ICS1893 Datasheet, PDF (36/152 Pages) Integrated Circuit Systems – 3.3-V 10Base-T/100Base-TX Integrated PHYceiver™

ICS1893 Data Sheet - Release
Figure 6-3 shows typical biasing and LED connections for the ICS1893.
Figure 6-3. ICS1893 LED - PHY Address
Chapter 6 Interface Overviews
ICS1893
P4RD
64
REC
P3TD
62
TRANS
P2LI
60
LINK
P1CL
59
COL
P0AC
55
ACTIVITY
10KΩ
10KΩ
LED 10KΩ
LED 10KΩ
VDD
1KΩ
1KΩ
1KΩ
LED 10KΩ
This circuit decodes to PHY address = 1.
Note:
1. All LED pins must be set during reset.
2. PHY address 00 tri-states the MII interface.
3. For more reliable address capture during power-on reset, add a 10KΩ resistor across
the LED.
ICS1893 Rev C 6/6/00
Copyright © 2000, Integrated Circuit Systems, Inc.
All rights reserved.
36
June, 2000