1893BKLFT IDT, 1893BKLFT Datasheet - Page 100
1893BKLFT
Manufacturer Part Number
1893BKLFT
Description
Ethernet ICs 3.3V 10/100 BASE TX INTEGRATED PHYCEIVER
Manufacturer
IDT
Datasheet
1.1893BKLF.pdf
(133 pages)
Specifications of 1893BKLFT
Rohs
yes
Part # Aliases
ICS1893BKLFT
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ICS1893BF, Rev. F, 5/13/10
Table 8-7. MAC Interface Pins: Media Independent Interface (MII) (Continued)
TXD0
TXD1
TXD2
TXD3
TXEN
Name
Pin
ICS1893BF Data Sheet - Release
Number
Pin
39
40
41
42
38
Type
Input
Input
Pin
Transmit Data 0–3.
Transmit Enable.
In MII mode:
•
•
•
•
the MII transmit data nibble received from the MAC.
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.
available for transmission. When TXEN is asserted, the ICS1893BF
begins sampling the data nibbles on the transmit data lines TXD[3:0]
synchronously with TXCLK. The ICS1893BF then transmits this data
over the media.
transmission of nibbles over the media.
TXD0 is the least-significant bit and TXD3 is the most-significant bit of
The ICS1893BF samples its TXEN signal to determine when data is
The ICS1893BF samples its TXEN signal to determine when data is
Following the de-assertion of TXEN, the ICS1893BF terminates
Copyright © 2009, IDT, Inc.
All rights reserved.
100
Chapter 8 Pin Diagram, Listings, and Descriptions
Pin Description
May, 2010
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