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DM9006 Datasheet(PDF) 48 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) 48 Page - Davicom Semiconductor, Inc.

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DM9006
2-port Switch with Processor Interface
48
Preliminary datasheet
DM9006-13-DS-P01
September 1, 2009
1 = Remote fault indicated by link partner
0 = No remote fault indicated by link partner
12-11
Reserved
0, RO
Reserved
Read as 0, ignore on write
10
FCS
0, RO
Flow Control Support
1 = Controller chip supports flow control ability by link partner
0 = Controller chip doesn’t support flow control ability by link
partner
9
T4
0, RO
100BASE-T4 Support
1 = 100BASE-T4 is supported by the link partner
0 = 100BASE-T4 is not supported by the link partner
8
TX_FDX
0, RO
100BASE-TX Full Duplex Support
1 = 100BASE-TX full duplex is supported by the link partner
0 = 100BASE-TX full duplex is not supported by the link partner
7
TX_HDX
0, RO
100BASE-TX Support
1 = 100BASE-TX half duplex is supported by the link partner
0 = 100BASE-TX half duplex is not supported by the link partner
6
10_FDX
0, RO
10BASE-T Full Duplex Support
1 = 10BASE-T full duplex is supported by the link partner
0 = 10BASE-T full duplex is not supported by the link partner
5
10_HDX
0, RO
10BASE-T Support
1 = 10BASE-T half duplex is supported by the link partner
0 = 10BASE-T half duplex is not supported by the link partner
4-0
Selector
<00000>, RO Protocol Selection Bits
Link partner’s binary encoded protocol selector
8.7 Auto-negotiation Expansion Register (ANER) - 06H
Bit
Bit Name
Default
Description
15-5
Reserved
0, RO
Reserved
Read as 0, ignore on write
4
PDF
0, RO/LH
Local Device Parallel Detection Fault
PDF = 1: A fault detected via parallel detection function.
PDF = 0: No fault detected via parallel detection function
3
LP_NP_ABLE
0, RO
Link Partner Next Page Able
LP_NP_ABLE = 1: Link partner, next page available
LP_NP_ABLE = 0: Link partner, no next page
2
NP_ABLE
0,RO/P
Local Device Next Page Able
NP_ABLE = 1: DM9006, next page available
NP_ABLE = 0: DM9006, no next page
DM9006 does not support this function, so this bit is always 0
1
PAGE_RX
0, RO
New Page Received
A new link code word page received. This bit will be automatically
cleared when the register (register 6) is read by management
0
LP_AN_ABLE
0, RO
Link Partner Auto-negotiation Able
A “1” in this bit indicates that the link partner supports
Auto-negotiation


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