DM9013 datasheet(48/75 Pages) DAVICOM

48 / 75 page

DM9013

3-port switch with Processor Interface

Preliminary datasheet

DM9013-15-DS-P03

April 9, 2009

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

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

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

NP_ABLE

0,RO/P

Local Device Next Page Able

NP_ABLE = 1: DM9013, next page available

NP_ABLE = 0: DM9013, no next page

DM9013 does not support this function, so this bit is always 0

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

LP_AN_ABLE

0, RO

Link Partner Auto-negotiation Able

A “1” in this bit indicates that the link partner supports

Auto-negotiation

8.8 DAVICOM Specified Configuration Register (DSCR) – 10H

Bit

Bit Name

Default

Description

BP_4B5B

0,RW

Bypass 4B5B Encoding and 5B4B Decoding

0 = Normal 4B5B and 5B4B operation

1 = 4B5B encoder and 5B4B decoder function bypassed

BP_SCR

0, RW

Bypass Scrambler/Descrambler Function

0 = Normal scrambler and descrambler operation

1 = Scrambler and descrambler function bypassed

BP_ALIGN

0, RW

Bypass Symbol Alignment Function

0 = Normal operation

1 = Receive functions (descrambler, symbol alignment and symbol

decoding functions) bypassed. Transmit functions (symbol

encoder and scrambler) bypassed

BP_ADPOK

0, RW

BYPASS ADPOK

Force signal detector (SD) active. This register is for debug only,

not release to customer

0=Normal operation

1=Forced SD is OK,

Reserved

Force to 0 in application

1, RW

100BASE-TX Mode Control

0 = 100BASE-FX operation

1 = 100BASE-TX operation

Reserved

0, RO

Reserved

0, RW

Reserved

F_LINK_100

0, RW

Force Good Link in 100Mbps

0 = Normal 100Mbps operation

DM9013 Datasheet(PDF) 48 Page - Davicom Semiconductor, Inc.

DM9013 Datasheet(HTML) 48 Page - Davicom Semiconductor, Inc.

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