參數(shù)資料
型號： 1893YI-10
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： 網絡接口
英文描述： DATACOM, INTERFACE CIRCUIT, PQFP64
封裝： 10 X 10 MM, TQFP-64
文件頁數(shù)： 5/152頁
文件大?。?/td> 943K
代理商： 1893YI-10
ICS1893 Rev C 6/6/00
June, 2000
102
Chapter 8
Management Register Set
ICS1893 Data Sheet - Release
Copyright 2000, Integrated Circuit Systems, Inc.
All rights reserved.
8.14.5
Twisted Pair Tri-State Enable, TPTRI (bit 19.7)
The ICS1893 provides a Twisted Pair Tri-State Enable bit. This bit forces the TP_TXP and TP_TXN signals
to a high-impedance state. When this bit is set to logic:
Zero, the Twisted Pair Interface is operational.
One, the Twisted Pair Interface is tri-stated.
8.14.6
ICS Reserved (bits 19.12:6)
See Section 8.11.2, “ICS Reserved (bits 16.14:11)”, the text for which also applies here.
8.14.7
Force LEDs On (bit 19.5)
Each ICS1893 provides a Force LEDs On bit as a diagnostic function. This bit overrides the normal
operation of the LEDs and forces them on. When this bit is set to logic:
Zero, the normal operation of all ICS1893 LEDs is unaffected.
One, all ICS1893 LEDs forced on.
Note:
The ‘on’state of the LEDs driven from multi-function configuration pins is determined after the pin
is sampled.
8.14.8
ICS Reserved (bits 19.4:1)
See Section 8.11.2, “ICS Reserved (bits 16.14:11)”, the text for which also applies here.
8.14.9
Automatic 100Base-TX Power-Down (bit 19.0)
The Automatic 100Base-TX Power Down bit provides an STA with the means of enabling the ICS1893 to
automatically shut down 100Base-TX support functions when 10Base-T operations are being used. When
this bit is set to logic:
Zero, the 100Base-TX Transceiver does not power down automatically in 100Base-TX mode.
One, and the ICS1893 is operating in 10Base-T mode, the 100Base-TX Transceiver automatically turns
off to reduce the overall power consumption of the ICS1893.
Note:
There are other means of powering down the 100Base-TX Transceiver (for example, when the
entire device is isolated using bit 0:10).
相關PDF資料
PDF描述
1894-40KLF DATACOM, INTERFACE CIRCUIT, QCC40
1894-40KLFT DATACOM, INTERFACE CIRCUIT, QCC40
1895230000 15 A, STRIP TERMINAL BLOCK, 2 ROWS, 2 DECKS
18F-08P-241 8 CONTACT(S), CABLE MOUNT, MINI DIN CONNECTOR, PLUG
18F-08P-244 8 CONTACT(S), CABLE MOUNT, MINI DIN CONNECTOR, PLUG
相關代理商/技術參數(shù)
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