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DP83840AVCE Datasheet(PDF) 49 Page - Texas Instruments

Part # DP83840AVCE
Description  10/100 Mb/s Ethernet Physical Layer
PDF  91 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

DP83840AVCE Datasheet(HTML) 49 Page - Texas Instruments

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4.0 Registers (Continued)
48
National Semiconductor
Version A
4.7 AUTO-NEGOTIATION LINK PARTNER ABILITY REGISTER (ANLPAR)
Address 05h
This register contains the advertised abilities of the Link Partner as received during Auto-Negotiation.
Bit
Bit Name
Default
Description
15
NP
0, RO
NEXT PAGE INDICATION:
0 = Link Partner not Next Page able
1 = Link Partner is Next Page able
14
ACK
0, RO
ACKNOWLEDGE:
1 = Link Partner acknowledges reception of the ability data word
0 =Not acknowledged
The DP83840A's Auto-Negotiation state machine will automatically
control the use of this bit from the incoming FLP bursts. Software should
not attempt to write to this bit.
13
RF
0, RO
REMOTE FAULT:
1 = Remote Fault indicated by Link Partner
0 = No Remote Fault indicated by Link Partner
12:10
Reserved
X, RO
RESERVED: Write as 0, read as don't care.
9
T4
0, RO
100BASE-T4 SUPPORT:
1 = 100BASE-T4 is supported by the Link Partner
0 = 100BASE-T4 not supported by the Link Partner
8
TX_FD
0, RO
100BASE-TX FULL DUPLEX SUPPORT:
1 = 100BASE-TX Full Duplex is supported by the Link Partner
0 = 100BASE-TX Full Duplex not supported by the Link Partner
7
TX
0, RO
100BASE-TX SUPPORT:
1 = 100BASE-TX is supported by the Link Partner
0 = 100BASE-TX not supported by the Link Partner
6
10_FD
0, RO
10BASE-T FULL DUPLEX SUPPORT:
1 = 10BASE-T Full Duplex is supported by the Link Partner
0 = 10BASE-T Full Duplex not supported by the Link Partner
5
10
0, RO
10BASE-T SUPPORT:
1 = 10BASE-T is supported by the Link Partner
0 = 10BASE-T not supported by the Link Partner
4:0
Selector
<00000>,
RO
PROTOCOL SELECTION BITS: Link Partner's binary encoded protocol
selector.



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