ICS1894-33
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE PHYCEIVER
IDT®
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE 16
ICS1894-33 REV A 021612
2.3 OUI bit 15 | o N/A N/A CW 0 5
2.2 OUI bit 16 | p N/A N/A CW 1
2.1 OUI bit 17 | q N/A N/A CW 0
2.0 OUI bit 18 | r N/A N/A CW 1
Register 3 - PHY Identifier
3.15 OUI bit 19 | s N/A N/A CW 1 F
3.14 OUI bit 20 | t N/A N/A CW 1
3.13 OUI bit 21 | u N/A N/A CW 1
3.12 OUI bit 22 | v N/A N/A CW 1
3.11 OUI bit 23 | w N/A N/A CW 0 4
3.10 OUI bit 24 | x N/A N/A CW 1
3.9 Manufacturer’s Model
Number bit 5
N/A N/A CW 0
3.8 Manufacturer’s Model
Number bit 4
N/A N/A CW 0
3.7 Manufacturer’s Model
Number bit 3
N/A N/A CW 0 5
3.6 Manufacturer’s Model
Number bit 2
N/A N/A CW 1
3.5 Manufacturer’s Model
Number bit 1
N/A N/A CW 0
3.4 Manufacturer’s Model
Number bit 0
N/A N/A CW 1
3.3 Revision Number bit 3 N/A N/A CW 0 0
3.2 Revision Number bit 2 N/A N/A CW 0
3.1 Revision Number bit 1 N/A N/A CW 0
3.0 Revision Number bit 0 N/A N/A CW 0
Register 4 -
Auto-Negotiation Advertisement
4.15 Next Page Next page not supported Next page supported R/W 0 0
4.14 IEEE reserved Always 0 N/A CW 0†
4.13 Remote fault Locally, no faults
detected
Local fault detected R/W 0
4.12 IEEE reserved Always 0 N/A CW 0†
4.11 IEEE reserved Always 0 N/A CW 0† 1
4.10 IEEE reserved Always 0 N/A CW 0†
4.9 100Base-T4 Always 0. (Not
supported.)
N/A CW 0
4.8 100Base-TX, full duplex Do not advertise ability Advertise ability R/W 1
Bit Definition When Bit = 0 When Bit = 1 Access
2
SF
2
Default
3
Hex
ICS1894-33
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE PHYCEIVER
IDT®
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE 17
ICS1894-33 REV A 021612
4.7 10Base-T half duplex Do not advertise ability Advertise ability R/W 1 E
4.6 10Base-T, full duplex Do not advertise ability Advertise ability R/W 1
4.5 10Base-T half duplex Do not advertise ability Advertise ability R/W 1
4.4 Selector Field bit S4 IEEE 802.3-specified
default
N/A CW 0
4.3 Selector Field bit S3 IEEE 802.3-specified
default
N/A CW 0 1
4.2 Selector Field bit S2 IEEE 802.3-specified
default
N/A CW 0
4.1 Selector Field bit S1 IEEE 802.3-specified
default
N/A CW 0
4.0 Selector Field bit S0 N/A IEEE 802.3-specified
default
CW 1
Register 5 -
Auto-Negotiation Link Partner Ability
5.15 Next Page Next Page disabled Next Page enabled RO 0 0
5.14 Acknowledge Always 0 N/A RO 0
5.13 Remote fault No faults detected Remote fault detected RO 0
5.12 IEEE reserved Always 0 N/A RO 0†
5.11 IEEE reserved Always 0 N/A RO 0† 0
5.10 IEEE reserved Always 0 N/A RO 0†
5.9 100Base-T4 Always 0. (Not
supported.)
N/A RO 0
5.8 100Base-TX, full duplex Link partner is not
capable
Link partner is capable RO 0
5.7 100Base-TX, half duplex Link partner is not
capable
Link partner is capable RO 0 0
5.6 10Base-T, full duplex Link partner is not
capable
Link partner is capable RO 0
5.5 10Base-T, half duplex Link partner is not
capable
Link partner is capable RO 0
5.4 Selector Field bit S4 IEEE 802.3 defined.
Always 0.
N/A RO 0
5.3 Selector Field bit S3 IEEE 802.3 defined.
Always 0.
N/A CW 0 0
5.2 Selector Field bit S2 IEEE 802.3 defined.
Always 0.
N/A CW 0
5.1 Selector Field bit S1 IEEE 802.3 defined.
Always 0.
N/A CW 0
5.0 Selector Field bit S0 N/A IEEE 802.3 defined.
Always 1.
CW 0
Bit Definition When Bit = 0 When Bit = 1 Access
2
SF
2
Default
3
Hex
ICS1894-33
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE PHYCEIVER
IDT®
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE 18
ICS1894-33 REV A 021612
Register 6 - Auto-Negotiation Expansion
6.15 IEEE reserved Always 0 N/A CW 0† 0
6.14 IEEE reserved Always 0 N/A CW 0†
6.13 IEEE reserved Always 0 N/A CW 0†
6.12 IEEE reserved Always 0 N/A CW 0†
6.11 IEEE reserved Always 0 N/A CW 0† 0
6.10 IEEE reserved Always 0 N/A CW 0†
6.9 IEEE reserved Always 0 N/A CW 0†
6.8 IEEE reserved Always 0 N/A CW 0†
6.7 IEEE reserved Always 0 N/A CW 0† 0
6.6 IEEE reserved Always 0 N/A CW 0†
6.5 IEEE reserved Always 0 N/A CW 0†
6.4 Parallel detection fault No Fault Multiple technologies
detected
RO LH 0
6.3 Link partner Next Page
able
Link partner is not Next
Page able
Link partner is Next Page
able
RO 0 4
6.2 Next Page able Local device is not Next
Page able
Local device is Next Page
able
RO 1
6.1 Page received Next Page not received Next Page received RO LH 0
6.0 Link partner
Auto-Negotiation able
Link partner is not
Auto-Negotiation able
Link partner is
Auto-Negotiation able
RO 0
Register 7 -
Auto-Negotiation Next Page Transmit
7.15 Next Page Last Page Additional Pages follow RW 0 2
7.14 IEEE reserved Always 0 N/A RO 0†
7.13 Message Page Unformatted Page Message Page RW 1
7.12 Acknowledge 2 Cannot comply with
Message
Can comply with Message RW 0
7.11 Toggle Previous Link Code
Word was zero
Previous Link Code Word
was one
RO 0 0
7.10 Message code field
/Unformatted code field
Bit value depends on the
particular message
Bit value depends on the
particular message
RW 0
7.9 Message code field
/Unformatted code field
Bit value depends on the
particular message
Bit value depends on the
particular message
RW 0
7.8 Message code field
/Unformatted code field
Bit value depends on the
particular message
Bit value depends on the
particular message
RW 0
Bit Definition When Bit = 0 When Bit = 1 Access
2
SF
2
Default
3
Hex

1894K-33LFT

Mfr. #:
Manufacturer:
IDT
Description:
Ethernet ICs 3.3V 10/100 PHY RMII
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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