DM9008AEP_06 DAVICOM [Davicom Semiconductor, Inc.], DM9008AEP_06 Datasheet - Page 33
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DM9008AEP_06
Manufacturer Part Number
DM9008AEP_06
Description
Ethernet Controller with General Processor Interface
Manufacturer
DAVICOM [Davicom Semiconductor, Inc.]
Datasheet
1.DM9008AEP_06.pdf
(50 pages)
8.7 Auto-negotiation Expansion Register (ANER)- 06
8.8 DAVICOM Specified Configuration Register (DSCR) – 16
Preliminary
Version: DM9008AEP-DS-P03
Dec. 14, 2006
6.15-6.5
5.4-5.0
16.15
16.14
16.13
Bit
6.4
6.3
6.2
6.1
6.0
Bit
LP_AN_ABL
LP_NP_ABL
BP_ALIGN
PAGE_RX
NP_ABLE
Bit Name
Bit Name
BP_4B5B
Reserved
BP_SCR
Selector
PDF
E
E
0, RO/LH
0, RO/LH
<00000>,
Default
Default
0,RO/P
0, RW
0, RW
0, RO
0, RO
0, RO
0,RW
RO
partner
Protocol Selection Bits
Link partner’s binary encoded protocol selector
Reserved
Read as 0, ignore on write
Local Device Parallel Detection Fault
PDF = 1: A fault detected via parallel detection function.
PDF = 0: No fault detected via parallel detection function
Link Partner Next Page Able
LP_NP_ABLE = 1: Link partner, next page available
LP_NP_ABLE = 0: Link partner, no next page
Local Device Next Page Able
NP_ABLE = 1: DM9008A, next page available
NP_ABLE = 0: DM9008A, no next page
DM9008A does not support this function, so this bit is
always 0
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
Link Partner Auto-negotiation Able
A “1” in this bit indicates that the link partner supports
Auto-negotiation
Bypass 4B5B Encoding and 5B4B Decoding
1 = 4B5B encoder and 5B4B decoder function bypassed
0 = Normal 4B5B and 5B4B operation
Bypass Scrambler/Descrambler Function
1 = Scrambler and descrambler function bypassed
0 = Normal scrambler and descrambler operation
Bypass Symbol Alignment Function
1 = Receive functions (descrambler, symbol alignment and
symbol decoding functions) bypassed. Transmit functions
(symbol encoder and scrambler) bypassed
Ethernet Controller with General Processor Interface
Description
Description
DM9008AEP
33