ICS1892 Integrated Circuit Systems, ICS1892 Datasheet - Page 104
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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9.2 ICS1892 Pin Descriptions
9.2.1 Transformer Interface Pins
ICS1892, Rev. D, 2/26/01
The tables in this section list the ICS1892 pins by their functional grouping.
Table 9-3
Table 9-3. Transformer Interface Pins
TP_RXN
TP_RXP
TP_TXN
TP_TXP
Name
Pin
ICS1892 Data Sheet
lists the pins for the transformer interface group of pins.
Number
Pin
10
11
6
5
Output
Output
© 2000-2001, Integrated Circuit Systems, Inc.
All rights reserved.
Type
Input
Input
Pin
Twisted-Pair Receive (Data) Negative.
Within this table, see the description at pin 10, TP_RXP.
Twisted-Pair Receive (Data) Positive.
Data reception of differential analog signals occurs over the TP_RXN
and TP_RXP pair of differential-signal pins. Together these pins receive
the serial bit stream from the UTP cable through an isolation
transformer.
Depending on the operating mode of the remote link partner, the
received data is one of the following types of signals:
These signals interface directly to an isolation transformer, which in
turn, interfaces with the UTP cable.
Twisted-Pair Transmit (Data) Negative.
Within this table, see the description at pin 5, TP_TXP.
Twisted-Pair Transmit (Data) Positive.
Differential analog signal transmission occurs over the TP_TXN and
TP_TXP pair of pins. Together these pins drive the serial bit stream
over the UTP cable.
Depending on the operating mode of the ICS1892 MDI, the
current-driven differential driver produces one of the following types of
signals:
These signals interface directly to an isolation transformer, which in
turn, drives the UTP cable.
•
•
•
•
Two-level (10Base-T, that is, Manchester encoded) signals
Three-level (100Base-TX, that is, MLT-3 encoded) signals
Two-level (10Base-T, that is, Manchester encoded) signals
Three-level (100Base-TX, that is, MLT-3 encoded) signals
104
Chapter 9 Pin Diagram, Listings, and Descriptions
Pin Description
February 26, 2001
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