AC104QF
Ultra Low Power 10/100 Quad RMII Ethernet Transceiver
2055 Gateway Parkway Suite 700, San Jose, CA 95110 (408) 453-3700 (www.altimacom.com)
Altima Communications Inc. reserves the right to make changes to this document without notice.
Document Revision 4.0
Page 21 of 37
Register 4: Auto-Negotiation Advertisement Register
Reg.bit
Name
Description
Mode
Default
4.15
Next Page
1 = Next Page enabled.
0 = Next Page disabled.
RW
0
4.14
Acknowledge
This bit will be set internally after receiving 3 consecutive
and consistent FLP bursts.
RO
0
4.13
Remote Fault
1 = Advertises that this device has detected a Remote Fault.
0 = No remote fault detected.
RW
0
4.[12:11]
Reserved
For future technology.
RW
000
4.10
FDFC
Full Duplex Flow Control
1= Advertise that the DTE(MAC) has implemented both the
optional MAC control sublayer and the pause function as
specified in clause 31 and annex 31B of 802.3u.
0= MAC does not support flow control
4.9
100Base-T4
Technology not supported. This bit always 0
RO
0
4.8
100Base-TX
Full Duplex
1 = 100BaseTX full duplex capable.
0 = Not 100BaseTX full duplex capable.
RW
* See Note
4.7
100Base-TX
1 = 100BaseTX half duplex capable.
0 = Not TX half duplex capable.
RW
* See Note
4.6
10Base-T
Full Duplex
1 = 10BaseT full duplexcapable.
0 = Not 10BaseT full duplex capable.
RW
* See Note
4.5
10Base-T
1 = 10BaseT half duplex capable.
0 = Not 10BaseT half duplex capable.
RW
* See Note
4.[4:0]
Selector Field
Protocol Selection [00001] = IEEE 802.3.
RO
00001
* refer to Mode Table
Register 5: Auto-Negotiation Link Partner Ability Register/Link Partner Next Page Message
Reg.bit
Name
Description
Mode
Default
5.15
Next Page
1 = Link partner desires Next Page transfer.
0 = Link partner does not desire Next Page transfer.
RO
0
5.14
Acknowledg
e
1 = Link Partner acknowledges reception of FLP words.
0 = Not acknowledged by Link Partner.
RO
0
5.13
Remote
Fault
1 = Remote Fault indicated by Link Partner.
0 = No remote fault indicated by Link Partner.
RO
0
5.[12:10]
Reserved
For future technology.
RO
000
5.9
100Base-T4
1 = 100BaseT4 supported by Link Partner.
0 = 100BaseT4 not supported by Link Partner.
RO
0
5.8
100Base-TX
Full Duplex
1 = 100BaseTX full duplex supported by Link Partner.
0 = 100BaseTX full duplex not supported by Link Partner.
RO
0
5.7
100Base-TX
1 = 100BaseTX half duplex supported by Link Partner.
0 = 100BaseTX half duplex not supported by Link Partner.
RO
0
5.6
10Base-T
Full Duplex
1 = 10Mbps full duplex supported by Link Partner.
0 = 10Mbps full duplex not supported by Link Partner.
RO
0
5.5
10Base-T
1 = 10Mbps half duplex supported by Link Partner.
0 = 10Mbps half duplex not supported by Link Partner.
RO
0
5.[4:0]
Selector
Field
Protocol Selection [00001] = IEEE 802.3.
RO
00001
*When this register is used as Next Page Message, the bit definition is the same as Register 7.
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