ics1893ck-40 Integrated Device Technology, ics1893ck-40 Datasheet - Page 90
ics1893ck-40
Manufacturer Part Number
ics1893ck-40
Description
3.3-v 10base-t/100base-tx Integrated Phyceiver
Manufacturer
Integrated Device Technology
Datasheet
1.ICS1893CK-40.pdf
(121 pages)
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8.2.3 Configuration Pins
ICS1893CK-40, Rev. C, 06/02/09
Table 8-6
Table 8-6. Configuration Pins
10TCSR
100TCSR
REF_IN
REF_OUT
RESETn
Name
Pin
lists the configuration pins.
ICS1893CK-40 Data Sheet - Release
Number
Pin
10
34
33
13
9
Output
Output
Output
Type
Input
Input
Pin
Copyright © 2009, Integrated Device Technology, Inc.
10M Transmit Current Set Resistor.
100M Transmit Current Set Resistor.
(Frequency) Reference Input.
This pin is connected to a 25-MHz oscillator. For a tolerance, see
Section 9.5.1, “Timing for Clock Reference In (REF_IN)
(Frequency) Reference Output.
This pin is used with a crystal.
(System) Reset (Active Low).
•
•
•
•
•
•
A resistor, connected between this pin and ground, is required to
establish the value of the transmit current used in 10Base-T mode.
The value and tolerance of this resistor is specified in
“Recommended Component Values
A resistor, connected between this pin and ground, is required to
establish the value of the transmit current used in 100Base-TX
mode.
The value and tolerance of this resistor is specified in
“Recommended Component Values
When the signal on this active-low pin is logic:
– Low, the ICS1893CK-40 is in hardware reset.
– High, the ICS1893CK-40 is operational.
For more information on hardware resets, see the following:
–
–
Section 4.1.2.1, “Hardware Reset”
Section 9.5.16, “Reset: Hardware Reset and Power-Down”
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90
Chapter 8 Pin Diagram, Listings, and Descriptions
Pin Description
*”.
*”.
Pin”.
Section 9.3,
Section 9.3,
June 2009
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