IDT1893CFLFT IDT, Integrated Device Technology Inc, IDT1893CFLFT Datasheet - Page 93

• Manufacturer Part Number: IDT1893CFLFT
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT1893CFLFT

• Lead Free Status / RoHS Status: Compliant

ICS1893CF, Rev. J, 08/11/09
Table 8-7. MAC Interface Pins: Media Independent Interface (MII) (Continued)
TXD0
TXD1
TXD2
TXD3
TXEN
Name
Pin
ICS1893CF Data Sheet Rev. J - Release
Number
Pin
39
40
41
42
38
Type
Input
Input
Pin
Copyright © 2009, Integrated Device Technology, Inc.
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 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.
transmission of nibbles over the media.
TXD0 is the least-significant bit and TXD3 is the most-significant bit of
The ICS1893CF samples its TXEN signal to determine when data is
The ICS1893CF samples its TXEN signal to determine when data is
Following the de-assertion of TXEN, the ICS1893CF terminates
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93
Chapter 8 Pin Diagram, Listings, and Descriptions
Pin Description
August, 2009