ics1893cy-10 Integrated Device Technology, ics1893cy-10 Datasheet - Page 106

• Manufacturer Part Number: ics1893cy-10
• Description: 3.3-v 10base-t/100base-tx Integrated Phyceiver
• Manufacturer: Integrated Device Technology

8.3.4 MAC/Repeater Interface Pins
ICS1893CY-10 Rev 1/07
Table 8-4. Configuration Pins (Continued)
This section lists pin descriptions for each of the following interfaces
•
•
•
REF_IN
REF_OUT
RESETn
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”
Name
ICS1893CY-10 Data Sheet - Release
Pin
Number
Pin
53
52
18
Type
Input
Input
Input
Pin
Copyright © 2007, Integrated Device Technology, Inc.
(Frequency) Reference Input.
This pin is connected to a 25-MHz oscillator or crystal. For a tolerance,
see
(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 ICS1893CY-10 is in hardware reset.
– High, the ICS1893CY-10 is operational.
For more information on hardware resets, see the following:
–
–
Section 9.5.1, “Timing for Clock Reference In (REF_IN)
Section 4.1.2.1, “Hardware Reset”
Section 9.5.18, “Reset: Hardware Reset and Power-Down”
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106
Chapter 8 Pin Diagram, Listings, and Descriptions
Pin Description
Pin”.