ICS1892 Integrated Circuit Systems, ICS1892 Datasheet - Page 117
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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9.2.4.4 MAC/Repeater Interface Pins for Link Pulse Interface
ICS1892, Rev. D, 2/26/01
Table 9-9
Table 9-9. MAC/Repeater Interface Pins: Link Pulse Interface
COL
CRS
RXER
RXCLK
MDC
MDIO
RXD0,
RXD1,
RXD2,
RXD3
RXDV
RXER
RXTRI
TXCLK
TXD0,
TXD1,
TXD2,
TXD3
MII Pin
Name
ICS1892
lists the MAC/Repeater Interface pin descriptions for the Link Pulse Interface.
–
–
LPRX
LRCLK
MDC
MDIO
–
–
LPRX
LTCLK
–
Name
Pluse
Link
Pin
Pin
No.
35,
34,
33,
45,
46,
47,
49
50
38
37
31
30
32
36
38
39
43
48
© 2000-2001, Integrated Circuit Systems, Inc.
All rights reserved.
Connect
Connect
Connect
Connect
Connect
Output
Output
Output
Output
Input/
Type
Input
Input
Pin
No
No
No
No
No
Collision (Detect).
For the Link Pulse Interface, this pin is a no connect. For more
information, see
Carrier Sense.
For the Link Pulse Interface, this pin is a no connect. For more
information, see
Link Pulse (Interface) Receive Error.
This pin’s description is the same as that given in
Link (Pulse Interface) Receive Clock.
The ICS1892 sources the LRCLK to the MAC/repeater. The
ICS1892 uses LRCLK to synchronize the signals on the LPRX
pin. The signal on the LRCLK pin is conditioned by RXTRI.
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
Receive Data 0–3.
For the Link Pulse Interface, these pins are a no connect. For
more information, see
Receive Data Valid.
For the Link Pulse Interface, this pin is a no connect. For more
information, see
Link Pulse (Interface) Receive Error.
This pin’s description is the same as that given in
Receive (Interface), Tri-State.
The input on this pin is from a MAC. When the signal on this pin is
logic:
Link (Pulse Interface) Transmit Clock.
This pin’s description is the same as that given in
Transmit Data 0–3.
For the Link Pulse Interface, these pins are a no connect. For
more information, see
•
•
Low, the MAC indicates that it is not in a tri-state condition.
High, the MAC indicates that it is in a tri-state condition. In this
case, the ICS1892 acts to ensure that only one PHY is active
at a time.
117
Table
Table
Table
Chapter 9 Pin Diagram, Listings, and Descriptions
Table
Table
6-3.
6-3.
6-3.
Pin Description
6-3.
6-3.
February 26, 2001
Table
Table
Table
Table
Table
9-6.
9-6.
9-6.
9-6.
9-6.
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