
AX88772
USB to 10/100 Fast Ethernet/HomePNA Controller
These bits contain the binary encoded protocol selector supported
by this PHY. [0 0001] indicates that this PHY supports IEEE
802.3u CSMA/CD.
7.1.6 Auto Negotiation Link Partner Ability Register (ANLPAR)
Address 05h
Bit
Bit Name
Default
15
NP
0, RO
Description
Next page indication:
1 = Link partner next page enabled
0 = Link partner not next page enabled
Acknowledgement:
1 = Link partner ability for reception of data word acknowledged
0 = Not acknowledged
Remote fault:
1 = Remote fault indicated by link partner
0 = No remote fault indicated by link partner
Reserved:
Write as 0, read as “don’t care”.
Pause:
1 = Pause operation supported by link partner
0 = Pause operation not supported by link partner
100BASE-T4 support:
1 = 100BASE-T4 supported by link partner
0 = 100BASE-T4 not supported by link partner
100BASE-TX full-duplex support:
1 = 100BASE-TX full-duplex supported by link partner
0 = 100BASE-TX full-duplex not supported by link partner
100BASE-TX half-duplex support:
1 = 100BASE-TX half-duplex supported by link partner
0 = 100BASE-TX half-duplex not supported by link partner
10BASE-T full-duplex support:
1 = 10BASE-T full-duplex supported by link partner
0 = 10BASE-T full-duplex not supported by link partner
10BASE-T half-duplex support:
1 = 10BASE-T half-duplex supported by link partner
0 = 10BASE-T half-duplex not supported by link partner
Protocol selection bits:
Link partner’s binary encoded protocol selector.
14
ACK
0, RO
13
RF
0, RO
12:11 Reserved
X, RO
10
Pause
0, RO
9
T4
0, RO
8
TX_FD
0, RO
7
TX_HD
0, RO
6
10_FD
0, RO
5
10_HD
0, RO
4:0
Selector
0_0000, RO
7.1.7 Auto Negotiation Expansion Register (ANER)
Address 06h
Bit
Bit Name
15:5 Reserved
0, RO
Default
Description
Reserved:
Write as 0, read as “don’t care”.
Parallel detection fault:
1 = Fault detected via the parallel detection function
0 = No fault detected
Link partner next page enable:
1 = Link partner next page enabled
0 = Link partner not next page enabled
PHY next page enable:
0 = PHY not next page enabled
New page reception:
4
PDF
0, RO / LH
3
LP_NP_AB
0, RO
2
NP_AB
0, RO / PS
1
Page_RX
0, RO / LH
ASIX ELECTRONICS CORPORATION
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