ICS1893CF Data Sheet Rev. J - Release
Chapter 5 Interface Overviews
Figure 5-3 shows typical biasing and LED connections for the ICS1893CF.
Figure 5-3. ICS1893CF LED - PHY Interface
ICS1893CF
P4RD
8
P3TD
6
P2LI
4
P1CL
3
P0AC
1
REC
LINK
ACTIVITY
COL
TRANS
VDD
10KΩ
10KΩ
1KΩ
LED
10KΩ
1KΩ
LED
10KΩ
1KΩ
LED
10KΩ
This circuit decodes to PHY address = 1.
Notes:
1. All LED pins must be set during reset.
2. Caution: PHY address 00 tri-states the MII interface. Don’t use PHY address 00.
3. For more reliable address capture during power-on reset, add a 10KΩ resistor across
the LED.
ICS1893CF, Rev. J, 08/11/09
August, 2009
Copyright © 2009, Integrated Device Technology, Inc.
All rights reserved.
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