1893CY-10LF IDT, 1893CY-10LF Datasheet - Page 91
1893CY-10LF
Manufacturer Part Number
1893CY-10LF
Description
Ethernet ICs 3.3V 10/100 BASE TX INTEGRATED PHYCEIVER
Manufacturer
IDT
Datasheet
1.1893CFLF.pdf
(121 pages)
Specifications of 1893CY-10LF
Rohs
yes
Part # Aliases
ICS1893CY-10LF
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8.2.4 MAC Interface Pins
8.2.4.1 MAC Interface Pins for Media Independent Interface
ICS1893CK-40, Rev. C, 06/02/09
This section lists pin descriptions for each of the following interfaces
•
Table 8-7
Table 8-7. MAC Interface Pins: Media Independent Interface (MII)
MDC
MDIO
Name
Section 8.2.4.1, “MAC Interface Pins for Media Independent Interface”
Pin
ICS1893CK-40 Data Sheet Rev. C - Release
lists the MAC Interface pin descriptions for the MII.
Number
Pin
17
16
Output
Input/
Type
Input
Pin
Copyright © 2009, Integrated Device Technology, Inc.
Management Data Clock.
The ICS1893CK-40 uses the signal on the MDC pin to synchronize the
transfer of management information between the ICS1893CK-40 and the
Station Management Entity (STA), using the serial MDIO data line. The
MDC signal is sourced by the STA.
Management Data Input/Output.
The signal on this pin can be tri-stated and can be driven by one of the
following:
All transfers and sampling are synchronous with the signal on the MDC
pin.
Note: If the ICS1893CK-40 is to be used in an application that uses the
•
•
A Station Management Entity (STA), to transfer command and data
information to the registers of the ICS1893CK-40.
The ICS1893CK-40, to transfer status information.
mechanical MII specification, MDIO must have a 1.5 kΩ ±5%
pull-up resistor at the ICS1893CK-40 end and a 2 kΩ ±5%
pull-down resistor at the station management end. (These resistors
enable the station management to determine if the connection is
intact.)
All rights reserved.
91
Chapter 8 Pin Diagram, Listings, and Descriptions
Pin Description
June 2009
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