ICS1893CK ICST [Integrated Circuit Systems], ICS1893CK Datasheet - Page 93
ICS1893CK
Manufacturer Part Number
ICS1893CK
Description
3.3-V 10Base-T/100Base-TX Integrated PHYceive
Manufacturer
ICST [Integrated Circuit Systems]
Datasheet
1.ICS1893CK.pdf
(126 pages)
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ICS1893CF, Rev. F, 03/01/07
Table 8-7. MAC Interface Pins: Media Independent Interface (MII) (Continued)
TXD0
TXD1
TXD2
TXD3
TXEN
Name
Pin
ICS1893CF Data Sheet Rev. F - Release
Number
Pin
39
40
41
42
38
Type
Input
Input
Pin
Copyright © 2007, Integrated Device Technology, Inc.
Transmit Data 0–3.
Transmit Enable.
In MII mode:
•
•
•
•
TXD0 is the least-significant bit and TXD3 is the most-significant bit of
the MII transmit data nibble received from the MAC.
The ICS1893CF samples its TXEN signal to determine when data is
available for transmission. When TXEN is asserted, the signals on a
the TXD[3:0] pins are sampled synchronously on the rising edges of
the TXCLK signal.
The ICS1893CF samples its TXEN signal to determine when data is
available for transmission. When TXEN is asserted, the ICS1893CF
begins sampling the data nibbles on the transmit data lines TXD[3:0]
synchronously with TXCLK. The ICS1893CF then transmits this data
over the media.
Following the de-assertion of TXEN, the ICS1893CF terminates
transmission of nibbles over the media.
All rights reserved.
93
Chapter 8 Pin Diagram, Listings, and Descriptions
Pin Description
Mar. 2007
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