ICS1892YT IDT, Integrated Device Technology Inc, ICS1892YT Datasheet - Page 75
ICS1892YT
Manufacturer Part Number
ICS1892YT
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.ICS1892YT.pdf
(148 pages)
Specifications of ICS1892YT
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8.6 Register 4: Auto-Negotiation Register
8.6.1 Next Page (bit 4.15)
ICS1892, Rev. D, 2/26/01
Table 8-11
capabilities that it wants to advertise to its remote link partner. During the auto-negotiation process, the
ICS1892 advertises (that is, exchanges) capability data with its remote link partner by using a pre-defined
Link Code Word. The Link Code Word is embedded in the Fast Link Pulses exchanged between PHYs,
when the ICS1892 has its Auto-Negotiation sublayer enabled. The value of the Link Control Word is
established based on the value of the bits in this register.
Note:
Table 8-11. Auto-Negotiation Advertisement Register (register 4 [0x04])
† As per the IEEE Std 802.3u, during any write operation to any bit in this register, the STA must write the default value
to all Reserved bits.
Note 1:
•
•
This bit indicates whether the ICS1892 uses the Next Page Mode functions during the auto-negotiation
process. If bit 4.15 is logic:
•
•
4.15
4.14
4.13
4.12
4.10
4.11
4.9
4.8
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4.0
Bit
In Hardware mode (that is, HW/SW pin is logic zero), this bit is a Read-Only bit.
In Software mode (that is, HW/SW pin is logic one), this bit is a Command Override Write bit.
Zero, then the ICS1892 indicates to its remote link partner that these features are disabled. (Although
the default value of this bit is logic zero, the ICS1892 does support the Next Page function.)
One, then the ICS1892 advertises to its remote link partner that this feature is enabled.
ICS1892
Next Page
IEEE reserved
Remote fault
IEEE reserved
IEEE reserved
IEEE reserved
100Base-T4
100Base-TX, full duplex
100Base-TX, half duplex Do not advertise ability
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
For an explanation of acronyms used in
lists the bits for the Auto-Negotiation Register. An STA uses this register to select the ICS1892
Definition
© 2000-2001, Integrated Circuit Systems, Inc.
All rights reserved.
Next page not supported
Always 0
Locally, no faults detected
Always 0
Always 0
Always 0
Always 0. (Not supported.)
Do not advertise ability
Do not advertise ability
Do not advertise ability
IEEE 802.3-specified default N/A
IEEE 802.3-specified default N/A
IEEE 802.3-specified default N/A
IEEE 802.3-specified default N/A
N/A
When Bit = 0
75
Table
8-5, see
Next page supported
N/A
Local fault detected
N/A
N/A
N/A
N/A
Advertise ability
Advertise ability
Advertise ability
Advertise ability
IEEE 802.3-specified
default
When Bit = 1
Chapter 1, “Abbreviations and
Chapter 8 Management Register Set
Note 1
Note 1
Note 1
Note 1
cess
R/W
R/W
CW
CW
CW
CW
CW
CW
CW
CW
CW
CW
Ac-
February 26, 2001
SF
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Acronyms”.
fault
De-
0†
0†
0†
0†
0
0
0
1
1
1
1
0
0
0
0
1
Hex
0
1
E
1
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