ICS1893BY-10 Data Sheet - Release
Chapter 8 Pin Diagram, Listings, and Descriptions
Table 8-4. Configuration Pins (Continued)
Pin
Pin
Pin
Pin Description
Name
Number
Type
REF_IN
53
Input
(Frequency) Reference Input.
This pin is connected to a 25-MHz oscillator or crystal. For a tolerance,
see Section 9.5.1, “Timing for Clock Reference In (REF_IN) Pin”.
REF_OUT
RESETn
52
18
Input
Input
(Frequency) Reference Output.
This pin is used with a crystal.
(System) Reset (Active Low).
• When the signal on this active-low pin is logic:
– Low, the ICS1893BY-10 is in hardware reset.
– High, the ICS1893BY-10 is operational.
• For more information on hardware resets, see the following:
– Section 4.1.2.1, “Hardware Reset”
– Section 9.5.18, “Reset: Hardware Reset and Power-Down”
8.3.4 MAC/Repeater Interface Pins
This section lists pin descriptions for each of the following interfaces
• Section 8.3.4.1, “MAC/Repeater Interface Pins for Media Independent Interface”
• Section 8.3.4.2, “MAC/Repeater Interface Pins for 100M Symbol Interface”
• Section 8.3.4.3, “MAC/Repeater Interface Pins for 10M Serial Interface”
ICS1893BY-10 Rev A 3/24/04
March, 2004
Copyright © 2004, Integrated Circuit Systems, Inc.
All rights reserved.
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ICSI [ INTEGRATED CIRCUIT SOLUTION INC ]
