ICS1893CFIT datasheet(93/126 Pages) ICST

tên linh kiện	ICS1893CFIT

Giải thích chi tiết về linh kiện	3.3-V 10Base-T/100Base-TX Integrated PHYceive

PDF	126 Pages

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nhà sản xuất	ICST [Integrated Circuit Systems]

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93 / 126 page

Chapter 8 Pin Diagram, Listings, and Descriptions

ICS1893CF, Rev. F, 03/01/07

Mar. 2007

ICS1893CF Data Sheet Rev. F - Release

TXD0

TXD1

TXD2

TXD3

Input

Transmit Data 0–3.

• 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.

TXEN

Input

Transmit Enable.

In MII mode:

• 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.

Table 8-7. MAC Interface Pins: Media Independent Interface (MII) (Continued)

Name

Number

Type

Pin Description

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