1894K-33LFT IDT, 1894K-33LFT Datasheet - Page 19
![no-image](/images/no-image-200.jpg)
1894K-33LFT
Manufacturer Part Number
1894K-33LFT
Description
Ethernet ICs 3.3V 10/100 PHY RMII
Manufacturer
IDT
Datasheet
1.1894KI-32LF.pdf
(50 pages)
Specifications of 1894K-33LFT
Rohs
yes
Part # Aliases
ICS1894K-33LFT
IDT® 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
Register 5 -
5.15
5.14
5.13
5.12
5.11
5.10
5.9
5.8
5.7
5.6
5.5
5.4
5.3
5.2
5.1
5.0
ICS1894-32
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4.0
Bit
10Base-T, full duplex
Selector Field bit S4
Selector Field bit S3
Selector Field bit S2
Selector Field bit S1
Selector Field bit S0
Next Page
Acknowledge
Remote fault
IEEE reserved
IEEE reserved
IEEE reserved
100Base-T4
100Base-TX, full duplex
100Base-TX, half duplex Link partner is not
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
Auto-Negotiation Link Partner Ability
Definition
—
—
IEEE 802.3-specified
default
IEEE 802.3-specified
default
IEEE 802.3-specified
default
IEEE 802.3-specified
default
N/A
Next Page disabled
Always 0
Always 0
Always 0. (Not
supported.)
Link partner is not
capable
capable
capable
capable
IEEE 802.3 defined.
Always 0.
IEEE 802.3 defined.
Always 0.
IEEE 802.3 defined.
Always 0.
IEEE 802.3 defined.
Always 0.
N/A
Do not advertise ability
Always 0
No faults detected
Always 0
Link partner is not
Link partner is not
When Bit = 0
—
—
Advertise ability
N/A
N/A
N/A
N/A
IEEE 802.3-specified
default
Next Page enabled
N/A
Remote fault detected
N/A
N/A
N/A
N/A
Link partner is capable
Link partner is capable
Link partner is capable
Link partner is capable
N/A
N/A
N/A
N/A
IEEE 802.3 defined.
Always 1.
When Bit = 1
—
—
19
Access
R/W
R/W
R/W
CW
CW
CW
CW
CW
CW
CW
CW
CW
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
2
SF
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
ICS1894-32
2
Default
0†
0†
0†
1
1
1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
PHYCEIVER
3
REV M 021512
Hex
E
1
0
0
0
0