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DM9006 Datasheet(PDF) 32 Page - Davicom Semiconductor, Inc.

Part No. DM9006
Description  10/100 Mbps 2-port Ethernet Switch Controller with General Processor Interface
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Maker  DAVICOM [Davicom Semiconductor, Inc.]
Homepage  http://www.davicom.com.tw
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DM9006 Datasheet(HTML) 32 Page - Davicom Semiconductor, Inc.

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DM9006
2-port Switch with Processor Interface
32
Preliminary datasheet
DM9006-13-DS-P01
September 1, 2009
4:3
SCP_OTC
PHE0,RW Snooping Control Packet Output Tag Control
00: Unmodified
01: Always Tagged
10: Always Untagged
11: Reserved
2:0
RPP
PHE0,RW Router Port Portmap
If User-defined IGMP Router Port Configuration is enabled, this 3-bit register is
used to define static router portmap, otherwise, this register is automatic
manipulation by IGMP snooping and read only.
6.48 Snooping Control Register 3 (7AH)
Bit
Name
Default
Description
7:0
QI
PHE0,RW Query Interval
Define Query Interval when Hardware-IGS is enabled
6.49 Snooping Control Register 4 (7BH)
Bit
Name
Default
Description
7:2
RESERVED
0,RO
Reserved
1:0
RV
PHE10,RW
Robustness Variable
Define Robustness Variable when Hardware-IGS is enabled.
00 = Reserved
01 = 1 times
10 = 2 times (Default)
11 = 3 times
6.50 Snooping Control Register 5 (7CH)
Bit
Name
Default
Description
7:2
RESERVED
0,RO
Reserved
1
MLD2UP
PHE0,RW MLD Packet Forward to uP Port only.
0
MLDS_EN
PHE0,RW MLD Snooping Enable
0: Disable
1: Enable
6.51 MIB Counter Port Index Register (80H)
Bit
Name
Default
Description
7
READY
P0,RO
MIB counter data is ready
6
MIB_DIS
PHS0,RW When write:
0: MIB counter is enabled
1: MIB counter is disabled
When read:
0: MIB counter is disabled
1: MIB counter is enabled
5
RESERVED
0,RO
Reserved
4:0
INDEX
PHS0,RW MIB counter index 0~9, each counter is 32-bit in Register 81h~84h.
Write the MIB counter index to this register before read them.


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