ICS1894-40
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
PHYCEIVER
Bit
4.7
4.6
4.5
4.4
Definition
When Bit = 0
When Bit = 1
Advertise ability
Access 2 SF2
Default3
Hex
100Base-TX, half duplex Do not advertise ability
R/W
R/W
R/W
CW
–
–
–
–
1
1
1
0
E
10Base-T, full duplex
10Base-T half duplex
Selector Field bit S4
Do not advertise ability
Do not advertise ability
Advertise ability
Advertise ability
N/A
IEEE 802.3-specified
default
4.3
4.2
4.1
4.0
Selector Field bit S3
Selector Field bit S2
Selector Field bit S1
Selector Field bit S0
IEEE 802.3-specified
default
N/A
N/A
N/A
CW
CW
CW
CW
–
–
–
–
0
0
0
1
1
IEEE 802.3-specified
default
IEEE 802.3-specified
default
N/A
IEEE 802.3-specified
default
Register 5h - Auto-Negotiation Link Partner Ability
5.15
5.14
5.13
5.12
5.11
5.10
5.9
Next Page
Next Page disabled
Always 0
Next Page enabled
RO
RO
RO
RO
RO
RO
RO
–
–
–
–
–
–
–
0
0
0
0
Acknowledge
Remote fault
IEEE reserved
IEEE reserved
IEEE reserved
100Base-T4
N/A
No faults detected
Always 0
Remote fault detected
0
N/A
N/A
N/A
N/A
0†
0†
0†
0
Always 0
Always 0
Always 0. (Not
supported.)
5.8
5.7
5.6
5.5
5.4
5.3
5.2
5.1
5.0
100Base-TX, full duplex Link partner is not
capable
Link partner is capable
RO
RO
RO
RO
RO
CW
CW
CW
CW
–
–
–
–
–
–
–
–
–
0
0
0
0
0
0
0
0
0
100Base-TX, half duplex Link partner is not
capable
Link partner is capable
0
10Base-T, full duplex
10Base-T, half duplex
Selector Field bit S4
Selector Field bit S3
Selector Field bit S2
Selector Field bit S1
Selector Field bit S0
Link partner is not
capable
Link partner is capable
Link partner is not
capable
Link partner is capable
IEEE 802.3 defined.
Always 0.
N/A
N/A
N/A
N/A
IEEE 802.3 defined.
Always 0.
0
IEEE 802.3 defined.
Always 0.
IEEE 802.3 defined.
Always 0.
N/A
IEEE 802.3 defined.
Always 1.
IDT® 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
19
ICS1894-40
REV G 060110
IDT [ INTEGRATED DEVICE TECHNOLOGY ]
