Hardware based IGMP Snooping, without software intervention. (default)
1: Software based IGMP Snooping
0
IGS_EN
PH0,R
W
IGMP Snooping Enable
0: Disable
1: Enable
6.2.21 Per Port VLAN Tag Byte Register (CR20)
Bit
Name
Default
Description
31:28
BLK_UKP
0,RW
Ports of Unknown Packet Be Blocked
The packets with DA field not found in address table are not forward to the
assigned ports.
These bits can be written if CR17.5=1
27:24
BLK_BP
0,RW
Ports of Broadcast Packet Be Blocked
The received broadcast packets are not forward to the assigned ports.
These bits can be written if CR17.5=1
23:20
BLK_MP
0,RW
Ports of Multicast Packet Be Blocked
The received multicast packets are not forward to the assigned ports.
These bits can be written if CR17.5=1



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