ICS1893AFLF Datasheet, PDF (32/136 Pages) Integrated Device Technology – 3.3-V 10Base-T/100Base-TX Integrated PHYceiver™

ICS1893AF Data Sheet - Release
Chapter 6 Interface Overviews
Figure 6-4 shows typical biasing and LED connections for the ICS1893AF.
Figure 6-4. ICS1893AF LED - PHY Interface
ICS1893AF
P4RD
8
REC
P3TD
6
TRANS
P2LI
4
LINK
P1CL
3
COL
P0AC
1
ACTIVITY
10KΩ
10KΩ
LED 10KΩ LED 10KΩ
VDD
1KΩ
1KΩ
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.
ICS1893AF, Rev D 10/26/04
Copyright © 2004, Integrated Circuit Systems, Inc.
All rights reserved.
32
October, 2004