ICS1892 datasheet(100/148 Pages) ICST

100 / 148 page

ICS1892, Rev. D, 2/26/01

February 26, 2001

100

Chapter 8

Management Register Set

ICS1892 Data Sheet

8.14.5

Automatic 10Base-T Power-Down (bit 19.1)

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:

• 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.

Note:

There are other means of powering down the 10Base-T Transceiver (for example, when the entire

device is isolated, using bit 0:10).

8.14.6

Automatic 100Base-TX Power-Down (bit 19.0)

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:

• 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.

Note:

There are other means of powering down the 100Base-TX Transceiver (for example, when the

entire device is isolated using bit 0:10).

ICS1892 Datasheet(PDF) 100 Page - Integrated Circuit Systems