ICS1892 Integrated Circuit Systems, ICS1892 Datasheet - Page 100
ICS1892
Manufacturer Part Number
ICS1892
Description
10Base-T/100Base-TX Integrated PHYceiver
Manufacturer
Integrated Circuit Systems
Datasheet
1.ICS1892.pdf
(148 pages)
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8.14.5 Automatic 10Base-T Power-Down (bit 19.1)
8.14.6 Automatic 100Base-TX Power-Down (bit 19.0)
ICS1892, Rev. D, 2/26/01
The Automatic 10Base-T Power Down bit provides an STA the means of enabling the ICS1892 to
automatically shut down 10Base-T support functions when 100Base-TX operations are being employed.
When this bit is set to logic:
•
•
Note:
The Automatic 100Base-TX Power Down bit provides an STA with the means of enabling the ICS1892 to
automatically shut down 100Base-TX support functions when 10Base-T operations are being employed.
When this bit is set to logic:
•
•
Note:
Zero, the 10Base-T Transceiver does not power down automatically in 100Base-TX mode.
One, and the ICS1892 is operating in 100Base-TX mode, the 10Base-T Transceiver automatically turns
off to reduce the overall power consumption of the ICS1892.
Zero, the 100Base-TX Transceiver does not power down automatically in 100Base-TX mode.
One, and the ICS1892 is operating in 10Base-T mode, the 100Base-TX Transceiver automatically turns
off to reduce the overall power consumption of the ICS1892.
ICS1892 Data Sheet
There are other means of powering down the 10Base-T Transceiver (for example, when the entire
device is isolated, using bit 0:10).
There are other means of powering down the 100Base-TX Transceiver (for example, when the
entire device is isolated using bit 0:10).
© 2000-2001, Integrated Circuit Systems, Inc.
All rights reserved.
100
Chapter 8 Management Register Set
February 26, 2001
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