ICS1892 Integrated Circuit Systems, ICS1892 Datasheet - Page 115
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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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9.2.4.3 MAC/Repeater Interface Pins for 10M Serial Interface
ICS1892, Rev. D, 2/26/01
Table 9-8
Table 9-8. MAC/Repeater Interface Pins: 10M Serial Interface
COL
CRS
MDC
MDIO
RXCLK
RXCLK
MII Pin
Name
ICS1892
lists the MAC/Repeater Interface pin descriptions for the 10M Serial Interface.
10COL
10CRS
MDC
MDIO
10RCLK
10RCLK
Serial
Name
10M
Pin
No.
Pin
49
50
31
30
37
37
© 2000-2001, Integrated Circuit Systems, Inc.
All rights reserved.
Output
Output
Output
Input/
Type
Input
Pin
10M (Serial Interface) Collision (Detect).
This pin’s description is the same as that given in
10M (Serial Interface) Carrier Sense.
This pin’s description is the same as that given in
Management Data Clock.
This pin’s description is the same as that given in
Management Data Input/Output.
This pin’s description is the same as that given in
10M (Serial Interface) Receive Clock.
This pin’s description is the same as that given in
10M (Serial Interface) Receive Clock.
The 10RCLK pin name is the 10M Serial Interface mapping of
the MII RXCLK (Receive Clock) pin name. The ICS1892
sources the 10RCLK to the MAC/repeater. The ICS1892 uses
10RCLK to synchronize the signals on the 10RD and 10RXDV
pins. The following table contrasts the behavior on the 10RCLK
pin when the mode for the ICS1892 is either 10Base-T or
100Base-TX.
Note: The signal on the 10RCLK pin is conditioned by RXTRI.
The10RCLK frequency is 10
MHz.
The ICS1892 generates
10RCLK from the MDI data
stream using a digital PLL.
When the MDI data stream
terminates, the PLL continues
to operate, synchronously
referenced to the last packet
received.
The ICS1892 switches
between clock sources during
the period between when
10CRS is being asserted and
10RXDV is being asserted.
While the ICS1892 locks onto
the incoming data stream, a
clock phase change of up to
360 degrees can occur.
115
10Base-T Serial
Chapter 9 Pin Diagram, Listings, and Descriptions
Pin Description
February 26, 2001
Table
Table
Table
Table
Table
9-6.
9-6.
9-6.
9-6.
9-6.
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