ICS1894-40 Datasheet, PDF (16/52 Pages) Integrated Device Technology – 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE

ICS1894-40
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
PHYCEIVER
Bit
Definition
When Bit = 0
When Bit = 1
0.3
IEEE reserved
0.2
IEEE reserved
0.1
IEEE reserved
0.0
IEEE reserved
Register 1h - Control
1.15 100Base-T4
1.14 100Base-TX full duplex
1.13 100Base-TX half duplex
1.12 10Base-T full duplex
1.11 10Base-T half duplex
1.10 IEEE reserved
1.9 IEEE reserved
1.8 IEEE reserved
1.7 IEEE reserved
1.6 MF Preamble
suppression
1.5 Auto-Negotiation
complete
1.4 Remote fault
1.3 Auto-Negotiation ability
1.2 Link status
1.1 Jabber detect
1.0 Extended capability
Register 2h, 3h - PHY Identifier
2.15 OUI bit 3 | c
2.14 OUI bit 4 | d
2.13 OUI bit 5 | e
2.12 OUI bit 6 | f
2.11 OUI bit 7 | g
2.10 OUI bit 8 | h
2.9 OUI bit 9 | I
2.8 OUI bit 10 | j
Always 0
N/A
Always 0
N/A
Always 0
N/A
Always 0
N/A
Always 0. (Not
N/A
supported.)
Mode not supported
Mode supported
Mode not supported
Mode supported
Mode not supported
Mode supported
Mode not supported
Mode supported
Always 0
N/A
Always 0
N/A
Always 0
N/A
Always 0
N/A
PHY requires MF
Preambles
PHY does not require MF
Preambles
Auto-Negotiation is in
process, if enabled
Auto-Negotiation is
completed
No remote fault detected Remote fault detected
N/A
Always 1: PHY has
Auto-Negotiation ability
Link is invalid/down
Link is valid/established
No jabber condition
Jabber condition detected
N/A
Always 1: PHY has
extended capabilities
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Ac-
cess
RO
RO
RO
RO
RO
CW
CW
CW
CW
CW
CW
CW
CW
RO
RO
RO
RO
RO
RO
RO
CW
CW
CW
CW
CW
CW
CW
CW
SF De- Hex
fault
– 0‡ 0
– 0‡
– 0‡
– 0‡
–
0
7
–
1
–
1
–
1
–
1
8
– 0†
– 0†
– 0†
– 0† 0
–
0
LH 0
LH 0
–
1
9
LL 0
LH 0
–
1
–
0
0
–
0
–
0
–
0
–
0
0
–
0
–
0
–
0
IDT™ / ICS™ 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE 16
ICS1894-40 REV C 092909