ICS1893CF datasheet(87/126 Pages) ICST

87 / 126 page

Chapter 8 Pin Diagram, Listings, and Descriptions

ICS1893CF, Rev. F, 03/01/07

Mar. 2007

ICS1893CF Data Sheet Rev. F - Release

P2LI

Input or

Output

PHY (Address Bit) 2 / Link Integrity LED.

For more information on this pin, see Section 5.5, “Status Interface”.

• This multi-function configuration pin is:

– An input pin during either a power-on reset or a hardware reset. In

this case, this pin configures the address of the ICS1893CF PHY

Address Bit 2.

– An output pin following reset. In this case, this pin provides link status

for the ICS1893CF.

As an input pin:

• This pins establishes the address for the ICS1893CF. When the signal

on this pin is logic:

– Low, that address bit is set to logic zero.

– High, that address bit is set to logic one.

As an output pin:

• When the signal on this pin is:

– De-asserted, this state indicates the ICS1893CF does not have a

link.

– Asserted, this state indicates the ICS1893CF has a valid link.

Caution:

This pin must not float. (See the notes at Section 8.2.2,

“Multi-Function (Multiplexed) Pins: PHY Address and LED

Pins”.)

P3TD

Input or

Output

PHY (Address Bit) 3 / Transmit Data LED.

For more information on this pin, see Section 5.5, “Status Interface”.

• These multi-function configuration pins are:

– Input pins during either a power-on reset or a hardware reset. In this

case, these pins configure the address of the ICS1893CF PHY

Address Bit 3.

– Output pins following reset. In this case, this pin provides indication

of Transmit activity.

As an input pin:

• This pin establishes the address for the ICS1893CF. When the signal

on one of these pins is logic:

– Low, that address bit is set to logic zero.

– High, that address bit is set to logic one.

As an output pin:

• When the signal on this pin is:

– De-asserted, this state indicates the ICS1893CF does not have

Transmit activity.

– Asserted, this state indicates the ICS1893CF has Transmit activity.

Caution:

This pin must not float. (See the notes at Section 8.2.2,

“Multi-Function (Multiplexed) Pins: PHY Address and LED

Pins”.)

Table 8-5. PHY Address and LED Pins

Name

Number

Type

Pin Description

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