ICS1892
10Base-T/100Base-TX Integrated PHYceiver™
TSD
Chapter 9 Pin Diagram, Listings, and Descriptions
ICS1892 Data Sheet
Table 9-9. MAC/Repeater Interface Pins: Link Pulse Interface (Continued)
MII Pin
Name
Link
Pluse
Pin
Pin
No.
Pin
Type
Pin Description
Name
TXEN
TXER
–
44
42
No
Transmit Enable.
Connect For the Link Pulse Interface, this pin is a no connect. For more
information, see Table 6-3.
LPTX
Input
Link Pulse (Interface) Transmit Error.
This pin’s description is the same as that given in Table 9-6.
9.2.5 Reserved Pins
Table 9-10 lists the reserved pins.
Table 9-10. Reserved Pins
Pin
Pin
Pin
Pin Description
Name Number
Type
NC
12, 13,
14, 15,
20, 26
–
No Connect.
• These pins are always reserved for use by ICS.
• Depending on the interface that is used, other pins can also be
no-connects. For pins that are no connects when the interface is the:
– 100M Symbol Interface, see Section 9.2.4.2, “MAC/Repeater
Interface Pins for 100M Symbol Interface”.
– 10M Serial Interface, see Section 9.2.4.3, “MAC/Repeater Interface
Pins for 10M Serial Interface”.
– Link Pulse Interface, see Section 9.2.4.4, “MAC/Repeater Interface
Pins for Link Pulse Interface”.
Caution: ‘No-Connect’ pins must not be connected, as connecting them
can affect the performance of the ICS1892.
9.2.6 Ground and Power Pins
Table 9-11 lists the ground and power pins.
Table 9-11. Ground and Power Pins
Pin Name Pin Number
Pin Type
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Power
Pin Description
Analog Domain
Analog Domain
Analog Domain
Analog Domain
Analog Domain
Digital Domain
Digital Domain
Analog Domain
Analog Domain
Analog Domain
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VDD
VDD
7
17
29
51
55
40
63
9
8
16
Power
ICS1892, Rev. D, 2/26/01
February 26, 2001
© 2000-2001, Integrated Circuit Systems, Inc.
All rights reserved.
118
IDT™ / ICS™ 10Base-T/100Base-TX Integrated PHYceiver™
ICS1892
118
IDT [ INTEGRATED DEVICE TECHNOLOGY ]
